Theodosius

Boy Name
Origin:greek
Pronunciation:/ˌθiː.əˈdoʊ.ʃəs/

Theodosius: a male name of Greek origin meaning "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow)". It derives from the Greek word "theós ‎dídōmi / dósis > Theodósios".

Theodosius has maintained its appeal as a masculine name in modern times while preserving its Greek roots. Today, parents are drawn to its meaningful essence of "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow)" and its cultural richness. This name bridges traditional heritage with contemporary naming trends.

Quick Facts About Theodosius

Quick facts about Theodosius
OriginGreek
GenderBoy name
PopularityUncommon

Researched by Name Doctor Linguistics Team

Our names are verified by professional linguists with expertise in etymology and cultural naming traditions.

Last reviewed: November 2025

Meaning

This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow). In turn, the name means “giving to God, the gift of God.” 1) Saint Theodosius of Pechersk, also known as Theodosius of Kiev (~1029–1074), brought monasticism in Ukraine, and he founded with Saint Anthony of Pechersk the monastery of the caves. It is revered by the Russian Orthodox Church that celebrates the liturgical commemoration on May 3, for the Catholic Church’s feast day is celebrated on May 10. 2) Saint Theodosia of Constantinople, an Eastern Orthodox and Roman Catholic Saint and martyr who lived in the 7th and 8th-centuries. Theodosia was a nun living at a monastery in Constantinople. On January 19, 729, at the beginning of the iconoclastic persecutions, the emperor Leo III the Isaurian ordered that an icon of Christ, which stood over the Chalke Gate of the imperial palace, be removed.

Etymology & Details

Name Root

theós ‎dídōmi / dósis > Theodósios

How to Pronounce Theodosius

Theodosius is pronounced /ˌθiː.əˈdoʊ.ʃəs/(Greek)

Step-by-step pronunciation guide:

  1. Break it into syllables: Theod-os-ius
  2. Say it like: "THEOD-OS-IUS"
  3. Practice saying it naturally a few times

Usage & Popularity

This name has found popularity across ancient Greek (Latinized), and swedish speaking regions, demonstrating its cross-cultural appeal and adaptability.

ancient Greek (Latinized)swedish
Frequently Asked Questions About Theodosius
What does the name Theodosius mean?
Theodosius means "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow). In turn, the name means “giving to God, the gift of God.” 1) Saint Theodosius of Pechersk, also known as Theodosius of Kiev (~1029–1074), brought monasticism in Ukraine, and he founded with Saint Anthony of Pechersk the monastery of the caves. It is revered by the Russian Orthodox Church that celebrates the liturgical commemoration on May 3, for the Catholic Church’s feast day is celebrated on May 10. 2) Saint Theodosia of Constantinople, an Eastern Orthodox and Roman Catholic Saint and martyr who lived in the 7th and 8th-centuries. Theodosia was a nun living at a monastery in Constantinople. On January 19, 729, at the beginning of the iconoclastic persecutions, the emperor Leo III the Isaurian ordered that an icon of Christ, which stood over the Chalke Gate of the imperial palace, be removed.". The name comes from theós ‎dídōmi / dósis > Theodósios. In its original form, the name derives from theós ‎(θεός) (dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς) Theodósios (Θεοδόσιος). This greek name has been passed down through generations, carrying its meaning across different cultures and time periods. Parents who choose Theodosius for boys often connect with the name's meaning of "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow). In turn, the name means “giving to God, the gift of God.” 1) Saint Theodosius of Pechersk, also known as Theodosius of Kiev (~1029–1074), brought monasticism in Ukraine, and he founded with Saint Anthony of Pechersk the monastery of the caves. It is revered by the Russian Orthodox Church that celebrates the liturgical commemoration on May 3, for the Catholic Church’s feast day is celebrated on May 10. 2) Saint Theodosia of Constantinople, an Eastern Orthodox and Roman Catholic Saint and martyr who lived in the 7th and 8th-centuries. Theodosia was a nun living at a monastery in Constantinople. On January 19, 729, at the beginning of the iconoclastic persecutions, the emperor Leo III the Isaurian ordered that an icon of Christ, which stood over the Chalke Gate of the imperial palace, be removed." as a quality they hope to see in their child. Theodosius offers a distinctive option for parents who want a name with clear meaning that stands apart from more common choices. The name is associated with qualities like RELIGION (SAINTS), reflecting its meaning in how people perceive those who carry it.
What is the origin of the name Theodosius?
Theodosius is a greek name. The name traces back to theós ‎dídōmi / dósis > Theodósios. The original form theós ‎(θεός) (dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς) Theodósios (Θεοδόσιος) shows the name's roots in its native language. From its greek roots, Theodosius spread to become common in ancient Greek (Latinized), swedish. The greek meaning "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow). In turn, the name means “giving to God, the gift of God.” 1) Saint Theodosius of Pechersk, also known as Theodosius of Kiev (~1029–1074), brought monasticism in Ukraine, and he founded with Saint Anthony of Pechersk the monastery of the caves. It is revered by the Russian Orthodox Church that celebrates the liturgical commemoration on May 3, for the Catholic Church’s feast day is celebrated on May 10. 2) Saint Theodosia of Constantinople, an Eastern Orthodox and Roman Catholic Saint and martyr who lived in the 7th and 8th-centuries. Theodosia was a nun living at a monastery in Constantinople. On January 19, 729, at the beginning of the iconoclastic persecutions, the emperor Leo III the Isaurian ordered that an icon of Christ, which stood over the Chalke Gate of the imperial palace, be removed." reflects values important in the culture where this name first appeared.
Is Theodosius a boy or girl name?
Theodosius is a boy's name. The name has been used for boys across many generations, maintaining its masculine character through different eras and cultures. In greek tradition, Theodosius has historically been given to boys. The meaning "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow). In turn, the name means “giving to God, the gift of God.” 1) Saint Theodosius of Pechersk, also known as Theodosius of Kiev (~1029–1074), brought monasticism in Ukraine, and he founded with Saint Anthony of Pechersk the monastery of the caves. It is revered by the Russian Orthodox Church that celebrates the liturgical commemoration on May 3, for the Catholic Church’s feast day is celebrated on May 10. 2) Saint Theodosia of Constantinople, an Eastern Orthodox and Roman Catholic Saint and martyr who lived in the 7th and 8th-centuries. Theodosia was a nun living at a monastery in Constantinople. On January 19, 729, at the beginning of the iconoclastic persecutions, the emperor Leo III the Isaurian ordered that an icon of Christ, which stood over the Chalke Gate of the imperial palace, be removed." carries well for a son, giving the name lasting appeal.
How do you pronounce Theodosius?
Theodosius is pronounced "/ˌθiː.əˈdoʊ.ʃəs/". This pronunciation follows el language patterns. As a single-syllable name, Theodosius is quick to say and easy to call out. Pronunciation may vary slightly in ancient Greek (Latinized), swedish, where the name is also used. Local accents and language rules can shift certain sounds while keeping the name recognizable. If you're unfamiliar with greek names, listening to a native speaker say Theodosius can help you catch the right rhythm and emphasis. The name's root theós ‎dídōmi / dósis > Theodósios influences how Theodosius sounds in its original language.
How popular is the name Theodosius?
Theodosius is less common but not rare. As a less common choice, Theodosius gives a child a name that stands out. Most people will encounter it rarely, making it memorable when they do. Theodosius's popularity may vary between greek communities and the broader population, where naming trends differ. The name's meaning of "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow). In turn, the name means “giving to God, the gift of God.” 1) Saint Theodosius of Pechersk, also known as Theodosius of Kiev (~1029–1074), brought monasticism in Ukraine, and he founded with Saint Anthony of Pechersk the monastery of the caves. It is revered by the Russian Orthodox Church that celebrates the liturgical commemoration on May 3, for the Catholic Church’s feast day is celebrated on May 10. 2) Saint Theodosia of Constantinople, an Eastern Orthodox and Roman Catholic Saint and martyr who lived in the 7th and 8th-centuries. Theodosia was a nun living at a monastery in Constantinople. On January 19, 729, at the beginning of the iconoclastic persecutions, the emperor Leo III the Isaurian ordered that an icon of Christ, which stood over the Chalke Gate of the imperial palace, be removed." likely influences its appeal, as parents often choose names that express values or hopes for their children. Among boys' names, Theodosius holds its own, appealing to parents who value distinctive options.
Where is the name Theodosius commonly used?
Theodosius is common in ancient Greek (Latinized) and swedish naming traditions. Though greek in origin, Theodosius found a home in other cultures where it resonated with local naming preferences. The meaning "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow). In turn, the name means “giving to God, the gift of God.” 1) Saint Theodosius of Pechersk, also known as Theodosius of Kiev (~1029–1074), brought monasticism in Ukraine, and he founded with Saint Anthony of Pechersk the monastery of the caves. It is revered by the Russian Orthodox Church that celebrates the liturgical commemoration on May 3, for the Catholic Church’s feast day is celebrated on May 10. 2) Saint Theodosia of Constantinople, an Eastern Orthodox and Roman Catholic Saint and martyr who lived in the 7th and 8th-centuries. Theodosia was a nun living at a monastery in Constantinople. On January 19, 729, at the beginning of the iconoclastic persecutions, the emperor Leo III the Isaurian ordered that an icon of Christ, which stood over the Chalke Gate of the imperial palace, be removed." carries universal appeal, helping explain why different cultures adopted Theodosius into their naming traditions. A child named Theodosius will likely find their name recognized in multiple countries, which can be an advantage for families with international connections or who value global accessibility. Across these cultures, Theodosius is given to boys, maintaining consistent gender association.
What is the cultural significance of Theodosius?
Theodosius carries associations with RELIGION (SAINTS). These qualities shape how people perceive the name and those who carry it, creating expectations and first impressions. The name's meaning of "This name derives from the Ancient Greek “Theodósios (Θεοδόσιος),” composed of two elements: “theós ‎(θεός)” (divine, a deity, a god, God) plus “dídōmi ‎(δίδωμι) / dósis ‎(δόσῐς)” (giving, a gift, license, permission, offer, grant, allow). In turn, the name means “giving to God, the gift of God.” 1) Saint Theodosius of Pechersk, also known as Theodosius of Kiev (~1029–1074), brought monasticism in Ukraine, and he founded with Saint Anthony of Pechersk the monastery of the caves. It is revered by the Russian Orthodox Church that celebrates the liturgical commemoration on May 3, for the Catholic Church’s feast day is celebrated on May 10. 2) Saint Theodosia of Constantinople, an Eastern Orthodox and Roman Catholic Saint and martyr who lived in the 7th and 8th-centuries. Theodosia was a nun living at a monastery in Constantinople. On January 19, 729, at the beginning of the iconoclastic persecutions, the emperor Leo III the Isaurian ordered that an icon of Christ, which stood over the Chalke Gate of the imperial palace, be removed." reinforces these associations, connecting the literal translation to the character traits people expect. In greek culture, where Theodosius originates, these qualities held particular value, making the name a way to express hopes for a child's character. Research shows that names do influence perceptions. People form impressions based on names before meeting someone, which means choosing Theodosius sets certain expectations. Parents choosing Theodosius often connect with one or more of these associations, selecting the name because it represents qualities they value or wish for their child. In ancient Greek (Latinized) communities, these associations may carry extra weight, as naming traditions often reinforce cultural values.

Sources: Etymology verified through linguistic research including Oxford Dictionary of First Names, Behind the Name, and academic etymology databases.

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