Íó: a female name of Greek origin meaning "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection".It derives from the Greek word "Io".
Parents seeking a meaningful feminine name often discover Íó, drawn to its Greek heritage and beautiful significance: "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection". This name offers a perfect blend of cultural depth and personal meaning, making it a timeless choice for families around the world.
Quick Facts About Íó
Quick facts about Íó
Origin
Greek
Gender
Girl name
Popularity
Uncommon
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
Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection. His wife Hera sent ever-watchful Argus Panoptes, with 100 eyes, to watch her, but Hermes was sent to distract the guardian and slay him. Heifer Io was loosed to roam the world, stung by a maddening gadfly sent by Hera, and wandered to Egypt, thus placing her descendant Belus in Egypt; his sons Cadmus (Cadmus was also named as a son of Belus' brother Agenor) and Danaus would then "return" to mainland Greece. In the 2010 film Clash of the Titans, Io was portrayed by British actress Gemma Arterton. The meaning of the name is unknown.
Etymology & Details
Name Root
Io
How to Pronounce Íó
Íó is pronounced /iːˈoʊ/(Greek)
Step-by-step pronunciation guide:
Break it into syllables: Íó
Say it like: "EEOOO"
Practice saying it naturally a few times
Usage & Popularity
Íó is predominantly used in czech speaking communities, where it maintains strong cultural connections and traditional significance.
czech
Frequently Asked Questions About Íó
What does the name Íó mean?
Íó means "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection. His wife Hera sent ever-watchful Argus Panoptes, with 100 eyes, to watch her, but Hermes was sent to distract the guardian and slay him. Heifer Io was loosed to roam the world, stung by a maddening gadfly sent by Hera, and wandered to Egypt, thus placing her descendant Belus in Egypt; his sons Cadmus (Cadmus was also named as a son of Belus' brother Agenor) and Danaus would then "return" to mainland Greece. In the 2010 film Clash of the Titans, Io was portrayed by British actress Gemma Arterton. The meaning of the name is unknown.". The name comes from Io. In its original form, the name derives from Io (Ἰώ). This greek name has been passed down through generations, carrying its meaning across different cultures and time periods. Parents who choose Íó for girls often connect with the name's meaning of "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection. His wife Hera sent ever-watchful Argus Panoptes, with 100 eyes, to watch her, but Hermes was sent to distract the guardian and slay him. Heifer Io was loosed to roam the world, stung by a maddening gadfly sent by Hera, and wandered to Egypt, thus placing her descendant Belus in Egypt; his sons Cadmus (Cadmus was also named as a son of Belus' brother Agenor) and Danaus would then "return" to mainland Greece. In the 2010 film Clash of the Titans, Io was portrayed by British actress Gemma Arterton. The meaning of the name is unknown." as a quality they hope to see in their child. Íó 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 GREEK MYTHOLOGY (NYMPH), reflecting its meaning in how people perceive those who carry it.
What is the origin of the name Íó?
Íó is a greek name. The name traces back to Io. The original form Io (Ἰώ) shows the name's roots in its native language. The name remains closely tied to czech naming traditions while occasionally appearing in other cultures. The greek meaning "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection. His wife Hera sent ever-watchful Argus Panoptes, with 100 eyes, to watch her, but Hermes was sent to distract the guardian and slay him. Heifer Io was loosed to roam the world, stung by a maddening gadfly sent by Hera, and wandered to Egypt, thus placing her descendant Belus in Egypt; his sons Cadmus (Cadmus was also named as a son of Belus' brother Agenor) and Danaus would then "return" to mainland Greece. In the 2010 film Clash of the Titans, Io was portrayed by British actress Gemma Arterton. The meaning of the name is unknown." reflects values important in the culture where this name first appeared.
Is Íó a boy or girl name?
Íó is a girl's name. This traditionally feminine name has been chosen by parents for daughters across many cultures and time periods. In greek tradition, Íó has historically been given to girls. The meaning "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection. His wife Hera sent ever-watchful Argus Panoptes, with 100 eyes, to watch her, but Hermes was sent to distract the guardian and slay him. Heifer Io was loosed to roam the world, stung by a maddening gadfly sent by Hera, and wandered to Egypt, thus placing her descendant Belus in Egypt; his sons Cadmus (Cadmus was also named as a son of Belus' brother Agenor) and Danaus would then "return" to mainland Greece. In the 2010 film Clash of the Titans, Io was portrayed by British actress Gemma Arterton. The meaning of the name is unknown." carries well for a daughter, giving the name lasting appeal.
How do you pronounce Íó?
Íó is pronounced "/iːˈoʊ/". This pronunciation follows el language patterns. As a single-syllable name, Íó is quick to say and easy to call out. If you're unfamiliar with greek names, listening to a native speaker say Íó can help you catch the right rhythm and emphasis. The name's root Io influences how Íó sounds in its original language.
How popular is the name Íó?
Íó is less common but not rare. As a less common choice, Íó gives a child a name that stands out. Most people will encounter it rarely, making it memorable when they do. Íó's popularity may vary between greek communities and the broader population, where naming trends differ. The name's meaning of "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection. His wife Hera sent ever-watchful Argus Panoptes, with 100 eyes, to watch her, but Hermes was sent to distract the guardian and slay him. Heifer Io was loosed to roam the world, stung by a maddening gadfly sent by Hera, and wandered to Egypt, thus placing her descendant Belus in Egypt; his sons Cadmus (Cadmus was also named as a son of Belus' brother Agenor) and Danaus would then "return" to mainland Greece. In the 2010 film Clash of the Titans, Io was portrayed by British actress Gemma Arterton. The meaning of the name is unknown." likely influences its appeal, as parents often choose names that express values or hopes for their children. Among girls' names, Íó holds its own, appealing to parents who value distinctive options.
Where is the name Íó commonly used?
Íó is used primarily in czech naming traditions. Though greek in origin, Íó found a home in other cultures where it resonated with local naming preferences. The meaning "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection. His wife Hera sent ever-watchful Argus Panoptes, with 100 eyes, to watch her, but Hermes was sent to distract the guardian and slay him. Heifer Io was loosed to roam the world, stung by a maddening gadfly sent by Hera, and wandered to Egypt, thus placing her descendant Belus in Egypt; his sons Cadmus (Cadmus was also named as a son of Belus' brother Agenor) and Danaus would then "return" to mainland Greece. In the 2010 film Clash of the Titans, Io was portrayed by British actress Gemma Arterton. The meaning of the name is unknown." carries universal appeal, helping explain why different cultures adopted Íó into their naming traditions. A child named Íó 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, Íó is given to girls, maintaining consistent gender association.
What is the cultural significance of Íó?
Íó carries associations with GREEK MYTHOLOGY (NYMPH). These qualities shape how people perceive the name and those who carry it, creating expectations and first impressions. The name's meaning of "Io (Ancient Greek: Ἰώ) was, in Greek mythology, a priestess of Hera in Argos, a nymph who was seduced by Zeus, who changed her into a heifer to escape detection. His wife Hera sent ever-watchful Argus Panoptes, with 100 eyes, to watch her, but Hermes was sent to distract the guardian and slay him. Heifer Io was loosed to roam the world, stung by a maddening gadfly sent by Hera, and wandered to Egypt, thus placing her descendant Belus in Egypt; his sons Cadmus (Cadmus was also named as a son of Belus' brother Agenor) and Danaus would then "return" to mainland Greece. In the 2010 film Clash of the Titans, Io was portrayed by British actress Gemma Arterton. The meaning of the name is unknown." reinforces these associations, connecting the literal translation to the character traits people expect. In greek culture, where Íó 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 Íó sets certain expectations. Parents choosing Íó often connect with one or more of these associations, selecting the name because it represents qualities they value or wish for their child. In czech 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.