Oona

Did you know?

A few things about Oona you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

⭐ Famous Oona

Oona Castilla Chaplin

Spanish actress

Choose Oona and your child shares a first name with Oona Castilla Chaplin, a Spanish actress. A ready-made answer when someone asks “Oona, like who?” Oona Castilla Chaplin's Wikipedia article is available in 47 languages, a good sign of just how widely known they are.

Read about Oona Castilla Chaplin on Wikipedia ↗ (opens in a new tab)

Photo: enoxonique (Ruben Olmedo), CC BY 2.0 (opens in a new tab), via Wikimedia Commons

• 👶How commonAbout 1 in every 25,907 baby girls born in the US in 2025 was named Oona, 62 babies in all. In a typical school of 500 kids, your Oona would very likely be the only one.
• 📜HistoryOona first shows up in US birth records in 1942, the first year at least 5 babies got it. It has been in use for 83 years since.
• 🏆Best yearIts best year was 2015, when it reached #1,636.
• 📈Then vs nowOona is 3.7× more common today than it was in 2000. In 2000 it was given to about 1 in 95,238 baby girls; in 2025, about 1 in 25,907.
• 🍂TrendOona has slipped 434 places over the last five years and now sits at #2,751. Good news if you want a familiar name that fewer kids will share.

About the name Oona

Oona is a girl name of Celtic Gaelic, Irish and Latin origin. It has 4 letters and 2 syllables, starting with O and ending in “-ona”. US birth records list Oona for girls from 1942 to 2025, in 62 of those 84 years. Its best year was 2015, when it ranked #1,636 among girl names. In 2025 it ranked #2,751, with 62 babies.

Origin:Celtic Gaelic namesIrish namesLatin names