The first name Oona

In 2025, 20 girls were named Oona, making it the 1,512th most popular girls’ name. It peaked in 2021, with 38 births (#918).

Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Oona with other names.

In 2025, 62 girls born in the United States were named Oona, the 2,768th most popular girls’ name that year. It was used most in 2015, when 131 were.

US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.

• Oona O'Neill
  American-British actress (1925–1991)
• Oona Laurence
  American actress, born 2002
• Oona King
  British politician (born 1967)
• Oona Sevenius
  Finnish association football player, born 2004
• Oona Siren
  Finnish association football player, born 2001
• Oona Kauste
  Finnish female curler and coach, born 1988

• Orla
• Maeve
• Kennedy
• Keira
• Caitlin
• Kiara
• Kathleen
• Kaitlyn
• Aoife
• Katelyn
• Tara
• Nola
• Caitlyn
• Eileen
• Ciara
• Bridget

All 142 names of Irish origin

What does the name Oona mean?

Borrowed from Irish Úna; doublet of Una.

What is the origin of the name Oona?

Borrowed from Irish Úna; doublet of Una.

How popular is the name Oona?

In 2025, 20 girls born in England and Wales were named Oona, ranking 1,512th. Its peak was 2021, with 38 births.

Is Oona a boy's or a girl's name?

Mostly a girl's name: 100% of the 1,776 US babies named Oona since 1880 were girls.

When was Oona most popular?

2015 in the United States, when 131 babies were named Oona, its highest rank at 1,639th.