MallowbyNames

Finleigh

FIN-lee · Of uncertain origin; likely a modern variant of Finley, possibly derived from the Irish surname Ó Fionnlagh meaning 'fair warrior' or 'fair hero'.

2025 rank (girls)
#4,546
Babies named in 2025
30
Peak popularity
2015
2025 frequency
1 in 53,576 girls
Usually for
Girls
Trend
Declining since 2018

Declining since 2018, #4,546 for girls today.

Popularity of Finleigh since 2005

Babies named Finleigh per year in U.S. Social Security records.

377311020102020Most births 2015Girls
Data table (by decade)
DecadeGirls
2000s62
2010s691
2020s337

Meaning & origin

Finleigh is a modern respelling of the Irish-derived name Finley, itself from the Gaelic Ó Fionnlagh. First recorded in the US in 2005, it saw a brief rise in popularity, peaking at position 4,546 in 2015 before entering a decline since 2018. As of 2025, it remains a rare choice, with roughly 1 in 53,576 girls receiving the name. Its sound-alike variants like Finley and Finlee have been more common, but the distinctive '-leigh' ending aligns with trends in other contemporary girl names. While its etymology is connected to the Gaelic elements for 'fair warrior', the name's modern form and usage are distinctly American, reflecting a pattern of creating unique spellings for existing names.

Finleigh is a modern respelling of the Irish surname Finley, which itself derives from the Gaelic Ó Fionnlagh, meaning 'descendant of Fionnlagh'. The personal name Fionnlagh is composed of the elements 'finn', meaning 'fair' or 'white', and 'laogh', meaning 'warrior' or 'hero'. The spelling variant Finleigh emerged in the early 2000s, likely influenced by the popular 'leigh' suffix for girls' names. It has been used primarily in the United States.

Nicknames & variants

Nicknames: Finn, Leigh, Fin

Variants: Finley, Finlee, Finlay, Fionnlagh

Sibling names for Finleigh

Names that share Finleigh's style, for a brother or sister.

Sisters: Avery, Harper, Keira, Piper, Quinn

Brothers: Mason, Liam, Logan, Owen, Carter

A parent animal hugging its little one, the personalized name page

F is for Finleigh, our favorite little girl.

F is for Finleigh…”

In a Mallowby alphabet book, Finleigh's letter becomes Finleigh's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Finleigh's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What is the meaning of the name Finleigh?
Finleigh is likely a modern variant of Finley, which may derive from the Irish surname Ó Fionnlagh meaning 'fair warrior' or 'fair hero'. However, as a modern respelling, its meaning is not definitive.
How popular is the name Finleigh?
Finleigh is a rare name in the United States. In 2025, it ranked 4,546 with approximately 1 in 53,576 girls given the name. Its peak popularity was in 2015, and it has been declining in use since 2018.
Is Finleigh a boy or girl name?
Finleigh is primarily used as a girl's name. While the root name Finley is unisex in the US, Finleigh is almost exclusively given to girls.