MallowbyNames

Fynn

FIN · Of uncertain origin; possibly a variant of Finn, meaning "fair" or "white" in Irish, or a short form of Irish Fionn.

2025 rank (boys)
#2,183
Babies named in 2025
65
Peak popularity
2022
2025 frequency
1 in 26,278 boys
Usually for
Boys
Trend
Declining since 2021

Declining since 2021, #2,183 for boys today.

Popularity of Fynn since 2000

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

3979118200020102020Most births 2022GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
2000s0197
2010s78834
2020s11569

Meaning & origin

Fynn first appeared in U.S. records in 2000 and climbed to a peak rank of 2,183 in 2022, its most popular year. Since 2021, its trajectory has been falling, reflecting a slight decline after a short period of growth. The name is most common in Kansas and Pennsylvania. Though its origins are debated, Fynn is widely seen as a modern, streamlined variant of Finn, offering a distinctive spelling while retaining the crisp, one-syllable sound. Its modest rank and recent emergence make it a less common alternative to the more popular Finn, appealing to parents seeking a name that feels both contemporary and rooted in tradition.

Fynn is a modern spelling variant of Finn, which derives from the Irish name Fionn, meaning "fair" or "white." In Irish mythology, Fionn mac Cumhaill was a legendary warrior. The name also appears in German as a short form of names beginning with Finn- (e.g., Finnegan) or as a given name in its own right. Fynn gained popularity in the late 20th century, particularly in German-speaking countries and the United Kingdom.

Where Fynn is most popular

Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.

Fynn” around the world

Where Fynn lands in the latest official birth statistics abroad, matched to the U.S. spelling.

  • France

    5

    babies in 2024

Sources: INSEE (France).

Nicknames & variants

Variants: Finn, Fionn, Fynnley

Sibling names for Fynn

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

Sisters: Lena, Mia, Nora, Emma, Lily

Brothers: Finn, Liam, Noah, Ethan, Owen

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

F is for Fynn, our favorite little boy.

F is for Fynn…”

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

Make Fynn's book

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

Questions parents ask

What does Fynn mean?
The meaning of Fynn is uncertain. It is often considered a variant of Finn, which may derive from Irish Fionn meaning "fair" or "white."
How popular is Fynn right now?
As of the most recent data (2025), Fynn ranked 2,183 in the United States, with approximately 1 in 26,278 baby boys given the name.
Is Fynn a boy or girl name?
Fynn is predominantly a boy's name, though it is occasionally used for girls.