Finnegan

What Finnegan means

Means “descendant of Fionnagán”

Borrowed from Irish Ó Fionnagáin (“descendant of Fionnagán”).

Source: Wiktionary, “Finnegan” (revision 89621276), CC BY-SA 4.0. Quoted from the etymology; we don’t write our own.

How popular is Finnegan?

US: Falling: down from #405 in 2015. England & Wales: Rising: up from #3004 in 2015.

Biggest US share so far: 2021, when 860 boys got the name (#378 that year). First in the US records in 1995.

How common

• About 1 in 3,002 baby boys in the US in 2025
• About 1 in 33,992 baby boys in England and Wales in 2025

“1 in N” divides by all listed births for that sex. The US list leaves out names given to fewer than 5 babies, and the UK lists leave out names given to 2 or fewer, so the real figure is a little rarer than shown.

Where in the US

Most popular in NH (3.33 per 1,000 boys), ME (2.86 per 1,000 boys), SD (1.3 per 1,000 boys) in 2025.

SSA state data, 2025. Share of all listed boys born in each state.

US vs UK

Finnegan is #526 in the US and #2664 in England & Wales (2025).

Same sex as this page (boys). SSA (US), ONS (England and Wales), NRS (Scotland).

Boy or girl?

In 2025, 99.0% of US babies named Finnegan were boys.

Counts below the publishing threshold (US 5, UK 3) are not included.

Other spellings

Other spellings parents chose in 2025

• Finnigan50 US

Names that sound the same and differ by a letter or two, with baby counts for the same sex. US and E&W counts.

If you like Finnegan

Boys

• Jax#342Editor’s note First shows up in US records in 1995, with 5 babies
• Carter#45“son of Arthur”^*
• Maddox#209Editor’s note Down from #148 in 2015 to #209 in 2025 in the US
• Cooper#27Editor’s note Climbing fast in the US: #77 in 2015, #27 in 2025
• Crew#256“weir”^*
• Camden#205“enclosure + valley”^*

For a sister

• Brynlee#243Editor’s note First shows up in US records in 1995, with 5 babies
• Rylee#137Variant of Riley, meaning “rye + clearing, meadow”^*
• Raegan#505Editor’s note First shows up in US records in 1963, with 9 babies
• Riley#48“rye + clearing, meadow”^*
• Karsyn#718Editor’s note Used for both: 70% of US babies named Karsyn in 2025 were girls
• Avery#37Editor’s note Used for both: 82% of US babies named Avery in 2025 were girls

Picked from the US top 1,000 in 2025: names Wiktionary also files under From a surname, whose US popularity since 1990 rose and fell most like Finnegan’s. Rank is US 2025.