Fionnlagh
Boy nameFionnlagh has been given to 6 babies in the U.S. since 2016. It peaked in 2016.
Popularity over time births per year, 1880–2025
Total babies
6
Peak year
2016 (6 babies)
Rank in 2025
Below top 1000
First recorded
2016
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Fionnlagh.
Sibling name ideas for Fionnlagh
Same era and popularity as Fionnlagh, avoiding matching initials or rhymes.
FAQ
How popular is the name Fionnlagh?
Fionnlagh has been given to 6 babies in the U.S. since 2016. It ranked below the top 1000 in 2025.
When did the name Fionnlagh peak?
Fionnlagh peaked in 2016, when 6 babies were given the name.
Is Fionnlagh a girl or boy name?
Fionnlagh is primarily a boy name (100% of babies named Fionnlagh are boys).
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