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What does Fionn mean?

Fionn Pronunciation of Fionn [fionn] as a name for boys has the meaning "white, fair head". Fionn is a version of Finbar (Irish, Gaelic). Fionn is also a derivative of Finn (Irish, Gaelic, Old German). Fionn is also used as a derivative of Finnian (Irish, Gaelic). See also Fingal.

Associated with: white.


Fionn has 2 variants: Fin and Fynn.

8 more different relations via Finbar, Finn, Finnian: Fiinean, Finan, Finenn, Finian, Finna, Finnen, Fionan and Fionnan.

Creative forms:
(male) Fion, Fioon, ..

(female) Finy, Fiony, ..

Middle name pairings:
Fionn Kareem (F.K.), ..

How popular is Fionn?

Fionn is an uncommon first name for males. Fionn is a unique last name too for all people. (2000 U.S. Census)

Fionn reached its peak rank of #25 in Ireland in 2013, and is currently at #26. (2014 Birth Statistics)

Top 2000 baby names ranking of Fionn name in U.S.

Top 100 baby names ranking of Fionn outside U.S.

Which version is better?

with its source forms and related boy names. Popular related forms of Fionn ranked in the Top 2000 are Finn (#209 the previous year), Finnian (#1142) and Fynn (#1522). Usage of these forms of Fionn was at its most widespread in 2015 (median #1218). Finn is the most fashionable birth name here.

Top 2000 baby names ranking of Finn, Finnian, Fynn in U.S.

Top 100 baby names ranking of Fionn, Finn outside U.S.

Similar Names

Fionn is pronounced similarly to Fain, Faine, Fane and Fenn. Other suggested similar names are Conn, Deonn, Donn, Fiontan, Flann, Flinn, Flynn, Fons, Fonz, Frann, Jonn, Linn, Lonn, Ronn, Shonn, Vonn and Winn. These names tend to be more commonly used than Fionn.

See names
in meaning and etymology.