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What does Fidelio mean?

Fidelio Pronunciation of Fidelio as a boys' name is a Latin name, and the name Fidelio means "faithful". Fidelio is an alternate form of Fidel (Latin): from the Latin names Fidelis.

ASSOCIATED WITH -io, faithful


VARIANTS Fidelo, Fidello, Fidalio, Fedelio, Fadelio

OTHER FORMS VIA FIDEL Fedele, Fidal, Fidele, Fidelis, Fidelix, Fido



Fidelio Mickey (F.M.), ..

How popular is Fidelio?

Fidelio is an uncommonly occurring given name for men. Fidelio is an unusual last name too for both adults and children. (2000 U.S. CENSUS)

Which version is better?

Fidel (#1643 IN RECENT RANKINGS) is the only popular related form of Fidelio (OUTSIDE TOP 2000) rated in the Top 2000. Adoption of this form of Fidelio reached its apex 14 years ago (ADOPTION OF 0.01%) and is somewhat less today (ADOPTION 0.01%, DOWN 49%). (2015 U.S. SSA RECORDS)

Top 2000 baby names ranking of Fidel in U.S.

Top 100 baby names ranking of Fidelio and related baby names outside U.S.

Similar Names

Suggested similar-sounding names are Adulio, Amelio, Arcelio, Aricelio, Aurelio, Celio, Cirilio, Emelio, Federico, Federigo, Feidhlim, Felic, Felim, Felipo, Felix, Field, Filip, Fillip, Findlie (see Finlay), Finlie, Finnlie, Fiorello, Gedalio (see Gedaliah), Giulio, Liberio, Lidio, Milesio, Odilio, Rogelio, Sidonio, Undeio (see Indio) and Videlio. These names tend to be more commonly used than Fidelio.

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in meaning and etymology.