Fidelis
Straight from Latin: Fidelis means "faithful, loyal". Only about 22 men in Poland carry it and no boys have been given it in years, so meeting one would stay with you.
Fidelis Pronunciation
Fidelis is pronounced fee-DE-lees (/fiˈdɛlis/).
What Fidelis means
Where Fidelis comes from and what it has meant to the people who carry it.
Fidelis comes straight from Latin, where fidelis meant faithful, loyal. The root is fides, meaning trust and good faith. English borrowed the same root for words like fidelity. The Polish gloss is wierny.
The name found its clearest bearer in Fidelis of Sigmaringen, a Capuchin friar killed in 1622 and later canonized. He preached in the Swiss Grisons and died there. His feast falls on 24 April.
Lwów carried the motto Semper Fidelis, always faithful, on its coat of arms. The word travels well because its meaning is plain. To be named Fidelis is to be named after loyalty itself.
On a Polish urząd form the name looks unusual today. It stays rare. The sense holds firm: fidelis, wierny, faithful.
When Fidelis celebrates name day
Fidelis appears 3 times in the Polish name day calendar, never as a main name. The first of these dates is 24 April.
Rarer dates. Only the most complete calendars add this name on these days. Most skip them, so hardly anyone celebrates then.
How many people are named Fidelis
1 in 970281 men in Poland is named Fidelis. 22 people carry it in the 2025 register: rank #9304 among male names.
Fidelis as a middle name
Fidelis is a first name for 22 men in Poland and a middle name for another 18, a 55/45 split, almost evenly. In the men's middle-name ranking it sits 2125th, between Fabrizio (18) and Fredrick (18).
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#2123 Dávid18
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#2124 Fabrizio18
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#2125 Fidelis18
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#2126 Fredrick18
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#2127 Gaetano18