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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/).

Alive in 2025
22
National rank
#9304

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.

Next name day
28 October
Wednesday in 2026
Next one in 48 days
Also celebrates

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.

People with the name Fidelis 2019 → 2025
22 +1 since 2019
2020 21 0
2021 20 -1
2022 22 +2
2023 18 -4
2024 20 +2
2025 22 +2

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).

As a first name
22
As a middle name
18
first name 55% middle name 45%

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