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Alphonsus

♂ Boy

Pronounced al-FON-sus /ælˈfɒn.səs/High

Meaning: A Latinized form of Alphonse/Alfonso — from the Germanic, 'noble and ready/eager' (adal, 'noble', + funs, 'ready/eager')Low

In 30 seconds: Noble and ready: Alphonsus is a form of Alphonse. Stately, classic, and warm.

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Origin LowGermanic

MeaningA Latinized form of Alphonse/Alfonso — from the Germanic, 'noble and ready/eager' (adal, 'noble', + funs, 'ready/eager')

U.S. rank (2025)#9767 ↘ Falling

2025 U.S. births7 boys (0.00% of U.S. boys)

Peak year1917

Total births (all-time)≈ 454

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Alphonsus is a Latinized form of Alphonse/Alfonso — from the Germanic, 'noble and ready/eager' (adal, 'noble', + funs, 'ready/eager'). A stately, classic name (said 'al-FON-sus'; borne by St. Alphonsus Liguori).

In the U.S. it appears in Irish-Catholic and Nigerian families. Rare, noble-and-ready at the root, and classic.

Did you know? Alphonse/Alfonso joins the Germanic adal, 'noble', and funs, 'ready/eager', hence 'noble and ready' — Alphonsus is the Latinized form, stately and classic (said 'al-FON-sus').

Overall data confidence 42%

References — Alphonsus — Latinized form of Alphonse

Variations

AlphonseAlfonsoAlphons

Nicknames

Alph

Famous Bearers

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If you like Alphonsus…

Alfonso— a kin form

Alphonse— the French form

Augustus— a sound-neighbor -us classical boys' name

Ignatius— a fellow -us saint's name

Explore names like Alphonsus

By themeclassic germanic

By meaningRoyal / Noble

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Frequently Asked

What does the name Alphonsus mean?

Alphonsus is a Latinized form of Alphonse/Alfonso — Germanic 'noble and ready/eager'.

How do you pronounce Alphonsus?

It's said al-FON-sus /ælˈfɒn.səs/ — three syllables, stress on the second.

Is Alphonsus a boy or girl name?

Alphonsus is a boy's name.

How popular is Alphonsus?

Alphonsus is a very rare name in the U.S.