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Antonius
Pronounced an-TOH-nee-us /ænˈtoʊ.ni.əs/Medium
Meaning: The Latin form of Anthony — from the Roman family name Antonius, of uncertain meaning, later linked to 'priceless; praiseworthy; flourishing'Low
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
Antonius is the Latin form of Anthony — from the Roman family name Antonius, of uncertain meaning, later linked to 'priceless; praiseworthy; flourishing' (Marcus Antonius, Mark Antony). A lyrical, classic name (said 'an-TOH-nee-us'; nickname Tony).
In the U.S. it appears as a classical name. Rare, priceless-and-praiseworthy at the root, and classic.
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Frequently Asked
What does the name Antonius mean?
Antonius is the Latin form of Anthony — from Antonius, later linked to 'priceless; praiseworthy'.
How do you pronounce Antonius?
It's said an-TOH-nee-us /ænˈtoʊ.ni.əs/ — four syllables, stress on the second.
Is Antonius a boy or girl name?
Antonius is a boy's name.
How popular is Antonius?
Antonius is a rare name in the U.S.