Pius

♂ Boy

Pronounced PY-us /ˈpaɪ.əs/Medium

Meaning: From the Latin pius, 'pious; dutiful; devout.' Borne by many popes (Pius I through Pius XII) — a name of devotion. We note the papal use.Low

In 30 seconds: A Latin name: Pius means 'pious; dutiful' (said 'PY-us') — a papal name. Devout and grave.

💕 Browse more names

Origin MediumLatin

MeaningFrom the Latin pius, 'pious; dutiful; devout.' Borne by many popes (Pius I through Pius XII) — a name of devotion. We note the papal use.

U.S. rank (2025)#8081 ↗ Rising

2025 U.S. births10 boys (0.00% of U.S. boys)

Peak year1927

Total births (all-time)≈ 476

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

Pius is Latin for 'pious; dutiful,' famous as a papal name (Pius I to Pius XII). A grave, devout classical name, which we note. Rare in the U.S. (said 'PY-us').

It appears rarely in the U.S., mostly in Catholic families. Rare, devout, and classical.

Did you know? Pius is Latin for 'pious; dutiful; devout,' borne by a long line of popes — a name of quiet devotion, which we note (said 'PY-us').

Overall data confidence 53%

References — Pius — Latin 'pious; dutiful'; papal name noted

Variations

PioPiusPiusz

Nicknames

PiPip

Famous Bearers

Famous bearers coming soon.

If you like Pius…

Cassius— a like classical -us boy's name

Silas— a like devout classic pick

Augustus— a like Latin -us name

Linus— a like early-saint name

Explore names like Pius

By themelatin virtue classical papal

All themes →All meanings →All origins →

Frequently Asked

What does the name Pius mean?

Pius is Latin for 'pious; dutiful; devout' — borne by many popes.

How do you pronounce Pius?

It's said PY-us /ˈpaɪ.əs/ — two syllables, stress on the first.

Is Pius a boy or girl name?

Pius is a boy's name.

How popular is Pius?

Pius is rare in the U.S., seen mostly in Catholic families.