MallowbyNames

Olegario

oh-leh-GAH-ree-oh · One who is compassionate or merciful; also associated with the saint's name.

2025 rank (boys)
#10,695
Babies named in 2025
6
Peak popularity
1925
2025 frequency
1 in 284,679 boys
Usually for
Boys
Trend
Holding steady

Holding steady, #10,695 for boys today.

Popularity of Olegario since 1921

Babies named Olegario per year in U.S. Social Security records. Raw births topped out in 1981, but relative to how few babies were recorded back then, Olegario's real moment was 1925.

491319602000Most births 1981Boys
Data table (by decade)
DecadeBoys
1920s47
1930s5
1940s12
1950s21
1960s6
1970s65
1980s69
1990s83
2000s82
2010s12
2020s12

Meaning & origin

Olegario is a name of Spanish, Italian, and Portuguese origin, derived from the Late Latin Olearius, itself from the Greek Eleemon, meaning 'compassionate' or 'merciful'. The name is historically associated with Saint Olegarius, a 12th-century bishop of Barcelona. In the United States, Olegario first appeared in Social Security records in 1921, reaching its peak popularity in 1925. By 2025, it ranked 10,695th, with a frequency of 1 in 284,679 boys. The name has remained stable in usage, never achieving widespread popularity, and is most commonly found among families with Iberian heritage. No U.S. states report a significant concentration of Olegarios, reflecting its rarity across the country.

Olegario is the Spanish, Italian, and Portuguese form of the Late Latin name Olearius, which is derived from the Greek Eleemon, meaning 'compassionate' or 'merciful'. The name is linked to Saint Olegarius, a 12th-century bishop of Barcelona venerated in the Catholic Church. It has been used in Spanish-speaking countries and Italy since medieval times, though it remains relatively uncommon.

Nicknames & variants

Nicknames: Ole, Oli, Gario

Variants: Olearius, Olegario

Sibling names for Olegario

Names that share Olegario's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

O is for Olegario, our favorite little boy.

O is for Olegario…”

In a Mallowby alphabet book, Olegario's letter becomes Olegario's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Olegario's book

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Questions parents ask

What does the name Olegario mean?
Olegario means 'compassionate' or 'merciful', derived from the Greek Eleemon.
How popular is the name Olegario?
Olegario is very rare. In 2025, it ranked 10,695th in the United States, with about 1 in 284,679 boys given the name.
Is Olegario a boy's or girl's name?
Olegario is traditionally a boy's name.