MallowbyNames

Onesimo

oh-NEH-see-moh · Beneficial, profitable, or useful.

Peak popularity
1929
Usually for
Boys
Trend
Holding steady

Holding steady.

Popularity of Onesimo since 1917

Babies named Onesimo per year in U.S. Social Security records. Raw births topped out in 1982, but relative to how few babies were recorded back then, Onesimo's real moment was 1929.

51116192019602000Most births 1982Boys
Data table (by decade)
DecadeBoys
1910s5
1920s68
1930s68
1940s52
1950s51
1960s61
1970s44
1980s70
1990s62
2000s68
2010s33
2020s12

Meaning & origin

Onesimo is a rare masculine name of Greek origin, meaning 'useful' or 'profitable.' It entered the U.S. naming record in 1917, at a time when distinctive biblical and classical names were finding modest favor among immigrant and religious communities. The name reached its highest recorded usage in 1929, during the peak year of the 1920s, but it has never been common, with one-in-N figures too low to meaningfully calculate. Its trajectory has remained stable rather than surging or falling, indicating that it has appeared sporadically without becoming fashionable. No U.S. state registered it with notable frequency, reflecting its highly localized and passing appeal. Onesimo's connection to the New Testament figure Onesimus gives it a quiet religious resonance, though the name has never attained wide adoption outside of Spanish-speaking and Italian families.

Onesimo derives from the Greek name Onesimos, meaning 'useful' or 'profitable.' It appears in the New Testament as the name of a slave mentioned in Paul's Epistle to Philemon. The name has been used in Spanish and Italian cultures, often in religious contexts, but has remained rare in English-speaking countries.

Nicknames & variants

Nicknames: Oni, Nemo

Variants: Onesimus, Onesimo

Sibling names for Onesimo

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

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

O is for Onesimo, our favorite little boy.

O is for Onesimo…”

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

Make Onesimo's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What is the meaning of the name Onesimo?
Onesimo means 'useful' or 'profitable,' derived from the Greek word onesimos.
Is Onesimo a popular name?
Onesimo is extremely rare in modern times. It was most common in the 1920s, peaking in 1929, and has since seen very infrequent use.
Is Onesimo a boy's or girl's name?
Onesimo is predominantly a masculine name, consistent with its historical and biblical usage.