MallowbyNames

Genaro

heh-NAH-roh · Of uncertain origin; likely an Italian and Spanish form of Januarius.

2025 rank (boys)
#2,258
Babies named in 2025
62
Peak popularity
1999
2025 frequency
1 in 27,550 boys
Usually for
Boys
Trend
Declining since 1999

Declining since 1999, #2,258 for boys today.

Popularity of Genaro since 1908

Babies named Genaro per year in U.S. Social Security records.

51101152192019602000Most births 2000Boys
Data table (by decade)
DecadeBoys
1900s5
1910s159
1920s401
1930s421
1940s390
1950s532
1960s532
1970s769
1980s924
1990s1,267
2000s1,274
2010s631
2020s364

Meaning & origin

Genaro is a distinctive Italian and Spanish variant of Januarius, a name rooted in Roman mythology and early Christian sainthood. While it has never been a top-tier choice in the United States, it reached its peak popularity in 1999, when it ranked 2,258 nationwide. Since then, its usage has been steadily declining. In 2025, approximately 1 in 27,550 newborn boys received the name. Geographically, Genaro is most common in Texas and California, reflecting concentrations of Italian and Hispanic communities. The name's classic sound and religious heritage make it a meaningful choice for families seeking a less common alternative to more mainstream Italian or Spanish names.

Genaro is the Italian and Spanish form of Januarius, a Latin name meaning 'belonging to Janus,' the Roman god of beginnings and doorways. The name Januarius was borne by several early Christian saints, including a third-century bishop and martyr of Benevento. While the Italian spelling with 'G' emerged from the phonetic shift from 'J' in Latin, the name has been used in Spanish-speaking and Italian communities, especially in the Americas.

Where Genaro is most popular

Births per 100,000 boys by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.

2020s
Fewermore per 100k boystoo few births

Genaro” around the world

Where Genaro lands in the latest official birth statistics abroad, matched to the U.S. spelling.

  • France

    5

    babies in 2024

Sources: INSEE (France).

Nicknames & variants

Variants: Gennaro, Giannaro

Sibling names for Genaro

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

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

G is for Genaro, our favorite little boy.

G is for Genaro…”

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

Make Genaro's book

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

Questions parents ask

What does the name Genaro mean?
Genaro is the Italian and Spanish form of Januarius, meaning 'belonging to Janus,' the Roman god of beginnings and doorways.
How popular is the name Genaro?
In 2025, Genaro ranked 2,258 in the U.S., with about 1 in 27,550 newborn boys given the name. Its peak popularity was in 1999.
Is Genaro a boy's name?
Yes, Genaro is typically a masculine name, though it is rarely used for girls.