Given name & surname · also Latin

Gennaro

“born of Janus”

Gennaro is used as a given name and a surname. One Italian interpretation is “born of Janus.”

Original ItalianZennaro

Meaning & origin

What it means

One Italian interpretation is “born of Janus.”

Where it comes from

An origin associated with this spelling is Latin.

How it developed

From Italian Gennaro, from Latin Iānuārius.

Adapted from Wiktionary (CC BY-SA 4.0)

The story

Published U.S. birth records include this spelling as early as 1904. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Gennaro through the years

Babies since 1880
2,542
2,542 boys · 0 girls
Most popular year
1926
42 babies
2025
20
#4,915 for boys
2021–25 vs 2016–20
+37%
Rising
0204060192019401960198020002025Highest share 191312
Gennaro in U.S. Social Security birth records, 1904–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

Where it’s given

Most at home inNew York
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: New York (7).

By the numbers

In 2025, this name appeared in 20 U.S. birth records for boys, ranking No. 4,915 among boys’ names. Average annual use for boys was 37.2% higher in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 42 in 1926. In 2025, New York had the largest reported state-level birth count for boys with this name (7). Published U.S. population figures for this spelling include 2,007 as a first name in 2020; 1,307 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Gennaro’s family of names

Gennaro shares a linguistic root with Jenaro. In Italian usage, Gennaro has a conventional equivalent in the Polish form January. In Italian usage, Gennaro has a conventional equivalent in the French form JANVIER.

Walk Gennaro’s family in the name graph

GennaroGennarroGennarioGennareoZennaroGenuarioGennarusGennariosGennarosGennariusGenaroJanuaryJenaroJanvierJanuarioGennarJanuariusGianuarioGennarini

Inner ring: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Around the world

Gennaro has relatives in 4 languages. Lines run from its Latin roots to each of them.

Latin

5 related names in 4 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Similar names

If you love Gennaro, these share its style, era, origin or sound, from outside its own family.

Latin · Old-fashioned

Clement

“merciful” · “a merciful man”

34RareRising

>99% boys

French · Old-fashioned

Seymour

“moor” · “from the French town of Saint Maur”

17Very rareRising fast

>99% boys

Latin · Old-fashioned

Gaetano

“a man from Gaeta”

25RareSteady

>99% boys

Late Latin · Old-fashioned

Donato

“a gift from God”

18Very rareEasing

>99% boys

English · Old-fashioned

Garland

“decorated with a wreath of flowers” · “one who is crowned”

17Very rareEasing

86% boys · 14% girls

Spanish · Old-fashioned

Margarito

“resembling a pearl”

22RareRising

>99% boys

Italian · Old-fashioned

Santo

“a holy man”

27RareRising fast

>99% boys

Spanish · Old-fashioned

Refugio

“one who provides shelter”

15Very rareSteady

>99% boys

Sibling ideas

Names that share Gennaro’s feel without repeating its first letter or rhyming with it.

A brother for Gennaro

A sister for Gennaro