MallowbyNames

Cain

KAYN · Possession, acquisition; of uncertain origin, but often connected to the Hebrew verb qanah, meaning 'to acquire' or 'to possess.'

2025 rank (boys)
#1,141
Babies named in 2025
185
Peak popularity
2014
2025 frequency
1 in 9,233 boys
Usually for
Boys
Trend
Declining since 2015

Declining since 2015, #1,141 for boys today.

Popularity of Cain since 1910

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

110220330192019602000Most births 2014Boys
Data table (by decade)
DecadeBoys
1910s31
1920s51
1930s35
1940s15
1950s38
1960s73
1970s257
1980s380
1990s1,046
2000s1,481
2010s2,814
2020s1,407

Meaning & origin

Cain remains a rare but persistent choice for American parents, ranking 1141st in 2025 with roughly 1 in every 9,233 newborn boys receiving the name. Its popularity peaked in 2014, but has been steadily declining since 2015. The name is most concentrated in Louisiana, Kentucky, and Ohio. While its biblical association with the first murder gives it a heavy cultural weight, some parents are drawn to its strong sound and ancient roots. The name's trajectory suggests it will continue as an uncommon but not unheard-of choice, favored by those who appreciate its historical depth and simple, powerful pronunciation.

Cain is derived from the Hebrew name קַיִן (Qayin), which is traditionally associated with the verb קָנָה (qanah) meaning 'to acquire' or 'to possess.' In the Book of Genesis, Eve names her first son Cain, saying 'I have acquired a man with the help of the Lord' (Genesis 4:1). The name has been used in English since the Protestant Reformation, though it has been less common due to the biblical association with the first murderer. Despite this, Cain has seen periodic use, particularly in the United States in the 20th and 21st centuries.

Where Cain 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

Cain” around the world

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

  • Ireland

    4

    babies in 2025

Sources: CSO Ireland (Ireland).

Nicknames & variants

Variants: Cayne, Kain

Sibling names for Cain

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

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

C is for Cain, our favorite little boy.

C is for Cain…”

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

Make Cain's book

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

Questions parents ask

What does the name Cain mean?
Cain is traditionally connected to the Hebrew verb qanah, meaning 'to acquire' or 'to possess,' though its exact meaning is uncertain.
How popular is the name Cain?
In 2025, Cain ranked 1141st in the U.S., with about 1 in 9,233 newborn boys given the name. Its peak popularity was in 2014, and it has been declining since 2015.
Is Cain a boy or girl name?
Cain is used almost exclusively for boys.