Cain Boy
How popular is Cain?
#1,141 boy name in 2025
185 baby boys were named Cain in the US in 2025, making it the 1141st most popular boy name.
Cain popularity over time
| Rank in 2025 | #1,141 for boys (▼ 161 from 2024) |
|---|---|
| Babies in 2025 | 185 boys |
| 10-year trend | Falling (-43% babies vs 2015) |
| Earlier ranks | #742 in 2015, #892 in 2020 |
| Peak year | 2014 (330 boys) |
| Highest rank | #727 in 2014 |
| First recorded | 1910 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Cain counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kane family of names ranked #276 for boys in 2025 (#261 the year before), with 1,269 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Kane | 695 | 55% |
| Cain | 185 | 15% |
| Kaine | 126 | 10% |
| Kain | 94 | 7% |
| Kayne | 49 | 4% |
| Caine | 54 | 4% |
| Can | 11 | 1% |
| Kayn | 20 | 2% |
| Cayne | 13 | 1% |
| Cane | 22 | 2% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Cain is most popular
Babies named Cain per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Louisiana: 0.4 per 1,000 (36 boys)
- Montana: 0.3 per 1,000 (5 boys)
- Michigan: 0.2 per 1,000 (51 boys)
- Arizona: 0.2 per 1,000 (38 boys)
- California: 0.2 per 1,000 (172 boys)
Cain by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1910s | 31 | #1,117 |
| 1920s | 51 | #2,764 |
| 1930s | 35 | #2,609 |
| 1940s | 15 | #2,787 |
| 1950s | 38 | #2,742 |
| 1960s | 73 | #2,464 |
| 1970s | 257 | #1,311 |
| 1980s | 380 | #1,309 |
| 1990s | 1,046 | #899 |
| 2000s | 1,481 | #988 |
| 2010s | 2,814 | #727 |
| 2020s | 1,407 | #892 |
Boy names about as popular as Cain
Questions
- Is Cain a boy or girl name?
- Cain is mostly a boy name. Over the last 10 years, 100% of babies named Cain were boys.
- How popular is the name Cain?
- 185 baby boys were named Cain in the US in 2025, making it the 1141st most popular boy name.
- When was Cain most popular?
- Cain peaked in 2014, when 330 boys were given the name. Its highest rank was #727 in 2014.
- How many people are named Cain?
- 7,628 babies have been named Cain in the US since 1880. We estimate about 7,367 of them are alive in 2026, with a median age of 14.
- Where is Cain most popular?
- From 2021 to 2025, Cain was most common in Louisiana, at 0.4 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.