Kain
- US rank
- #1,728
- Syllables
- 1
- Peak
- #1,090 in 2016
94 babies were named Kain in the US in 2025. It has dropped 189 places in five years.
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US births per million boys, 1973–2025
Most popular states (2025)
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Kain you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 18,182 baby boys born in the US in 2025 was named Kain, 94 babies in all. In a typical school of 500 kids, your Kain would very likely be the only one.
- HistoryKain first shows up in US birth records in 1973, the first year at least 5 babies got it. It has been in use for 52 years since.
- Best yearIts best year was 2016, when it reached #1,090.
- TrendKain has slipped 189 places over the last five years and now sits at #1,728. Good news if you want a familiar name that fewer kids will share.
- Where it's lovedKain is most popular in Louisiana, where it ranks #775. It's in the top 1,000 in 1 state.
About the name Kain
Kain is a boy name of Irish and Welsh origin. It has 4 letters and 1 syllable, starting with K and ending in “-ain”. US birth records list Kain for boys from 1973 to 2025, in 51 of those 53 years. Its best year was 2016, when it ranked #1,090 among boy names. In 2025 it ranked #1,728, with 94 babies.
Origin:Irish namesWelsh names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1970s | 3.8 | 261,194 boys |
| 1980s | 4.7 | 212,766 boys |
| 1990s | 29 | 34,282 boys |
| 2000s | 49 | 20,251 boys |
| 2010s | 75 | 13,263 boys |
| 2020s | 63 | 15,765 boys |
Other spellings of Kain
More Irish boy names
- Boy name: Liam · resolute protector
- Unisex name: Owen · well-born
- Unisex name: Logan · little hollow
- Unisex name: Nolan · descendant of Nuallán
- Unisex name: Gael · a Gael
- Boy name: Arthur · possibly bear
- Unisex name: Ryan · little king
- Boy name: Dominic · of the Lord
Questions about the name Kain
What is the origin of the name Kain?
Kain has Irish, Welsh roots in our records. Other Irish names include Liam, Owen, Logan.
Is Kain a boy or girl name?
Kain is a boy name.
How popular is the name Kain?
Kain ranked #1,728 for US boys in 2025, given to 94 babies. Its best year was 2016 (#1,090).