boy's name
Kain
- Gender Boy
- Syllables 1
- Letters 4
- Popularity Uncommon
- Births on record 4,973
Northern Ireland
#356
2015 births
Kain is a boy's name with 1 syllable. In 2025 it was given to 94 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2016, when 180 babies were given the name.
- Its usage has held steady over the past decade.
- Today about 1 in 35,270 babies in the United States is given this name.
- First appears in US birth records in 1973.
- 1 syllable, with the stress on syllable 1.
Kain over time
Births per decade in the United States, 1970s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1970s | 43 |
| 1980s | 87 |
| 1990s | 560 |
| 2000s | 985 |
| 2010s | 1,417 |
| 2020s (to 2025) | 658 |
How popular is Kain?
In 2025, Kain was given to 94 babies in the United States. It is used consistently but remains uncommon.
Where Kain is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
How Kain is spelled
Birth registers count each spelling separately, so every one has its own ranking.
| Spelling | What it is | Births on record |
|---|---|---|
| Kaïn | Kaïn is Kain written with a diaeresis, used in France, where it ranks #4,378. | 60 |
Names that peaked alongside Kain
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Kain also like
Names whose popularity has risen and fallen in step with Kain over the last century — the same taste, a different name.
Sibling names for Kain
Names from the same era that won't rhyme or share an initial with Kain — the two things that make a sibling set grate.
Common questions about Kain
How popular is the name Kain?
In 2025, Kain was given to 94 babies in the United States. It is used consistently but remains uncommon.
Is Kain a girl's or a boy's name?
Kain is given almost entirely to boys in birth records.
How many syllables are in Kain?
Kain has 1 syllable.
When was Kain most popular?
Kain peaked in 2016, when 180 babies were given the name. Its usage has held steady over the past decade.
Is Kain a good name?
That is not something records can settle, but they can tell you what you would be choosing. Kain currently ranks #1,731 in the United States. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.