Kelby Boy & girl
How popular is Kelby?
#5,207 boy name in 2025
18 baby boys were named Kelby in the US in 2025, making it the 5207th most popular boy name. Another 14 girls got the name (#7,489 for girls).
5,390living people named Kelby (est.)
29median age of people named Kelby
5,582babies named Kelby since 1880
1 in 103,604US babies born in 2025
Kelby popularity over time
Boys Girls
| Rank in 2025 | #5,207 for boys (▲ 987 from 2024) |
|---|---|
| Babies in 2025 | 18 boys, 14 girls |
| 10-year trend | Falling fast (-57% babies vs 2015) |
| Earlier ranks | #2,808 in 2015, #4,422 in 2020 |
| Peak year | 1991 (187 boys) |
| Highest rank | #741 in 1991 |
| First recorded | 1948 |
| Boys vs girls (last 10 years) | 60% boys, 40% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Kelby by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1940s | 10 | #3,666 |
| 1950s | 63 | #2,390 |
| 1960s | 86 | #1,649 |
| 1970s | 474 | #1,069 |
| 1980s | 637 | #896 |
| 1990s | 1,364 | #741 |
| 2000s | 829 | #1,228 |
| 2010s | 432 | #1,912 |
| 2020s | 124 | #4,086 |
Boy names about as popular as Kelby
Questions
- Is Kelby a boy or girl name?
- Kelby is used for both. Over the last 10 years, 60% of babies named Kelby were boys and 40% were girls.
- How popular is the name Kelby?
- 18 baby boys were named Kelby in the US in 2025, making it the 5207th most popular boy name. Another 14 girls got the name (#7,489 for girls).
- When was Kelby most popular?
- Kelby peaked in 1991, when 187 boys were given the name. Its highest rank was #741 in 1991.
- How many people are named Kelby?
- 5,582 babies have been named Kelby in the US since 1880. We estimate about 5,390 of them are alive in 2026, with a median age of 29.
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.