Kaidyn Boy
How popular is Kaidyn?
#2,145 boy name in 2025
67 baby boys were named Kaidyn in the US in 2025, making it the 2145th most popular boy name. Another 11 girls got the name (#8,858 for girls).
Kaidyn popularity over time
Boys Girls
| Rank in 2025 | #2,145 for boys (▼ 243 from 2024) |
|---|---|
| Babies in 2025 | 67 boys, 11 girls |
| 10-year trend | Falling fast (-57% babies vs 2015) |
| Earlier ranks | #1,185 in 2015, #1,499 in 2020 |
| Peak year | 2014 (190 boys) |
| Highest rank | #1,040 in 2012 |
| First recorded | 1999 |
| Boys vs girls (last 10 years) | 81% boys, 19% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Kaidyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kayden family of names ranked #20 for boys in 2025 (#17 the year before), with 8,513 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Kayden | 2,678 | 31% |
| Kaiden | 1,476 | 17% |
| Caden | 1,742 | 20% |
| Kaden | 1,034 | 12% |
| Cayden | 774 | 9% |
| Caiden | 475 | 6% |
| Kaidyn | 67 | 1% |
| Kadyn | 41 | 0% |
| Kaydon | 35 | 0% |
| Kadin | 27 | 0% |
| Kaidan | 15 | 0% |
| Kaydin | 23 | 0% |
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 Kaidyn is most popular
Babies named Kaidyn per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Louisiana: 0.1 per 1,000 (13 boys)
- Florida: 0.1 per 1,000 (41 boys)
- North Carolina: 0.1 per 1,000 (22 boys)
- Georgia: 0.1 per 1,000 (18 boys)
- Michigan: 0.1 per 1,000 (13 boys)
Kaidyn by decade
Boy names about as popular as Kaidyn
Questions
- Is Kaidyn a boy or girl name?
- Kaidyn is mostly a boy name. Over the last 10 years, 81% of babies named Kaidyn were boys.
- How popular is the name Kaidyn?
- 67 baby boys were named Kaidyn in the US in 2025, making it the 2145th most popular boy name. Another 11 girls got the name (#8,858 for girls).
- When was Kaidyn most popular?
- Kaidyn peaked in 2014, when 190 boys were given the name. Its highest rank was #1,040 in 2012.
- How many people are named Kaidyn?
- 4,061 babies have been named Kaidyn in the US since 1880. We estimate about 4,030 of them are alive in 2026, with a median age of 13.
- Where is Kaidyn most popular?
- From 2021 to 2025, Kaidyn was most common in Louisiana, at 0.1 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.