Kayzlyn
#12,535 in 2025Girls' nameMeaning not yet documented
Kayzlyn has been given to 14 babies in the U.S. since 2015. In 2025 it ranked #12,535 of 17,293 girls’ names in use. Its peak year was 2015, with 7 recorded.
Babies named Kayzlyn, 2025
1 in 474,000
Kayzlyn over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Kayzlyn?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 474,000
- 7 of 3,315,165 births
- Among girls only
- 1 in 230,000
- <0.01% of girls
- Rank, 2025
- #12,535
- of 17,293 girls’ names in use
- Coin-flip room size
- 328,272 kids
- Even odds of a second one
Where Kayzlyn sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 328,272 children born in 2025 and it's an even bet that one of them is another Kayzlyn. In a class of 30 the chance is Under 1%.
When Kayzlyns were born
Half of everyone ever recorded as Kayzlyn was born before 2015 — so the typical Kayzlyn is around 10 today.
- Biggest decade
- 2010s
- 50.0% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 14
- People you could plausibly meet
2010s — 50.0% of all recorded uses (7).
Is Kayzlyn rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- +1,199
- Places climbed
- Births vs 10 years ago
- 1.00×
- More babies than then
- Share of its own peak
- 100.0%
- Peak was 2015 (7)
- Years since peak
- 10
- Years
- Year-to-year steadiness
- Not enough data
- Too few years
Spellings of Kayzlyn
Kayzlyn is not the most common spelling — Kaitlyn is, with 35.6% against Kayzlyn's <0.01%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Kayzlyn by the numbers
The raw record for each sex the name is used for.
Names similar to Kayzlyn
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Kayzlyn
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.