Kailei
Girls' nameMeaning not yet documented
Kailei has been given to 617 babies in the U.S. since 1988. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2004, with 34 recorded.
Babies named Kailei, 2024
1 in 478,000
Kailei 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Kailei?
Kailei had fewer than 5 recorded uses in 2025, so these figures use 2024, the last year it was published.
- Among all babies, 2024
- 1 in 478,000
- 7 of 3,342,801 births
- Among girls only
- 1 in 231,000
- <0.01% of girls
- Rank, 2024
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 331,009 kids
- Even odds of a second one
Where Kailei sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2024 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 331,009 children born in 2024 and it's an even bet that one of them is another Kailei. In a class of 30 the chance is Under 1%.
When Kaileis were born
Half of everyone ever recorded as Kailei was born before 2007 — so the typical Kailei is around 18 today.
- Biggest decade
- 2000s
- 45.7% of all use
- Born in the last 25 years
- 84.3%
- A modern name
- Recorded since 1950
- 617
- People you could plausibly meet
2000s — 45.7% of all recorded uses (282).
Is Kailei 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
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 2004 (34)
- Years since peak
- 21
- Years
- Year-to-year steadiness
- Shifting
- 23.3% average annual change
Spellings of Kailei
Kailei is not the most common spelling — Hailey is, with 23.9% against Kailei's 0.08%.
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.
Where Kailei is used
Across 1910–2025, Kailei was most concentrated in California — about 1 in — girls, against 1 in 781,404 across all states with data. It was least common in Texas (1 in —).
Most concentrated
- 1California1 in —
- 2Georgia1 in —
- 3Texas1 in —
Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Kailei has too little recent state data to map, so this covers all years from 1910.
Kailei by the numbers
The raw record for each sex the name is used for.
Names similar to Kailei
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Kailei
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.