Kathalyn
Girls' nameMeaning not yet documented
Kathalyn has been given to 29 babies in the U.S. since 1916. 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 1945, with 7 recorded.
Babies named Kathalyn, 1954
1 in 663,000
Kathalyn 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Kathalyn?
Kathalyn had fewer than 5 recorded uses in 2025, so these figures use 1954, the last year it was published.
- Among all babies, 1954
- 1 in 663,000
- 6 of 3,979,464 births
- Among girls only
- 1 in 324,000
- <0.01% of girls
- Rank, 1954
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 459,727 kids
- Even odds of a second one
Where Kathalyn sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 1954 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 459,727 children born in 1954 and it's an even bet that one of them is another Kathalyn. In a class of 30 the chance is Under 1%.
When Kathalyns were born
Half of everyone ever recorded as Kathalyn was born before 1948 — so the typical Kathalyn is around 77 today.
- Biggest decade
- 1940s
- 44.8% of all use
- Born in the last 25 years
- 82.8%
- A modern name
- Recorded since 1950
- 11
- People you could plausibly meet
1940s — 44.8% of all recorded uses (13).
Is Kathalyn 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 1945 (7)
- Years since peak
- 80
- Years
- Year-to-year steadiness
- Not enough data
- Too few years
Spellings of Kathalyn
Kathalyn is not the most common spelling — Kathryn is, with 70.3% against Kathalyn'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.
Kathalyn around the world
Where Kathalyn ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- France1977–1988#2,284in 1988
Popularity data from Institut national de la statistique et des études économiques. INSEE data under Licence Ouverte / Etalab 2.0.
Kathalyn by the numbers
The raw record for each sex the name is used for.
Names similar to Kathalyn
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Kathalyn
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.