Kallahan
#3,162 in 2025UnisexBoys' nameGirls' nameMeaning not yet documented
Kallahan has been given to 148 babies in the U.S. since 2017. In 2025 it ranked #3,162 of 13,926 boys’ names in use. Its peak year was 2025, with 38 recorded. It's used for both sexes: 89% boys, 11% girls all-time.
Babies named Kallahan, 2025
1 in 87,200
Kallahan 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
Girls or boys — Kallahan over time
In 2025, Kallahan went to 12% girls and 88% boys.
A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.
How common is Kallahan?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 87,200
- 38 of 3,315,165 births
- Among boys only
- 1 in 44,900
- <0.01% of boys
- Rank, 2025
- #3,162
- of 13,926 boys’ names in use
- Coin-flip room size
- 60,472 kids
- Even odds of a second one
Where Kallahan 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 60,472 children born in 2025 and it's an even bet that one of them is another Kallahan. In a class of 30 the chance is Under 1%.
When Kallahans were born
Half of everyone ever recorded as Kallahan was born before 2023 — so the typical Kallahan is around 2 today.
- Biggest decade
- 2020s
- 81.8% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 132
- People you could plausibly meet
2020s — 81.8% of all recorded uses (108).
Is Kallahan 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
- +1,097
- Places climbed
- Rank vs 5 years ago
- +5,965
- Places climbed
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 100.0%
- Peak was 2025 (38)
- Years since peak
- Peaking now
- At its all-time high
- Year-to-year steadiness
- Volatile
- 43.2% average annual change
Spellings of Kallahan
Kallahan is not the most common spelling — Callahan is, with 86.3% against Kallahan's 1.9%.
Kallahan by the numbers
The raw record for each sex the name is used for.
As a boy's name
Names similar to Kallahan
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Kallahan
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.