Killiam
#9,344 in 2025Boys' nameMeaning not yet documented
Killiam has been given to 49 babies in the U.S. since 2017. In 2025 it ranked #9,344 of 13,926 boys’ names in use. Its peak year was 2024, with 16 recorded.
Babies named Killiam, 2025
1 in 414,000
Killiam 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Killiam?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 414,000
- 8 of 3,315,165 births
- Among boys only
- 1 in 213,000
- <0.01% of boys
- Rank, 2025
- #9,344
- of 13,926 boys’ names in use
- Coin-flip room size
- 287,238 kids
- Even odds of a second one
Where Killiam 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 287,238 children born in 2025 and it's an even bet that one of them is another Killiam. In a class of 30 the chance is Under 1%.
When Killiams were born
Half of everyone ever recorded as Killiam was born before 2022 — so the typical Killiam is around 3 today.
- Biggest decade
- 2020s
- 75.5% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 49
- People you could plausibly meet
2020s — 75.5% of all recorded uses (37).
Is Killiam 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
- −3,560
- Places dropped
- Rank vs 5 years ago
- −173
- Places dropped
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 50.0%
- Peak was 2024 (16)
- Years since peak
- 1
- Years
- Year-to-year steadiness
- Volatile
- 55.0% average annual change
Spellings of Killiam
Killiam is not the most common spelling — William is, with 99.0% against Killiam'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.
Killiam around the world
Where Killiam 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.
- France1996–2020#5,386in 2020
Popularity data from Institut national de la statistique et des études économiques. INSEE data under Licence Ouverte / Etalab 2.0.
Killiam by the numbers
The raw record for each sex the name is used for.
Names similar to Killiam
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Killiam
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.