Kieffer
Boys' nameMeaning not yet documented
Kieffer has been given to 166 babies in the U.S. since 1989. 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 1994, with 17 recorded.
Babies named Kieffer, 2014
1 in 618,000
Kieffer 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Kieffer?
Kieffer had fewer than 5 recorded uses in 2025, so these figures use 2014, the last year it was published.
- Among all babies, 2014
- 1 in 618,000
- 6 of 3,706,812 births
- Among boys only
- 1 in 320,000
- <0.01% of boys
- Rank, 2014
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 428,229 kids
- Even odds of a second one
Where Kieffer sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2014 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 428,229 children born in 2014 and it's an even bet that one of them is another Kieffer. In a class of 30 the chance is Under 1%.
When Kieffers were born
Half of everyone ever recorded as Kieffer was born before 1996 — so the typical Kieffer is around 29 today.
- Biggest decade
- 1990s
- 66.9% of all use
- Born in the last 25 years
- 96.4%
- A modern name
- Recorded since 1950
- 166
- People you could plausibly meet
1990s — 66.9% of all recorded uses (111).
Is Kieffer 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 1994 (17)
- Years since peak
- 31
- Years
- Year-to-year steadiness
- Volatile
- 61.4% average annual change
Spellings of Kieffer
Kieffer is not the most common spelling — Kiefer is, with 59.6% against Kieffer's 5.1%.
Kieffer around the world
Where Kieffer 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.
- England & Wales1997–1998#2,901in 1998
Popularity data from Office for National Statistics. ONS data under Open Government Licence v3.0.
Kieffer by the numbers
The raw record for each sex the name is used for.
Names similar to Kieffer
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Kieffer
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.