Kelsei

#12,543 in 2025Girls' name

Meaning not yet documented

Kelsei has been given to 337 babies in the U.S. since 1988. In 2025 it ranked #12,543 of 17,293 girls’ names in use. Its peak year was 1996, with 19 recorded.

Babies named Kelsei, 2025

1 in 474,000

Kelsei over time, 1880–2025

Girls
0510152018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Kelsei?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 474,000
7 of 3,315,165 births
Among girls only
1 in 230,000
<0.01% of girls
Rank, 2025
#12,543
of 17,293 girls’ names in use
Coin-flip room size
328,272 kids
Even odds of a second one

Where Kelsei sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

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.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 328,272 children born in 2025 and it's an even bet that one of them is another Kelsei. In a class of 30 the chance is Under 1%.

When Kelseis were born

Half of everyone ever recorded as Kelsei was born before 2003 — so the typical Kelsei is around 22 today.

Median birth year
2003
About 22 years old
Biggest decade
1990s
34.7% of all use
Born in the last 25 years
59.1%
A modern name
Recorded since 1950
337
People you could plausibly meet
Choose a decade

1990s — 34.7% of all recorded uses (117).

Is Kelsei 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
+273
Places climbed
Rank vs 10 years ago
−3,849
Places dropped
Births vs 10 years ago
0.54×
Fewer babies than then
Share of its own peak
36.8%
Peak was 1996 (19)
Years since peak
29
Years
Year-to-year steadiness
Volatile
27.6% average annual change
Best rank ever
#5,174
1996

Spellings of Kelsei

Kelsei is not the most common spelling — Kelsey is, with 44.6% against Kelsei's 0.10%.

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.

Kelsei around the world

Where Kelsei 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 & Wales
    2009–2009
    #5,556
    in 2009
  • South Australia
    1993–2011
    #840
    in 2011

Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Kelsei by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#12,543
Trend vs 5 yrs ago
Up 273
Best rank ever
#5,174
1996
Peak year
1996
19 that year
First recorded
1988
Last recorded
2025
All-time count
337
Count in 2025
7

Names similar to Kelsei

Matched on shared beginnings and endings, similar length, and comparable popularity.

Sibling names for Kelsei

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Kelsei