Kelsi
Kelsi was the 3948th most popular name for girls in 2025, given to 37 babies. Its best year was 1991, when it ranked 410th with 624 babies. Over the last ten years it has moved down 1,618 places. More babies were named Kelsi in the 1990s than in any other decade.
Meaning (as Kelsey) Cēol's island (English place name) · Old English
- Rank in 2025
- #3,948 girls, down 1,465 places since 2020
- Babies in 2025
- 37girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 1991624 babies
- Total since 1880
- 10,151babies recorded
What does the name Kelsi mean?
Kelsi is a spelling of Kelsey, pronounced the same way, so it shares Kelsey's meaning and origin.
Kelsey is an English habitational surname. Wiktionary derives it from Old English cēol, ship, a word also used as a personal name, plus īeg, island or dry ground in marsh, so "Cēol's island." The surname became a boys' name and then, from the mid-20th century, a girls' name; Wiktionary notes it was especially popular for girls in the 1990s. US records show it for boys from 1891 and for girls from 1942.
cēol (Old English, “ship; personal name Cēol”)īeġ (Old English, “island”)
How sure is this? Probable. Wiktionary only; place-name etymologies of this kind are sometimes uncertain.
Related names: Kelsie, Kelcie, Kelsi, Chelsea.
See also: English names, names that mean meadow, hill or valley, names from places.
Sources for this meaning
- Wiktionary, entry 'Kelsey' (English section), Wiktionary (CC BY-SA 4.0; facts restated, no text reused)
- US Social Security Administration, national baby-name data 1880-2025 (yob*.txt), team3 computation of first year recorded, US Social Security Administration (public domain)
Kelsi popularity since 1880
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #3,948 | 37 |
| 2020 | #2,483 | 70 |
| 2010 | #1,690 | 125 |
| 2000 | #755 | 304 |
| 1990 | #496 | 492 |
| 1980 | #2,719 | 34 |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Kelsi, counting every spelling?
Kelsi is a spelling of Kelsey, a name family that ranked #587 for girls in 2025 once every spelling is counted together, compared with #3,948 for Kelsi on its own. Together these spellings went to 508 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Kelsey | 335 | #814 | 2,152 |
| Kelsie | 82 | #2,248 | 504 |
| Kelsea | 38 | #3,869 | 230 |
| Kelsi | 37 | #3,948 | 228 |
| Kelsy | 16 | #6,981 | 96 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Kelsi?
37 of the 3,606,400 babies born in the US in 2025 were named Kelsi (0.01 per 1,000 births). For a girl named Kelsi born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 226 (of 430 pupils) would have a child named Kelsi.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Kelsi?
About 10,000 people born in the US named Kelsi are alive today, with a median age of 30; half are between 23 and 35. That makes Kelsi mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Kelsi by state
How common Kelsi was among girls born in each state in 2021–2025. In 48 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Kelsi: their share of US girls followed the most similar curve since 1880. If you like Kelsi, they share its era and feel.
Questions about the name Kelsi
What does Kelsi mean?
Kelsi is a spelling of Kelsey, which means “Cēol's island (English place name)” (Old English origin). Certainty: probable.
How popular is the name Kelsi?
Kelsi was the 3948th most popular name for girls in 2025, given to 37 babies. Its best year was 1991, when it ranked 410th with 624 babies. Over the last ten years it has moved down 1,618 places. More babies were named Kelsi in the 1990s than in any other decade.
Is Kelsi a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Kelsi in the US.
Where is Kelsi most popular?
In 2021–2025, Kelsi was most common in Louisiana (0.06 per 1,000 girls), followed by Florida and Texas.