BabyNamesTrends
Menu

2025 data, released 8 May 2026

Katelin

Katelin was not among the names given to 5 or more girls in 2025. Its best year was 1993, when it ranked 539th with 444 babies. More babies were named Katelin in the 1990s than in any other decade.

Meaning (as Katelyn) variant of Caitlin (Catherine) · Irish, Greek

Rank in 2025
Not rankedgirls
Babies in 2025
0girls
Girls and boys
Almost always a girl’s name2021–2025
Peak year
1993444 babies
Total since 1880
8,917babies recorded

What does the name Katelin mean?

Katelin is a spelling of Katelyn, pronounced the same way, so it shares Katelyn's meaning and origin.

Katelyn is an American spelling of Caitlin, as Wiktionary notes. Caitlín is the Irish form of Catherine, taken from the Norman French form Cateline. Catherine comes from Greek Aikaterinē, the name of the early martyr Saint Catherine of Alexandria; its origin is unknown, and the familiar link to Greek katharos 'pure' is a later reinterpretation that changed the spelling to Katharina. Katelyn became popular in the 1990s with other -lyn names.

Caitlín (Irish, “Catherine”)Αἰκατερίνη (Aikaterinē) (Ancient Greek, “Catherine (origin unknown)”)

How sure is this? Probable. Katelyn is clearly a form of Caitlin; the meaning of Catherine is unknown.

Other explanations you may read: Catherine means 'pure' (Greek katharos).

Related names: Caitlin, Kaitlyn, Catherine, Kate.

See also: Irish names.

Sources for this meaning

Katelin popularity since 1880

0125250375500 1900192019401960198020002020
Girls Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (girls)Babies (girls)
2025——
2020#16,3005
2010#1,918105
2000#620409
1990#568409
1980#3,55823
1970——
1960——
1950——
1940——
1930——
1920——
1910——
1900——
1890——
1880——

How popular is Katelin, counting every spelling?

Katelin is a spelling of Katelyn, a name family that ranked #884 for girls in 2025 once every spelling is counted together. Together these spellings went to 288 girls in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Katelyn225#1,0771,511
Katelynn63#2,736387
Catelyn——27

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 old are people named Katelin?

About 8,800 people born in the US named Katelin are alive today, with a median age of 30; half are between 24 and 35. That makes Katelin mostly worn by children and young adults.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

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.

Katelin by state

How common Katelin was among girls born in each state in 1991–1995, around its peak. It is notably more common than nationally in Utah (3.6×), Kentucky (2.5×), Nebraska (2.3×), South Carolina (2.0×), Iowa (1.9×). It is least common, relative to the national rate, in Texas, California, New York.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: 0.30 per 1,000 babiesWI0.30Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: 0.28 per 1,000 babiesWA0.28Idaho: 0.47 per 1,000 babiesID0.47Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: 0.29 per 1,000 babiesMN0.29Illinois: 0.22 per 1,000 babiesIL0.22Michigan: 0.31 per 1,000 babiesMI0.31New York: 0.15 per 1,000 babiesNY0.15Massachusetts: 0.19 per 1,000 babiesMA0.19Oregon: 0.33 per 1,000 babiesOR0.33Nevada: fewer than 5 a yearNV–Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: 0.43 per 1,000 babiesIA0.43Indiana: 0.40 per 1,000 babiesIN0.40Ohio: 0.33 per 1,000 babiesOH0.33Pennsylvania: 0.28 per 1,000 babiesPA0.28New Jersey: 0.16 per 1,000 babiesNJ0.16Connecticut: 0.22 per 1,000 babiesCT0.22Rhode Island: fewer than 5 a yearRI–California: 0.15 per 1,000 babiesCA0.15Utah: 0.81 per 1,000 babiesUT0.81Colorado: 0.31 per 1,000 babiesCO0.31Nebraska: 0.52 per 1,000 babiesNE0.52Missouri: 0.33 per 1,000 babiesMO0.33Kentucky: 0.56 per 1,000 babiesKY0.56West Virginia: 0.46 per 1,000 babiesWV0.46Virginia: 0.34 per 1,000 babiesVA0.34Maryland: 0.24 per 1,000 babiesMD0.24Delaware: fewer than 5 a yearDE–Arizona: 0.23 per 1,000 babiesAZ0.23New Mexico: fewer than 5 a yearNM–Kansas: 0.43 per 1,000 babiesKS0.43Arkansas: 0.20 per 1,000 babiesAR0.20Tennessee: 0.41 per 1,000 babiesTN0.41North Carolina: 0.31 per 1,000 babiesNC0.31South Carolina: 0.45 per 1,000 babiesSC0.45District of Columbia: fewer than 5 a yearDC–Oklahoma: 0.32 per 1,000 babiesOK0.32Louisiana: 0.17 per 1,000 babiesLA0.17Mississippi: 0.32 per 1,000 babiesMS0.32Alabama: 0.23 per 1,000 babiesAL0.23Georgia: 0.25 per 1,000 babiesGA0.25Hawaii: fewer than 5 a yearHI–Texas: 0.14 per 1,000 babiesTX0.14Florida: 0.24 per 1,000 babiesFL0.24
Babies per 1,000 of the same sex, Katelin, girls, 1991–1995. Darker means more common.

Names with a similar history

These names rose and fell in step with Katelin: their share of US girls followed the most similar curve since 1880. If you like Katelin, they share its era and feel.

Questions about the name Katelin

What does Katelin mean?

Katelin is a spelling of Katelyn, which means “variant of Caitlin (Catherine)” (Irish, Greek origin). Certainty: probable.

How popular is the name Katelin?

Katelin was not among the names given to 5 or more girls in 2025. Its best year was 1993, when it ranked 539th with 444 babies. More babies were named Katelin in the 1990s than in any other decade.

Is Katelin a boy or girl name?

In 2021–2025, almost always a girl’s name given the name Katelin in the US.

Where was Katelin most popular?

In 1991–1995, Katelin was most common in Utah (0.81 per 1,000 girls), followed by Kentucky and Nebraska.