What does Katelyn mean?
Katelyn is a modern English spelling of Caitlin, part of the Katherine family. It carries the traditional association with “pure,” although Katherine's earliest origin is disputed. The name combines a familiar Kate opening with the two-syllable rhythm shared by Kaitlyn and Caitlyn.
Its strongest American popularity came around the 1990s and early 2000s. Gymnast Katelyn Ohashi gives this particular spelling a notable contemporary sporting connection.
From Katherine to Caitlín and Katelyn
The name's history reaches back through Irish Caitlín to Cateline, an Old French form of Katherine. English Caitlin developed from the Irish spelling, and Katelyn became one of several English alternatives.
Katherine itself comes from Greek Aikaterine. Its original meaning remains uncertain, with proposals involving other Greek names and words. The familiar meaning “pure” developed through an early Christian association with Greek katharos.
That association became influential enough to affect the Latin spelling Katharina. It also became the meaning most often attached to the many later forms of the name, including the family to which Katelyn belongs.
Katelyn preserves the sound of English Caitlin while giving the opening the familiar written form Kate. Its final lyn is part of this spelling's adaptation of Caitlin, whose longer history leads back through Irish and French.
Katelyn Ohashi and gymnastics
American gymnast Katelyn Ohashi brought the spelling to a large sporting audience while competing for UCLA. A perfect-scoring floor exercise routine in January 2019 became widely shared beyond the usual college-gymnastics audience.
That routine earned her two ESPY Awards in July 2019: Best Viral Moment and Best Play. It was the first of six perfect 10s she received on floor exercise during that year.
Her UCLA career included two NCAA titles, five Pac-12 titles, ten All-America honors, and eleven perfect 10s overall. The awards and competitive results give the familiar first name an association with both accomplished college sport and a performance that reached a much broader public.
Pronunciation and related names
Katelyn is pronounced KAYT-lin, with stress on the first syllable. The written Kate is compressed into the first syllable; the name has two syllables rather than three.
Kaitlyn, Kaitlin, Caitlin, and Caitlyn are closely related spellings. Katelynn adds another final n, while Katelin offers a different arrangement of the same familiar sounds.
Kate and Katie belong to the wider Katherine family and offer natural short forms. Kathleen and Catherine share the deeper name history, although their usual English pronunciations differ from Katelyn's.
Katelyn in the United States
Katelyn's largest annual American girls' count was 5,975 in 1993. Its best national rank came in 2001, at No. 52. It ranked No. 239 in 2015, No. 677 in 2020, and No. 1,077 in 2025. These figures describe this exact spelling within a much larger family of related names.
Sources & methodologyReferences, data & attribution
Meaning and history draw on the references below. American popularity figures use published Social Security Administration records for this exact spelling; counts below five for a name, sex, and year are omitted.
- Wiktionary: Katelyn (English)
- Wiktionary: Catherine (English)
- Wiktionary: Catherine
- U.S. Social Security Administration: national name data and limitations
- Wikidata: Katelyn Nacon
- Wikidata: Katelyn Tarver
- Wikidata: Katelyn Ohashi
- Wikidata: Katelyn Rowland
- Wikidata: Katelyn Pippy
- Wikidata: Katelyn Tuohy
- Wikidata: suicide of Katelyn Nicole Davis
- Wikidata: Katelyn Good
- UCLA: Katelyn Ohashi wins two ESPYs
Wiktionary material is available under CC BY-SA 4.0.
How popular is Katelyn?
In 2025, Katelyn ranked #1,077 among girls in the United States, with 225 recorded uses. The U.S. birth records first list this spelling for girls in 1970; its largest annual count was 5,975 in 1993. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.