About Kelley
Kelley is a spelling of Kelly used for both girls and boys. Its Irish history leads to the given name Ceallach and the surname Ó Ceallaigh, but the deeper meaning is uncertain. Soccer player Kelley O’Hara and novelist Kelley Armstrong give the spelling strong modern associations.
Meaning and origin
Kelly developed as an English form of Ceallach or of the surname derived from it. Ó Ceallaigh means “descendant of Ceallach.” Kelley preserves the same name history in another English spelling.
Ceallach is traditionally explained as “bright-headed,” but its origin is disputed. Connections with words meaning “war” or “strife,” and with a word for “church,” have also been proposed. None should be treated as a certain translation.
Kelly was predominantly masculine before its growth as a girls’ name in the mid-twentieth century. Kelley also has substantial historical records for both sexes.
Pronunciation and spellings
Kelley is KEL-ee, with two syllables and stress on the first. Its pronunciation is the same as Kelly.
Kelli, Kellie, and Kelleigh are other spelling relatives. Their different endings do not normally alter the familiar English sound.
Kelley O’Hara
Kelley O’Hara won the 2009 Hermann Trophy while playing soccer at Stanford, becoming the university’s first recipient. Her senior season included twenty-six goals and sixty-five points, both Stanford season records at the time.
She later became part of the United States team that won the 2015 Women’s World Cup. Her international record also included the gold-medal team at the London Olympics in 2012.
That progression from college distinction to international titles gives the name a substantial sporting connection. It also makes O’Hara a recognizable bearer of Kelley’s less common spelling.
Kelley Armstrong
Kelley Armstrong’s Bitten begins her Otherworld series. Its central character, Elena Michaels, is a werewolf trying to live an ordinary human life in Toronto.
Elena has left her pack, but a request for help draws her back into its conflicts. Her wish for independence competes with loyalty, obligation, and the demands of the supernatural world.
The book gives Kelley a contemporary fantasy association, distinct from O’Hara’s athletic career. Armstrong’s name appears across a wider body of fantasy and suspense writing.
Popularity in the United States
Kelley peaked for both sexes in 1968. The female total was 1,918 girls, at No. 168; the male total was 168 boys, at No. 589.
By 1980, it remained much more common for girls, with 1,084 girls and 111 boys. In 2025, the numbers were small for both: fifteen girls and nine boys.
These records show that Kelley’s strongest American use belonged to the late 1960s and nearby decades. Kelly’s larger separate record is not included in the figures.
Sources & methodologyReferences, data & attribution
Meaning and history draw on the references below. Popularity figures use the local Social Security Administration series for this exact spelling and sex; counts below five are omitted. Existing Wiktionary material is available under CC BY-SA. Suggested shortenings are identified in the prose.
- Wiktionary: Kelley (English)
- Social Security Administration: national name data
- Wikidata: Kelley O'Hara
- Wikidata: Kelley Hurley
- Wikidata: Kelley Armstrong
- Wikidata: Kelley Deal
- Wikidata: Kelley Law
- Wikidata: Kelley Mack
- Wikidata: Kelley Jakle
- Stanford Athletics: Kelley O'Hara
- Stanford Athletics: World Cup champions
- Stanford Athletics: 2015 World Cup selection
- Penguin Random House: Bitten
Wiktionary material is available under CC BY-SA 4.0.
How popular is Kelley?
In 2025, Kelley ranked #7,320 among girls in the United States, with 15 recorded uses. The U.S. birth records first list this spelling for girls in 1919; its largest annual count was 1,918 in 1968. 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.