Home β€Ί Baby Names Directory β€Ί Kelly

Kelly

β™‚ Boy

Pronounced KEL-ee /ˈkΙ›l.i/Medium

Meaning: From Irish Ceallach, possibly 'bright-headed' or 'strife'Medium

In 30 seconds: Kelly is an Irish name from Ceallach, read as either 'bright-headed' or 'strife'. It moved from a Gaelic name into a widely used surname and first name.
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Origin MediumIrish, English
MeaningFrom Irish Ceallach, possibly 'bright-headed' or 'strife'
U.S. rank (2024)#1579 β†— Rising
2024 U.S. births109 boys (0.01% of U.S. boys)
Peak year1967
Total births (all-time)β‰ˆ 82,317

Popularity in the U.S. Β· SSA data

peak 196718802024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

History & Origin

Kelly traces to the Irish Ceallach, whose meaning is uncertain, offered as both 'bright-headed' and 'strife'. It became one of the most common Irish surnames before crossing over into first-name use. As a boy's name it keeps its strong Gaelic heritage.

Older forms like Ceallach and Ceallagh sit alongside the lighter Kelley and Kellie. The surfer Kelly Slater, a record-setting World Surf League champion, is a well-known bearer.

Did you know? Kelly likely reached first-name use through a surname or place-name route, which gives it that modern borrowed-from-history feel.
Overall data confidence 78%
Behind the Name - Kelly β€” etymology, usage, pronunciation, and related formsU.S. Social Security Administration β€” 2024 popularity rank and count supplied in the batch input CSV

Variations

CeallachCeallaghKelleyKelliKellie

Nicknames

β€”

Famous Bearers

  • β˜…Kelly Slater (born 1972)
    American professional surfer who has won a record number of World Surf League championship titles.

If you like Kelly…

Callahanβ€” shares the Gaelic Ceallach root in surname form
Cianβ€” an Irish boy's name with the same Gaelic naming heritage
Killianβ€” another Irish name carrying a strong Gaelic sound like Kelly

Frequently Asked

What does the name Kelly mean?

Kelly is usually explained as meaning 'origin uncertain' and is most often linked with Irish tradition.

How do you pronounce Kelly?

It's commonly said KEL-ee /ˈkΙ›l.i/.

Is Kelly a boy or girl name?

In this batch and in recent U.S. usage data, Kelly is used as a boy name.

How popular is Kelly?

In 2024, Kelly ranked #1579 in the U.S. for boys, with 109 births recorded.