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Keighan
How to Pronounce Keighan
Pronounced KEE-guhn /ˈkiːɡən/Medium
Meaning: Keighan is a fancy spelling of Keegan, an Irish surname turned first name. Keegan comes from Mac Aodhagain, 'son of Aodhagan,' a diminutive of Aodh, the name of an old Celtic fire deity, often read as 'fire' or 'fiery.' The -eigh- spelling gives Keighan a contemporary look.Low
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Keighan is an elaborated spelling of Keegan, an Anglicized Irish surname from Mac Aodhagain, 'son of Aodhagan.' Aodhagan is a diminutive of Aodh, an old Celtic fire deity, giving the name a 'fire' sense. Surname-style boys' names with ornate -eigh- spellings grew fashionable in the early twenty-first century.
It was never common, given to only about twenty boys a year at its high point in the early twenty-tens. A boy named Keighan then is still a child today.
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Frequently Asked
What does the name Keighan mean?
It is an ornate spelling of Keegan, from the Irish Mac Aodhagain, tied to Aodh, 'fire.'
How do you pronounce Keighan?
It is said KEE-guhn /ˈkiːɡən/, two syllables with the stress on the first.
Is Keighan a boy or girl name?
Keighan is used as a boy's name.
How popular is the name Keighan?
It has always been rare in the United States, given to only about twenty boys a year even at its peak in the early twenty-tens.