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Reilley
How to Pronounce Reilley
Pronounced RY-lee /ΛraΙͺ.li/Medium
Meaning: Reilley is an ornate spelling of Riley, the anglicized form of the Irish surname O Raghailligh. The root is usually linked to a word meaning valiant or courageous. Carried from surname to first name, it keeps that spirited sense in a doubled, decorative dress.Low
Popularity in the U.S. Β· SSA data
U.S. births per year (Social Security Administration, 1880βpresent). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Reilley is a variant spelling of Riley, from the Irish surname O Raghailligh, generally traced to a root meaning valiant or courageous. As Riley surged for both girls and boys in the two-thousands, elaborated spellings like Reilley appeared alongside it. This form keeps the lively sound while nodding harder to the name's Irish surname roots.
Reilley was never common, given to only about twenty girls a year at its mid-two-thousands peak. A girl named Reilley then is in her early twenties today.
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Frequently Asked
What does the name Reilley mean?
It is a spelling of Riley, from an Irish surname tied to a root meaning valiant or courageous.
How do you pronounce Reilley?
It is said RY-lee, two syllables with the stress on the first.
Is Reilley a boy or girl name?
Reilley is here used as a girl's name, though Riley is given to both.
How popular is Reilley?
It has always been rare in the United States, given to only about twenty girls a year at its peak in the mid-two-thousands.