Meaning, origin, history
Kiernan is an Irish given name of Gaelic origin. It is derived from the Irish surname Ó Ciarnáin, which comes from the ancient personal name Ciarnán. The meaning of Ciarnán is believed to be "little dark one," referring to a person with dark hair or complexion.
The use of Kiernan as a given name is relatively recent, with it becoming more popular in the late 20th century. It is often found among Irish families who wish to honor their heritage by using traditional Gaelic names for their children.
Historically, the Ó Ciarnáin clan was an important one in Ireland. They were located primarily in County Tyrone and were known for their involvement in politics and warfare. Some notable figures with the surname Kiernan include Thomas Francis Meagher, an Irish nationalist who played a significant role in the Young Ireland movement, and Patrick Joseph "P.J." Kiernan, an American politician from New York.
Today, Kiernan is used as both a first name and a surname. It has gained popularity worldwide due to its unique sound and Irish heritage. Despite its recent use as a given name, it remains deeply rooted in Irish history and culture.
In numbers
Popularity of the name Kiernan since 1880
Total births
1,687
Total since 1880
Peak year
2008
77 births
in 2023
29
Recent births (5 years)
5-year trend
+1%
→
vs previous 5 years