Quinnlan is of Irish origin, derived from the surname Ó Cuinn, which means "descendant of Conn." Conn was a legendary High King of Ireland, and thus the name Quinnlan signifies someone who shares lineage with him. In Irish tradition, this name carries a sense of heritage and pride in one's ancestry. It has gained popularity as a given name in recent years, likely due to its unique sound and cultural significance.
The name Quinnlan experienced a notable peak in popularity between 2006 and 2009, with 13 births recorded in 2006 and over 7 births each year until 2009. However, it appears that its usage has been declining since then, with fewer than 8 births per year from 2010 onwards. Overall, there have been a total of 118 babies named Quinnlan between 1999 and 2020.