The name Cullen is a boy's name of Irish origin meaning "holly tree". Cullen is ranked #517 on our popularity charts and is often added to lists like Irish Baby Names for Boys and discussed in our forums with posts like "Your kids & their personalities.".
From the experts:
Cullen is an appealing Irish surname name that upped its cool factor considerably when it became the Twilight family name of Edward et al. It's considerably less popular than it was at its peak in 2010, but is still strong at Number 545.
Cullen Jenkins is a defensive tackle for the Washington Redskins.