-A small town in the U.S. state of Washington, hometown of Kurt Cobain (deceased lead singer of the rock band Nirvana)
-A song by indie rock band Cage the Elephant (2011)
-Probably means "confluence of the Dee," a river in Scotland (from the name of a Celtic river-goddess)
-Shares first element with Abercrombie (meaning "confluence of the river called 'crooked' "), Abernathy ("confluence of the (river) Nethy"), etc.
Aberdeen Layfield, character from What Real Life Is