Kay Hanley Biography Hanley was born in Dorchester, Massachusetts. She grew up diagonally across the street from Donnie and Mark Wahlberg. She was a member of Letters To Cleo from 1990 to 2000 (the length of the band's existence, with the exception of the 2008-2009 reunion tour). The band name was conceived by Hanley in reference to a pen pal named Cleo that she had when she was younger. In 199... more.