There are 2 bands with the name kerrigan
1. Kerrigan is an American melodic/post-hardcore band from Worcester, Massachusetts. The group consists of vocalist Pat Tobojka, keyboardist/clean vocalist Casey Evans, guitarists Tim Plouffe and Zach Sharp, bassist Erik Fay, and drummer Dan Tobojka.
They released their second EP entitled "Set Out To Sea" in December 2010 and are currently in the process of writing their full length LP.
2. Kerrigan is the solo project of London based musician and producer Glenn Kerrigan,
Kerrigan's track 'spiders' was featured on the Ministry of Sound Chilled Afterhours compilation and he has also remixed 'Midnight City' by M83. More info at www.thesoundofkerrigan.com