There are three bands under the name "Jersey" and one solo artist. The first being the Canadian Punk band, the second being a German Indie Band, the third being a Croatian Hard rock/Heavy metal band and the solo artist being Hey Monday's bassist Michael "Jersey" Moriarty (better known as Mikey Mo).
These are photos from concerts where Jersey played, so they may be of other bands that played the concert as well.
Vans Warped Tour Aug 11, 2001 Toronto, Ontario, Canada Uploaded by Troy Roberts
Anti-Flag / One Man Army / The Unseen / Jersey May 5, 2001 Chicago, Illinois, United States Uploaded by Jeepgurlio