There are four or more artists / bands by that name:
1. Lumberjack is a death metal band from Marseille, France formed in 2007. Check their Myspace page: http://www.myspace.com/lumberjack13
2. some DJ / producer who also happens to work for Last.fm under the same name
3. Canadian band
4. A former Texas, now Bostonian Chillwave/lo-fi Artist also known as Steven Salazar
http://www.lumberjacknow.bandcamp.com/
soundcloud.com/lumberjackjams

Lumberjack on Last.fm.