There are at least two artists named The Wilsons:
1) The Wilsons are Carnie and Wendy Wilson, of Wilson Phillips, and their father, Brian Wilson, of The Beach Boys. They created one self-titled album together, The Wilsons, released in 1997 via Mercury Records.
2) The Wilsons are Canadian country music duo Kortney and Dave Wilson, the married stars of CMT Canada's Meet the Wilsons.