Younger brother of Arthur Wahlberg, Donnie Wahlberg and Robert Wahlberg. His older siblings are: Arthur Wahlberg, James Wahlberg, Debbie Wahlberg, Michelle Wahlberg, Paul Wahlberg, Tracey Wahlberg, Robert Wahlberg and Donnie Wahlberg. Robert, Donnie and Mark are from their mother's third marriage with Donald Wahlberg.
Blue Bloods ActorsTv Blue BloodsBloods CastBloods Tv STv ReaganReagan BlueReagan FamilyJoe ErinDanny JoeForward. Joe Reagan the second oldest son (So that concludes: Danny, Joe, Erin and Jamie in order or Danny Erin Joe and Jamie)
Blue Bloods Finds New Partners for Danny, But For How Long? Blue Bloods has recruited Megan Boone to temporarily replace Jennifer Esposito as Detective Danny Reagan's (Donnie Wahlberg) new partner. According to Deadline, the Law & Order: LA vet has signed on for three episodes with an option to become a series regular.