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. Joe Reagan (Deceased) Joseph Joe Conor Reagan is the deceased son of Frank Reagan. He was the third oldest child of the Reagan family. Biography: Joe was an NYPD Police Detective who died in the line of duty on May 15, 2009 (15 months before the beginning of the series).