His mother, Alma Elaine (née McPeck), was a bank clerk and nurse's aide, and his father, Donald Edward Wahlberg, was a Teamster who worked as a delivery driver; the two divorced in 1982.
Wahlberg had a Catholic upbringing and attended Copley Square High School (but never graduated) on Newbury Street in Copley Square in Boston.
The campus now houses Muriel Snowden International School
As a teenager, Wahlberg
participated in several acts of violence and vandalism.
later claimed to have been in trouble 20-25 times with the Boston Police Department
as a youth.
By the age of thirteen Wahlberg had developed a serious addiction to cocaine and other substances.
At fifteen he
harassed a group of African American school children on a field trip by throwing rocks (causing injuries) and shouting epithets.
was sixteen (again using racist language) after robbing a pharmacy under the influence of PCP, Wahlberg
knocked a middle aged Vietnamese man unconscious, left another Vietnamese man permanently blinded in one eye, and attacked a security guard.
For these crimes, Wahlberg
was charged for attempted murder, pled guilty to assault, and was sentenced to two years in jail at Boston's Deer Island House of Correction, of which he
served 45 days.
In yet another incident, the 21-year-old Wahlberg
fractured the jaw of a neighbor in an unprovoked attack.
first came to fame as the younger brother of Donnie Wahlberg
of the successful 1980s and 1990s boy band New Kids on the Block.
father, Donald E. Wahlberg
, a US Army veteran of the Korean War, died on Valentine's Day, February 14, 2008.