A mụrụ Wahlberg na Dorchester agbata obi nke Boston, Massachusetts, nke ọdụdụ n'ime ụmụaka itoolu, gụnyere onye omee Robert na onye omee-onye na-agụ egwú Donnie. Nne ya, Alma Elaine (née Donnelly), bụ onye na-arụ ọrụ na ụlọ akụ na onye na-enyere onye nọọsụ aka, na nna ya, Donald Edmond Wahlberg, bụ onye ọkwọ ụgbọala. Ndị mụrụ ya gbara alụkwaghịm na 1982, na mgbe nke ahụ gasịrị, ọ kewara oge ya n'etiti ha. Nna ya bụ onye Sweden na Irish, na nne ya bụ Irish, Bekee, na French-Canadian. N'ụzọ nne, Wahlberg nwere njikọ dị anya na onye edemede Nathaniel Hawthorne. Wahlberg nwere nzụlite Roman Katọlik ma gaa Copley Square High School na Newbury Street na Boston. Site na afọ 13, Wahlberg zụlitere ọgwụ ọjọọ na cocaine na ihe ndị ọzọ. Ọ nataghị diplọma ụlọ akwụkwọ sekọndrị ya ruo June 2013. Ajụjụ: Mgbe nne na nna ya gbara alụkwaghịm?
Afọ 1982