An haifi Wahlberg a unguwar Dorchester na Boston, Massachusetts, ƙarami daga cikin yara tara, ciki har da actor Robert da actor-singer Donnie. Mahaifiyarsa, Alma Elaine (née Donnelly), ma'aikacin banki ne da mataimakin ma'aikacin jinya, kuma mahaifinsa, Donald Edmond Wahlberg, direba ne. Iyayensa sun saki a shekarar 1982, kuma bayan haka, ya raba lokacinsa tsakanin su. Mahaifinsa dan asalin Sweden ne da Irish, kuma mahaifiyarsa na asalin Irish, Turanci, da kuma Faransanci-Kanada.
Shekarar 1982