N'ihe dị ka n'ọnwa Machị 1, 1947, a mụrụ Thicke na Kirkland Lake, Ontario, nwa Shirley "Joan" Isobel Marie (née Greer), onye nọọsụ, na William Jeffrey, onye na-ere ahịa ahịa. Ha gbara alụkwaghịm na 1953. Nne ya lụrụ Brian Thicke, onye dibịa, ha kwagara Elliot Lake. Alan Thicke gụsịrị akwụkwọ na Elliot Lake Secondary School na 1965, a họpụtara ya eze ụlọ. Ọ gara na Mahadum Western Ontario, ebe ọ sonyeere Delta Upsilon fraternity. Ajụjụ: Gịnị bụ aha nwanyị Shirley?
Greer