Rubuta ci gaba don wannan sakin layi - An haifi Crosby a asibitin haihuwa na Grace a Halifax, Nova Scotia a ranar 7 ga Agusta, 1987 ga Troy da Trina (née Forbes) Crosby. Lambar rigar Crosby (87) da sanya hannu kan kwangilar 2007 ($ 8.7 miliyan a kowace shekara) suna nuna ranar haihuwarsa (8/7/87). Crosby ya girma a kusa da Cole Harbour kuma yana da ƙanwar 'yar'uwa mai suna Taylor. Mahaifinsa Troy mai tsaron gida ne wanda ya buga wa Verdun Junior Canadiens a cikin Quebec Major Junior Hockey League (QMJHL). Ya kuma taka leda a gasar cin kofin tunawa ta 1985 kuma Montreal Canadiens ta zaba shi a matsayin na 240 a shekarar 1984
, amma bai taba taka leda a matakin NHL ba. Girma, Crosby ya yaba Steve Yzerman kuma, kamar mahaifinsa, ya kasance mai son Canadiens. Crosby ya fara wasan hockey da kansa a cikin ginshikinsa yana ɗan shekara biyu, yana harba pucks a cikin raga wanda ke da na'urar bushewa ta iyali a bayansa, wanda ya haifar da kuskuren da ya daɗe cewa a zahiri yana yin aiki tare da na'urar bushewa; ya koyi kankara a shekara uku.