They were at separate addresses:-
1871 Census IoM: RG_10_5772_100b; Ballaugh_3_40; Ballacorrague: Robert Quayle, Head, Mar, 32, Butcher, Ballaugh
1871 Census IoM: RG_10_5775_126a; Douglas_13_102: Marion Terrace: Ann I Quayle, Head, Mar, 30, Butcher's Wife, Ballaugh; Isabella, M Quayle, Daur, 7, Ballaugh; Emily E Quayle, Daur, 2, Dgls