Someone felt that the actual surname for the following people was McIsaac even though the enumerator did not record them as such:

Surname	Givens	Subdistrict	District	Province	Page
McIsac	Rodrick	Townships 12	Qu`Appelle	Saskatchewan	19
McIsac	Kate	Townships 12	Qu`Appelle	Saskatchewan	19
McIsac	Donald Alick	Townships 12	Qu`Appelle	Saskatchewan	19
McIsac	Annie	Townships 12	Qu`Appelle	Saskatchewan	19
McIsac	Christy Ann	Townships 12	Qu`Appelle	Saskatchewan	19
McIsac	Mary Maggie	Townships 12	Qu`Appelle	Saskatchewan	19
McIsac	Flora	Townships 12	Qu`Appelle	Saskatchewan	19
McIsac	Johnnie	Townships 12	Qu`Appelle	Saskatchewan	19
McIssac	John	Sarnia	Lambton West	Ontario	11
McIssac	Edith	Sarnia	Lambton West	Ontario	11
McIssac	John	Sarnia	Lambton West	Ontario	11
McIsacc	John	Esquesing	Halton	Ontario	1
McIsacc	Peter	Esquesing	Halton	Ontario	1
McIsacc	Maggie	Esquesing	Halton	Ontario	1
McIsacc	Beatrice	Esquesing	Halton	Ontario	1