OOPS, here they are, just down page further ....says she is married but as you see Robert is not in the 1911 census with his family.

1911 Census of Canada
Home / 1911 / Ontario / Toronto West / 70 Toronto / page 8 split view
Transcribed by: Robin

79 81 Harris Elizabeth F Head M Oct 1868 42 1901
10 81 Harris Robert M Son S Dec 1885 25 1901
11 81 Harris George M Son S May 1887 24 1901
12 81 Harris Arthur M Son S Oct 1891 19 1901
13 81 Harris Hannah F Daughter S Mar 1894 17 1901
14 81 Harris Winnifred F Daughter S Sep 1898 12 1901
15 81 Harris Herbert M Son S Dec 1904 6 1901