Manitoba Vital Statistics show a marriage between Michael Sanders and Louisa Schenk 06/06/1907 at Winnipeg. The daughter on the 1911 census Helen could be the one born 16/11/1901 at Winnipeg with the mother's name mistranscribed on the record as Lauria Scroggie. There is a death for Michael Sanders registered at St. Vital on 19/04/1915 at age 74. Any of these can be ordered for $12.00 each and might contain information to include or exclude as family.
The family you found in 1901 is in Lisgar Manitoba on the 1891 census. Wife Mary is alive and shows an 1845 birth in Ireland. Children are Michael 17, John 16, Catherine 14, Julia 11, Phillip 9, Walter 7 and William 2. All children born in U.S.
On the 1880 US Census for Esopus Ulster New York State
Michael Sanders 40, b. Ire. with wife Mary 34 b. Ire and children
James 9 b. New York, John 6 b. New York, Katie 4 b. New York and Julia 6 mos. b. Jan in New York
Debbie