There are several Jacob Schihls on Ancestry.ca.
Which one are you looking for? Do you have a birth or death year?
Here are the birth dates on line for Jacob Shcihl
1909, 1874, 1876, 1907, 1857, 1861, 1800
Death dates: b 1800 died 1886 Welland; 1857-1875 Welland;
1901 census has a Barbara Schihl, b 1832, France, living
Humberstone Welland.
1901 and 1911 census on
www.automatedgenealogy1881 census on
www.familysearch.org1881 census has Schihls on it living in
Humberstone Welland.