I am from Canada and am trying to make a family tree, my relatives moved over from Czech with the last name Hanis.
The surname is probably "Haniš" (feminine variant "Hanišová"), and is possibly derived from the German "Hanisch" (same pronunciation). According a database of Czech surnames, there are 72 occurences of "Haniš," 82 of "Hanisch," 73 of "Hanišová" and 92 of "Hanischová." I'd start by searching immigrant records in Canada to find out when they left and what city/town/village they came from (assuming you don't already know this information). This will help you narrow your search.
