You can see how Wilke families moved over time by selecting different Census years.
from the New York Passengers List
The information for this chart came from the U.S. Immigration Collection at Ancestry. You can find out where the majority of the Wilke families were living before they immigrated to the U.S and learn where to focus your search for foreign records.
from the Canadian Passenger Lists
You can find out when most of the Wilke families immigrated to Canada. You can focus your search to immigration records dating from that era.
Immigration records can tell you an ancestor's name, ship name, port of departure, port of arrival and destination.
from 1881 CA Census Data
Census records can offer a lot of little known facts about your Wilke ancestors, such as occupation.
Occupation can tell you about your ancestors' social status and economic status.