You can see how Dermott families moved over time by selecting different Census years.
Census records can tell you little-known facts about your ancestors such as birthplace, occupation and value of personal estate.
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 Dermott families were living before they immigrated to the U.S and learn where to focus your search for foreign records.
from the New York Passenger Lists
You can find out when most of the Dermott families immigrated to the United States. You can focus your search to emigration records dating from that era.
Emigration records can tell you an ancestor's name, ship name, port of departure, port of arrival and destination.
from 1881 UK Census Data
Census records can offer a lot of little known facts about your Dermott ancestors, such as occupation.
Occupation can tell you about your ancestors' social status and economic status.