1871 Pontiac Census for Clarendon has the following Ostrom Family.Apparently of German descent with nationality of U.S. scratched out.Religion: Cofe with all being born in Quebec.
Derrick age 50 ~ Jane aged 39 ~ John age 20 ~ Christa age 17 ~ Derrick age 19 ~ Mary Ann age 15 ~ William age 11 ~ Charles age 9 Sarah age 7 ~ James age 5
Also residing in their home were Creighton, Thomas age 23 of irish descent ~ Ostrom, Elsie age 20 ~ Creighton, John R. age 1
I am yet to find them on the 1861 census for the same area. Derrick and Jane (Nichols) left Quebec for North Bay, Ontario.A number of their children can be found in local cemeteries. Should you have a connection, please contact me. Thanks