Oscar was born in Sweden in 1870, moved to the USA where he married, then moved to Canada where he had a son and daughter before he died in 1912.
Sources
"Canada, Northwest Provinces Census, 1901," database,(https://central.bac-lac.gc.ca/.item/?app=Census1901&op=img&id=z000179257), household of Oscar E Green (with wife Emeline), Alberta, Alberta, Canada; Public Archives, Ottawa, Ontario.(Note: lines above Oscar show family of William Johnson (b. 1827-02-27 England), his wife Cynthia (b. 1827-06-22 Ontario), and grandson Thomas (b. 1893-02-28, USA).
"Canada, Northwest Provinces Census, 1906," database,(https://central.bac-lac.gc.ca/.item/?app=Census1906&op=img&id=e001211406), household of O E Green (with wife Emmiline and daughter Selma, "mother-in-law" Cyncy Johnson and "adopted son" Thomas Johnson), 8, Alberta, Alberta, Canada; Public Archives, Ottawa, Ontario.
Karlsson-639 was created by Robert Graham through the import of Graham-Lebsack2.ged on Aug 28, 2014. This comment and citation can be deleted after the biography has been edited and primary sources are included.