In the 1881 census of Canada St. Louis Ward, Montreal City, Quebec
John Whyddon, age 36, born England, Episcopalian, English origin, clerk, married,
Louisa Whyddon, age 36, born Quebec, English origin, married
Idath [Edith?] Whyddon, age 11, born Quebec, English origin, student
Josephine Whyddon, age 9, born Quebec, student
Eva Whyddon, age 8, born Quebec, student
Bertha Whyddon, age 6, born Quebec
Beatrice Whyddon, age 4, born Quebec
Philippe Whyddon, age 1 month, born Quebec
Joseph Whyddon, age 80, born England, married, employee
Sarah Whyddon, age 72, born England, married

In the 1891 Canadaian Census Ste Cunegonde Town, Hochelaga, Quebec
Head John Whyddon, age 43, born England, clerk, parents, born England
Wife Louisa Whyddon, age 43, born Ontario, father born Quebec, mother born West Indies
Daughter Edith Whyddon, single, age 21, born Quebec, clerk for CPR
Daughter Josephine Whyddon, single, age 19, born Quebec
Daughter Eva Whyddon, single, age 17, born Quebec, clerk
Daughter Bertha Whyddon, age 15, born Quebec
Daughter Beatrice Whyddon, age 13, born Quebec
Son Edwin Whyddon, age 11, born Quebec
Son Clarence Whyddon, age 8, born Quebec