Costoff Family History

You can see how Costoff families moved over time by selecting different census years. The Costoff family name was found in the USA, and Canada between 1880 and 1920. The most Costoff families were found in USA in 1920. In 1911 there were 5 Costoff families living in Ontario. This was about 83% of all the recorded Costoff's in Canada. Ontario had the highest population of Costoff families in 1911.

Use census records and voter lists to see where families with the Costoff surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.