Olthoff Family History

You can see how Olthoff families moved over time by selecting different census years. The Olthoff family name was found in the USA, and Canada between 1880 and 1920. The most Olthoff families were found in USA in 1920. In 1880 there were 25 Olthoff families living in Illinois. This was about 51% of all the recorded Olthoff's in USA. Illinois had the highest population of Olthoff families in 1880.

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