Postelthwait Family History

You can see how Postelthwait families moved over time by selecting different census years. The Postelthwait family name was found in the USA in 1920. In 1920 there was 1 Postelthwait family living in California. This was about 50% of all the recorded Postelthwait's in USA. California and 1 other state had the highest population of Postelthwait families in 1920.

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