Sincleair Family History

You can see how Sincleair families moved over time by selecting different census years. The Sincleair family name was found in the USA between 1840 and 1920. The most Sincleair families were found in and USA in 1840. In 1840 there was 1 Sincleair family living in Maine. This was 100% of all the recorded Sincleair's in USA. Maine had the highest population of Sincleair families in 1840.

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