Siechoski Family History

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

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