Sieyncak Family History

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

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