Sinecki Family History

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

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