Mrowczinski Family History

You can see how Mrowczinski families moved over time by selecting different census years. The Mrowczinski family name was found in the USA in 1920. In 1920 there were 2 Mrowczinski families living in Illinois. This was 100% of all the recorded Mrowczinski's in USA. Illinois had the highest population of Mrowczinski families in 1920.

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