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

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