Diffni Family History

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

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