Monnihan Family History

You can see how Monnihan families moved over time by selecting different census years. The Monnihan family name was found in the USA between 1880 and 1920. The most Monnihan families were found in USA in 1880. In 1880 there were 20 Monnihan families living in New York. This was about 49% of all the recorded Monnihan's in USA. New York had the highest population of Monnihan families in 1880.

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