Trethoran Family History

You can see how Trethoran families moved over time by selecting different census years. The Trethoran family name was found in the UK in 1891. In 1891 there was 1 Trethoran family living in Cornwall. This was 100% of all the recorded Trethoran's in United Kingdom. Cornwall had the highest population of Trethoran families in 1891.

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