When Catherine Wathen was born about 1766, in Prince George Parish, Prince George's, Maryland, United States, her father, Barton Wathen, was 47 and her mother, Clothilda, was 40. She married Joseph Edelen on 3 April 1786, in Prince George's, Maryland, United States. They were the parents of at least 6 sons and 7 daughters. She died on 8 May 1841, in Nelson, Kentucky, United States, at the age of 76, and was buried in Holy Cross, Marion, Kentucky, United States.
Welsh: possibly from the personal name Gwaiddan, which is found as part of placenames in Robeston Wathen, near Narberth, Pembrokeshire, and the nearby Llanwathen (from Welsh llan ‘church’ + Gwaiddon).