Irish: variant of Dugan 2 a shortened Anglicized form of Gaelic Ó Duibhginn ‘descendant of Duibhgeann’ a byname from dubh ‘black’ + ceann ‘head chief’.
Source: Dictionary of American Family Names 2nd edition, 2022
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Where is the Deegan family from?
You can see how Deegan families moved over time by selecting different census years. The Deegan family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Deegan families were found in USA in 1880. In 1891 there were 103 Deegan families living in Lancashire. This was about 44% of all the recorded Deegan's in United Kingdom. Lancashire had the highest population of Deegan families in 1891.
Use census records and voter lists to see where families with the Deegan surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
In 1939, General Labourer and Unpaid Domestic Duties were the top reported jobs for men and women in the United Kingdom named Deegan. 19% of Deegan men worked as a General Labourer and 73% of Deegan women worked as an Unpaid Domestic Duties. Some less common occupations for Americans named Deegan were Chef and Unpaid Domestic. .
Between 1944 and 2004, in the United States, Deegan life expectancy was at its lowest point in 1944, and highest in 2004. The average life expectancy for Deegan in 1944 was 27, and 83 in 2004.