listed in Pender's 'Census' of 1659

Locations of the variant spelling Dowgan in Pender's 'Census' of 1659

Doogin: 17
Dowgan: 5
Dugan: 10
Dugen: 4
Dugin: 7

From the numbers of Irish, Scotch and English listed in Pender's 'Census' of 1659.