He went by the name DugEn on the marriage index & Certificate, 13th July 1873 (to Eliza Hurst) when he was 20 years old, living in Irlam. There is no Fathers name listed on the certificate, therefore I cannot trace him back any further. No signature either which I have assumed implies he is illiterate, and would explain all the different spellings of the surname.
The bit about no signature is not right - he did sign the marriage register:
