If you are not certain he was born in the Isle of Man then look at William Corlett 1798 christened in Camerton to Robert Corlett and Margaret Gill. Camerton is not far from Moresby.

There is a death in Birkenhead for a William Corlett 1877 aged 79 and an Esther Corlett 1873 aged 71.

Len Faragher