Bruce,
I did as you suggested and found the marriage record of Hanhah Corlett's niece from 1922. This shows May Corletts father as Joseph Corlett, a mason.
Working backwards I found Joseph Corlett (age 46) and family in the 1901 census living at 4 Albert St, Ramsey.
Joseph Corlett Head M 46 England
Isabella Corlett W M 42 IOM Michael
Janet " D 16 IOM Ramsey
Isabella " D 14 " "
May " D 11 " "
William " S 9 " "
Could anyone please check the 1891 census to see if they were at the same address?
Going further back I found Joseph (age 26) in the IGI 1881 Census as follows:-
John Corlett Head M 62 Lezayre, IOM
Jane " W M 55 Ramsey
Joseph " S U 26 Birkenhead, England
Henry " S U 22 Ramsey, IOM
Lillia " D U 17 " "
Lenora " D U 13 " "
The family were living at 8 Market Place, Maughold, IOM
I would be exteremely grateful if anyone could lookup the 1871 and 1861 Censuses for the family
Thanks in anticipation
Ian