From the manxbmd.com it appears that Lilian married John Alfred Killen 1947 at St Georges Church ref. page 1203 entry 46.

A George Douglas married 1913 at the same church ref. page 467 entry 139. If you don't know his wifes name you will need the marriage certificate.

George was the son of John Clucas and Elizabeth Clucas. They were married Sept. 1 1877 at Braddan.

1901 census at 33 Tynwald St. Douglas :-

John Clucas 47 Plumber Douglas
Elizabeth 45 Douglas
Richard H. 21 Plasterers Labourer Douglas
Emily E. 12 Douglas
George D. 10 Douglas
Robert S. 8 Douglas
Thomas P. 3 Douglas

There were other children as seen in iomfhs.im
but some died young.

Len Faragher