Hi Kathleen

The IGI has James Mason Kelly ch St Mary's Castletown 8/7/1883 to William Joseph Kelly and Ann XXXX
Brian Lawsons Births shows he was born Malew and mother's surname was Sansbury.
Brian Lawson's marriages has him marrying Mary Gertrude Hockenhull in 1906.

1911 Census Castletown

James Kelly 27 b Castletown House Painter
Mary Kelly 25 b Liverpool
Robert Kelly 3 b Castletown
James Kelly 2 b Castletown

Birth Robert Arthur ch 5/5/1907 Chapel of St Mary, Castletown to James Meeson and Mary Gertrude Kelly.

Birth James Henry Mason Kelly ch 31/1/1909 Chapel of St Mary Castletown to James Mason Kelly and Mary Gertrude Huckenhalf Kelly.

Could not find Edith's birth on Manx BMD as Edith Annie, but found what looks like her birth on Free UKBMD:

Edith A Kelly Sept Qtr 1911, District of Birkenhead, mother's maiden name Hickenhull

Cheers
David