Tony,
You wrote:
"Lucy by 1939 I think is with a George H Kennelly at Redbrick Farm, Newark, Peterborough. They are shown as being married but I've not yet found the marriage. She seems to have 'lost' a few years from her age given in 1921 but there is a Kennelly daughter with them and this girl's 1938 entry on freebmd has the mother's maiden name given as Markson."
I think Lucy Mabel Markson wasn't the biological mother of this 'daughter', she was probably her granddaughter registered as daughter. I though Lucy was a bit old to have another child and I found this newspaper article. Lucy Ann Kennelly married Lucy's son Harold Sydney Bellamy. Her father was Henry Kennelly and mother Susannah Ward. I suspect Henry was George Herbert Kennely's uncle.
AFFILIATION ORDER
.... AFFILIATION ORDER. Pte. Thomas Patrick Bannon, Royal Artillery, Woolwich, was summoned by Lucy Ann Kennelly, 3 Tucker's-yard, Stanground, for an affiliation order. Appelant was represented by Mr. J. W. Winter, of Huntingdon, and defendant denied paternity ... she discovered her condition she asked him what he was going to do but he gave no definite answer. When defendent went to Aldershot she went out with another man. A child was born on December 7th. On Monday night defendant called at 3. Tucker's-yard where ...
Published: Friday 04 March 1938
Newspaper: Peterborough Standard
County: Northamptonshire, England