Firstly thank you so much for everyones input. I think the following details are those that people have asked to be clarified, but apologies if I havent answered all questions.
1931 Birth registration details for Robert Frederick John Rodgers
Address listed as 73 York Street;
Birth registered by Father Corporal RF Rodgers - Yorkshire Regiment address same: 73 York Street.
Deducing born Northern Ireland - York Street in Derry near Ebrington Barracks.
1929 Marriage certificate details: Married in Roman Catholic Church at Long Tower.
Robert F Rodgers: No mention of Regiment, only occupation: Soldier and Father John Rodgers Labourer.
Kathleen Gallagher: Factory Worker living at 10 Long Tower Street.
Witnesses: George Arthur McDonald and Annie Friel.
Other information that has been found and I have actually verified as much as I can is:
Robert Frederick Rodgers parents were John Rodgers and Ann Rodgers, formerly Lockwood. Father Steel Furnaceman, living in Bingley Street, Sheffield.
They would have appeared to have separated between 1901 and 1911. Annie can be found as a boarder with a year old daughter Edith Helen, Walter is 19 and a boarder, John aged 44 is also a boarder. All at different addresses.
My father RFJ Rodgers did remarry in Birmingham - Joan May and his death was registered in Kings Lynn, Apr 2003.
Robert Frederick Rodgers [Grandfather] was not Irish.
The rationale for looking at Irish records is deducing that Kathleen was Irish, perhaps born in Derry since she was registered on the marriage certificate at 10 Long Tower Street.
However if Kathleen and Catherine Gallagher mentioned in the 1911 Census in Wexflyer's reply are the same what are the chances of finding out information on an adopted child's parents.
