Hi Claire, a bit about your Great grandfathers history.
Harry Walker was born 16th October 1891 to William Thomas Walker and his wife Isabella nee Stevens, whilst William was the publican at the Cambridge Inn in north Street , Cheltenham.
1901 CENSUS
Navigation Inn, Wharf Road Kings norton.
William T Walker age 45 b Bristol, Licensed Victualer
Isabella Walker age 4 wife b Bristol
Mabel age 21 daughter.b Bristol
Arthur age 14 son b Bristol
Harry age 10 b Cheltenham
In 1911 William was the publican at the Anchor Inn , Spon Lane , West Bromwich.
In 1914 Harry married Ada Vaughan and they had a son Robert William in 1915
Harry must have married for a second time.
1939 CENsus
British Oak , Pershore road.
Harry Walker b 16th Oct 1891 Hotel manager
Gladys M Walker b 1898 Manageress
Robert W Walker b 10th june 1915
Hope this helps, Alberta