Wigan Genealogy

Hello I am still trying to find out about my grandfather David rigby he was registered as living at 22 spring gardens wigan when he was born in 1897.His father`s name was Thomas Rigby ,his mother`s name was Mary Jane Rigby (formerly Lester) Thomas Rigby lived at this address when David was born. My mum told me that David had 2 brothers and 2 sisters named Albert, Amelia,Helen and Jack ,i have not been able to find any info about any of them . I do know my grandfather David was living in 27 Broom road Southport when he was 13 with someone called Richard Rigby ,other than that i have no other information about him any help would be greatly appreciated Thanks Deen