The records to which Susan referred which show he was born in 1909 at Ladybarn, Manchester, were probably from the 1911 census. Genes Reunited has:
Name William Henry Cleaver Wylde
Relationship to Head of Household Son
Gender M
Age 2
Estimated Year of Birth 1909
Occupation Juvenile
Employed N
Working at Home N
Place of Birth Ladybarn Manchester Lancs
Nationality British
Enumerator Information
Address 17 Egerton St Withington
Parish South Manchester
Town Withington
Type of Building Private House
Number of Rooms 4
Inhabited Y
Reference RG14PN23690 RG78PN1377 RD464 SD1 ED33 SN154
Administrative County Lancashire
Registration District Chorlton
Registration Sub District Didsbury
Enumeration District 33
Reference Information
Folio 311
Page 1
Piece 23690
RD number 464
SD number 1
ED number 33
Schedule 154
...

Sue