Hi Mal and welcome to rootschat.
After some searching, I
think this is possibly your man but the best way to find out is to send for the birth certificate

1901 RG13; Piece: 1789; Folio: 12; Page: 16
No address given, Aldeburgh Suffolk
Robert Cady 63 yrs Bricklayer b Suffolk Buxhall
Rebecca Cady 56 yrs b Suffolk Aldeburgh
Elizabeth Cady daur single 32 yrs Servant domestic b Essex Brentford
Sophia Cady daur single 19 yrs b Suffolk Swefling
James Cady son 14 yrs Errand boy b Swefling
Joseph Cady grandson 5 yrs b Hertfordshire Bushey
(Herts has been transcribed as Herefordshire)
You could look in 1911 census to see what he was doing.
heywood
Leslie H Cady 2 yrs