Harry was born in 1903 in Stow registration district, Suffolk. No maiden name is given for his mother on his birth registration which suggests he was an illegitimate child.
Harry may have been born 20 May 1903 and married May Jackson living in Leeds (1939 register).
married May Jackson daughter of blacksmith Herbert Jackson on 31 October 1925 at Pontefract, Yorkshire. Harry was a private in the York and Lancs Regiment who was living at the barracks in Pontefract
no father's name given on marriage record
appears in the National School Admission Registers & Log-Books 1870-1914 at Stowmarket, Suffolk in 1906 (via FindMyPast search result only - record not seen)
NOT the Harry Punchard in Brighton on 1911 census.
↑ England & Wales General Register Office, GRO Online Index - Birth (https://www.gro.gov.uk/gro/content : accessed 23 Oct 2021), database entry for PUNCHARD, HARRY (Mother's maiden surname: - ). GRO Reference: 1903 J Quarter in STOW Volume 04A Page 1000.