Hello & a warm welcome to Rootschat

This looks to be Sidney
Sidney Frank Stannett born 17 Mar 1901
Baptism Date: 18 Apr 1901 Chertsey, St Peter
Father: Harry Stannett occ Labourer
Mother: Edith Stannett
details from Surrey, England, Church of England Baptisms, 1813-1912
Sydney Frank Stannett born 17 Mar 1901
Residence Date: 9 Apr 1917
Age: 16
Station: Slough
Company: Great Western
Description: Nos.15251-15500 [c.1915-1916] Registers of drivers and firemen, showing date of entering service, promotions, type of work, fines etc.
details from UK, Railway Employment Records, 1833-1956
Sidney F Stannett Spouse: E M Dean
Oct-Nov-Dec 1922 Uxbridge Middlesex Volume 3a Page 110
Sydney Frank Stannett died age 76 born 17 Mar 1901
Date of Registration: Jun 1977
Registration district: Chiltern and Beaconsfield
Volume: 19 Page: 0944
The above details I found on Ancestry - do you have a subscription?