Just one piece of paper mis-filed in the CLA section of the WW1 Service Records (WO 363), but as it is quite informative (exact dates of marriage/birth) it may save on buying certificates!:

William Robert HEAD, joined the E Kents in April 1917, declared age 27y 1m. Went on to serve with E Surreys, Suffolks (Regt No 67162) & Labour.

Home address: Westhorpe, Stowmarket.
Married Margaret WRIGHT in Finningham, 1911.
Children: Horace George WRIGHT 1907, John William 1911, Walter Edward 1913, Fred Ernest 1916, Robert George 1919.

Anc****y, CLA, pages 199705-199706