Dennis John Adams was born in Kings Walden, Hertfordshire in 1890 the son of Charles Adams (B 1865 in Kings Walden) and Jane Adams (nee Izzard) (B 1865 in Kings Walden).
1901 Census records Dennis aged 11 living with his parents, sisters Violet 6, Flossie 3, brothers Bertie 5 and William 11 months, at 152 Fishpond Street, St Albans.
1911 see’s Dennis working as a Motor Tyre Repairer still living at home with his parents, sisters, Violet 16, Flossie 13, brothers Hubert (Bertie) 15, William 10, Alfred 8, Arthur 6 and Henry 2, at 116 Fishpond Street, St Albans.
Dennis Married Rosolyn M. Draper the daughter of Frederick and Louisa Draper in 1914.
His marriage records record him as John Dennis Adams. They had one daughter Sylvia May Adams born in 1915.
It is believed he lived at 13 Blacksmith Lane, St Albans, prior to his enlistment.