John Henry Dennis was born in Flushing on 20 Jun 1876 and joined the Royal Navy in April 1896 as a Stoker. He married Mary Selina Rogers, Aaron Roger’s sister, on 21 April 1903 in Kinsale in Ireland. By 1908 they were living in Valentine Row Callington with their baby daughter, Lavinia. In November 1915 John Henry Dennis joined HMS Wallington, a ship patrolling the icy waters around the east coast. His service certificate states:

DD* 8th February 1916 (Accidentally drowned, but no evidence to show how deceased got into the water). Verdict of Inquest “Found drowned” *Discharged Dead

South Hill Remembers Aaron Rogers | South Hill Connection (south-hill.co.uk)

Callington – Cornwall War History (cornwallfhs.com)