Denis Leonard Allan Osborne
Timeline
Event Date Location
Birth 26 February 1918 Leigh-on-Sea, Essex
War Census 29 September 1939 4 Norfolk Avenue,  Leigh-on-Sea, Essex
Married Doris Jan-Feb-Mar 1940 Rochford, Essex
Death 29 November 1944 At Sea (see More Information)
Personal Details
Occupation Coal Hoist Labourer (1939)
More Information:
Denis was a Leading Seaman of the Royal Naval Patrol Service serving on HMS MMS 101.  The ship was sunk by a mine.  I have found one record that states the ship was a minesweeper.