THALASSA OWNERSHIP
 1903  Keel laid by Sibbick
 1906  Completed by Fay of Southampton
 1908  H Wilford of Ryde, Isle of Wight
 1909/11  I Swinnerton Dyer of Craven Arms, Salop
 1912/18  S Garrett of Marylebone, London W1
 1919/20  Capt H C and Mr C B Game of Broadway, Worcs
 1921/23  F Wilmot-Sitwell of Beaulieu, Hants
 1921  First Engine Fitted. 2 cy 4"-5" Atlantic Engine Co, Wishaw
 1924/25  Lieut-Colonel Hawkes of Crosshaven, Ireland
 1926/29  J C Ponsonby of Lymington, Hants
 1929  Engine Fitted 2 cy 31/2"- 41/2" Thorneycroft
 1930/33  A Rosling of Weybridge, Surrey
 1934/35  G Napier-Martin of Havant, Hants
 1934  Engine Fitted 4cy 21/2"-4" Parsons. Also Electric Light
 1936/66 Alan Bostock Baker of West Mersea, Essex
 1967/  Richard and Vivian (3rd Daughter of Alan Baker) Sewell of Dun Laoghaire and then London