Most of this information comes from Lloyds Register of Yachts and from previous owners. There is uncertainty about some of the dates, the register was published annually and a change of ownership can appear in it quite late.

1915 - designed/built by A.R. Luke & Sons, Hamble
1920 - completed [?] by Camper & Nicholsons, Gosport

1921 - Pampa III - T.W. Simpson [registered Portsmouth]
1923 - Doris - H.H. MacLean, Bursledon, Hampshire [registered Portsmouth]
1929 - Doris / Grey Mist - W.E. Willson, Dorking, Surrey
1930 - Grey Mist - W.G. Verdon Smith CBE, Long Ashton, Bristol [Bristol]
1934 - Grey Mist - Philip E. Shepherd, London
1935 ? Grey Mist - W.P. Allen
1935 ? Cupid - Lord Brocket (Arthur Ronald Nall-Cain) [Invernesshire]
1936 - Glala - Sir Alan Cobham [not registered]
1938 - Glala - Thomas Needham FCS JP [registered London]
1938 - Glala - AEC Ltd

1939 - Glala - requisitioned [Boom Defence, Sheerness]
1941 - disclassed, Case No 1214
1941 - Glala - [Hospital Tender, Belfast]
1942 - Glala - compulsorily acquired
1943 - Glala - [National Fire Service, Liverpool]
(still owned by H.M. Government in 1947)

1948 - Glala - Royston G. Baker, London
1951 - Glala - F.R. Lloyd
1952 - Glala - Peggy Lloyd (Mrs Margaret H. Baker)
1959 - Glala - Lt Jack Marshall RNR, Swanage, Dorset
1960 - Glala - ditto with joint owners
1962 - Glala - R.F. Stuttle
1979 - Glala - Ray J. Linnington [St Denys, Southampton]
1988 - Glala - Paul Nachman & Adrian Wynter [Woolston, Southampton]
2000 ? Glala - Adrian Wynter [Brighton]
2002 - Mahalia - Adrian Wynter [Brighton]
2003 - Mahalia - Thomas Hodge [Ipswich]
2007 - Glala - Simon F. Richardson [Ipswich]

Registrations

Lloyds Register No. 144471
Register of Historic Vessels No. 1998
Call Sign MGSE5
MMSI 235022662

Small Craft Service List, Ministry of War Transport, 1944

GLALA, Motor Yacht, built 1915, Net Tonnage 44

  .10.39  -    . 6.41(S)  Boom Defence         R(T98B)   £54.10.0
  . 6.41  -  26. 5.42     Miscellaneous Naval  R(T98B)
25. 5.42  -    .10.43     Miscellaneous Naval  CA
  .10.43  -               Fire Service         CA

R (T98B); requisitioned
CA; compulsorily acquired
£54.10.0 is a hire fee, per month.

Red List ADM208/3

Minor War Vessels in Home Waters as of 4pm 15/09/1940.
Nore Command, Sheerness.
...
Harbour Defence Patrol Craft:
Mona's Isle, Aisha, Amalfi, Caleta, Caterina, Chrystobel II, Clorinde, Glala, Majesta, Ma Joie II, and Janetha IV
Boom Defence Vessels:
Buckingham, Caliban, Sarba, Thomas Connolly, Bownet ...

John Alexander Dow

Royal Navy career
04-10-1938 Joined RNVR (Clyde Division), prob. Midshipman
21-10-1939 Commanding Officer, Glala (harbour defence motor yacht)
11-01-1940 Sub-Lieut.
28-08-1940 HMS Veteran (destroyer, lost to a u-boat 27-09-42)
01-03-1942 Lieut.
05-01-1943 HMS Orlando (RN base, Greenock) (flotilla duties as torpedo officer)
??-04-1946 HMS Vernon (torpedo and anti-submarine establishment, Brighton)