Lieutenant-Colonel Sir Henry Mulleneux Grayson, 1st Baronet, KBE, KStJ (26 June 1865 – 27 October 1951) was an English shipbuilder.
He entered the family shipbuilding and ship-repairing firm, H. & C. Grayson Ltd, which had been founded on the River Mersey in 1760 and of which his father was managing director.
[4] He succeeded his father on the latter's death in 1904 and was also managing director of the Garston Graving Dock & Shipbuilding Co Ltd.[5] In 1914 he became a member of the Shipbuilders' Advisory Committee to the Admiralty, and in 1916 was appointed Director of Ship Repairs (Home), a post he held until 1919, with a commission in the Royal Marines.
[8][9] In 1918 he was elected to Parliament as Conservative member for Birkenhead West and served until 1922 when he was succeeded by William Henry Stott.
[10] Before their divorce in 1927, they were the parents of twelve children,[5] including:[1] His second marriage was to Louise Mary Delany, daughter of Richard John Delaney, on 20 December 1927.