Probably the Alexander Henry of Alexander Henry & Co. (q.v.), West India merchant of London with a partnership in Kingston, who was bankrupt in 1811.
An Alexander Henry Master of the Workhouse died Q4 1837 Rotherhithe and was buried 17/11/1837 at St Mary Rotherhithe aged 61.
Alexander Henry junior Clerk of the Company for Imperial Gas Light and Coke Company, 10 Coleman Street October 21 1828; simply 'Alexander Henry' 1847 in the same role.
Ancestry.com, London, England, Deaths and Burials, 1813-1980 [database online].
London Gazette, Issue 18518, 28/10/1828, p. 1954; London Gazette, Issue 20759, 27/07/1847, p. 2761.
£225 16S 3D
£214 1S 2D
Alexander Henry and Co.
West India merchant