Executors of John Dalzell claimed unsuccessfully the compensation for the Coubaimarou estate on St Vincent.
December 10 1829. Died at St Vincent on the 11th October last, aged 44 years, the Hon John Dalzell Colonel of Militia, Senior Assistant justice, Speaker of the House of Assembly, an eminent merchant in that island.'
Daughter of "free Mulatto" lodging-house-keeper Jane Charlotte Beckford (c. 1759-1825); possibly the daughter of George Ffrench, Clerk to the Jamaica Assembly. Spinster; independently wealthy slave-owner.