During the Napoleonic Wars his company Isaac Solly and Sons were principal contractors supplying hemp and timber to government dockyards.
[1] He was the son of Isaac Solly of London and Walthamstow (1725–1802) and Elizabeth Neal, from a noted family of Protestant Dissenters.
The family concern suffered a serious setback when twenty of their ships, laden with merchandise, were confiscated and taken to Copenhagen, during the Napoleonic Blockade.
was a distinguished surgeon, while Henry Solly was a social reformer and founder of working men's clubs.
His grandchildren included the social activists Adelaide Manning and Caroline Bishop,[5] who both championed kindergartens, among other causes.