He was the son of Sir Richard Hoare, 1st Baronet and his second wife, Frances Ann Acland.
His sister Henrietta Anne married Sir Thomas Dyke Acland, 10th Baronet.
[5] The mansion house there had been in the Selby family for several generations, but had changed hands, and Hoare bought it from Lord Charles FitzRoy.
[12][13] On the death of the second baronet Richard in 1838, Hoare inherited the title, and the family estate at Stourhead in Wiltshire.
[14] He brought in the architect Charles Parker who had worked on the bank and added a portico to Stourhead House that had formed part of the original design.
[18] The church in Fleet Street, St Dunstan-in-the-West, over the road from the bank, was rebuilt in the 1830s, and Hugh Hoare chaired the building committee.