Joseph Henry Blake, 1st Baron Wallscourt (5 October 1765 – 28 March 1803), was an Irish politician.
[2] In the latter year he was elevated to the Peerage of Ireland as Baron Wallscourt, of Ardfry in the County of Galway, with remainder, in default of male issue of his own, to the heirs male of the body of his father Joseph Blake.
[3] Lord Wallscourt married Lady Louisa Catherine Mary Bermingham, daughter of Thomas Bermingham, 1st Earl of Louth and his second wife, Margaret Daly, in 1784.
They had one daughter, the Honourable Anastasia Blake, who married Luke Dillon, 2nd Baron Clonbrock.
After his father's death, in 1806, Wallscourt's nephew Joseph Henry Blake, son of Captain Ignatius Blake and Helen Cashel, was allowed to succeed in the title.