Thomas Grimston Estcourt (1775–1853), of New Park near Devizes, Wiltshire, later known as Thomas Grimston Bucknall Estcourt, was an English politician.
He was the eldest son of Thomas Estcourt, Member of the Parliament of Great Britain (MP) for Cricklade.
[1] After the death of his uncle, Harbottle Bucknall, rector of Pebmarsh, Essex, in early 1823, under the will of John Askell Bucknall, who had died in 1796, Estcourt inherited the estate of Oxhey, Hertfordshire, The will obliged him to take the name of Bucknall, he swiftly obtained permission to add his former surname to it, and was afterwards known as Bucknall Estcourt.
[1] Their sons were: Their daughters were Eleanor Anne, Georgina Charlotte (died young) and Mary Anne Harriet.
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