I can probably help with this. The Deacons were a prolific East Ilsley family, and there were three James Deacons listed in the 1831 Notes On Parishioners, see
http://www.rootschat.com/forum/index.php?topic=459879.0Deacon, James Clerk*. Married, journeyman carpenter), both good characters.Bpt. 5 Apr 1772, s/o Crispin & Jane. Married Sarah Harris 2 Nov 1799. Bd. 17 Oct 1850 aged 78.
Sarah Harris bpt. 1 Apr 1775, d/o Robert & Mary. Bd. 29 Jan 1837 aged 61.
*James Deacon was the Parish Clerk and his name often appears as a witness in the parish register.
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Deacon, James (son of the above)
Keeper to Mr. Williams. 3 girls, 1 boy. Very fair character, wife a blunt manner but fair character.Bpt. 14 Sep 1800, s/o James & Sarah. Married Elizabeth Hearne 25 Nov 1822. Bd. 6 Dec 1882 aged 82.
Elizabeth Hearne bpt. 24 Feb 1804, d/o David & Sarah. Bd. 16 Mar 1868 aged 65.
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Deacon, James Gardener. 5 boys, 3 girls. Very decent character, works hard for his family.Bpt. 15 Apr 1787, s/o William* & Elizabeth. Married (1) Sarah, (2) Hannah Binham (b. Mixbury) 18 Feb 1849. Bd. 20 Jun 1874 aged 87.
Sarah was bd. 18 Aug 1840 aged 49.
*William was a brother of James Deacon senior - parents Crispin & Jane. So the two younger James Deacons were first cousins.
The comments in italics are the curate's notes! The children mentioned would be those living at home when he made his little census.
The baptism/marriage/burial dates are all from East Ilsley PRs.
I can probably sort out their respective children from the PRs. Does this help?