Here are the Jeffery and Symes records I found in the Brent Knoll (formerly South Brent) registers on Ancestry. If you have a subscription you can check them yourself, of course, by browsing the Brent Knoll 1531-1800 register. I may well have missed some:
Baptisms
1788 March 16 John, son of Joel and Mary Symes
1789 Oct 26 William, .. .. .. ..
1791 Sept 18 Mary, dr .. .. .. ..
1793 July 28 Sarah, dr .. .. .. ..
1795 May 31 Petter sn .. .. .. ..
Burials
1771 June 28 Mr Edward Symes, Gent
1781 Edward symes surgeon (??) buried
1784 Nov 1 Betty Symes died
1794 June 9 John Symes, Gent was buried , died June 3
1796 Sarah, dr of Joel & Mary Symes buried
1797 Jane Symes widow buried
1798 Dec 22 Elizabeth Symes widow buried
1799 Sept 5 Elizabeth Symes buried
Jeffery
1681 Nov 1 William, son of William Jeffery baptised
1691 Oct 13 John son of Thomas & Elizabeth Jefferies baptised
1692?? Maud, wife of William Jeffery, yeoman, buried
1704 Jan 19 Joan?? Jeffery widdow buried
1704 Nov 10 Thomas son of Thomas & Elizabeth Jeffery buried
1704 Aug 22 William son of William & Elizabeth Jeffery baptised; buried Jan 12 1705
1705 July 13 Thomas son of Thomas & Elizabeth Jeffery baptised; buried Oct 14 1705
1752 June 1 William

of Mark and Joan Jeffery of Burnham married
Hornett records:
1784 July 4 Elizabeth dr of Robert & Martha Hornet baptised
1785 Nov 6 Ann .. .. .. .. ..
1789 Elizabeth Hornet was buried
1790 Oct 11 John son Robert & Martha Hornet baptised
1793 May 21 Isaac .. .. .. .. ..
1796 Aug 7 Elizabeth dr .. .. .. ..
1799 April 7 Robert son .. .. .. ..
Chard records:
1787 April 15 Betty dr of Richard Chard baptised
1797 Jan 17 Betsey dr .. and Sarah Chard baptised
1800 Jan 5 William son of Richard & Betty Chard baptised
No sign of Faustin Jeffery I'm afraid.
Hope it helps.