Jonathan Keeler is mentioned in the history of Ferrisburg, Vermont. It says, "Jonathan Keeler came to Ferrisburg from White Plains, N. Y., and settled in the south part of the town. He was a carpenter and joiner, and aided in the erection of many of the houses now standing here. He had a family of eight children, and died in 1842, aged seventy-eight years." (http://www.rootsweb.ancestry.com/~vermont/AddisonFerrisburg....)

Vital records are difficult to get from Addison County. Quite a bit of information has been submitted for this family on the LDS FamilySearch.org, though. I can't vouch for the accuracy, but it's more data than I've been able to find anywhere else. This info has been submitted by various individuals:

Husband: Jonathan Keeler - b. 3 Sep 1764 in White Plains, Westchester, New York; d. 14 May 1845 in Ferrisburg, Addison, Vermont (note: town history says Jonathan died in 1842).
Parents: Ralph Keeler IV and Sarah Colley

WIFE #1: Margaret Field - b. 27 Jan 1768 in Ferrisburg, Addison, Vermont; d. 19 Mar 1823 in Ferrisburg, Addison, Vermont. (Parents: Anthony Field, Jr., OR Jonathan Field and Hannah Stout)
m. 27 Jan 1788

Child #1 - Anna Keeler - b. 25 Jan 1789 in Ferrisburg, Addison, Vermont; d. 1 Sep 1870.
m. Zenas Barnum - Sep 1809 in Ferrisburg, VT

Child #2 - George Albert Keeler - b. 4 Jan 1791 in Ferrisburg, Addison, Vermont; d. about 1848
m. Laura Thompson - abt 1816 in Ferrisburg, VT

Child #3 - Lot Keeler - b. 11 Jan 1793 in Ferrisburg, Addison, Vermont; d. 27 Mar 1820.
m. Patience Walker - 11 Mar 1816 in Panton, VT

Child #4 - Mary Keeler - b. 20 May 1795 in Ferrisburg, Addison, Vermont; d. abt 1840
m. Garshum Danha - abt 1820 in Ferrisburg, VT

Child #5 - Hyrum Keeler - b. 8 Dec 1797 in Ferrisburg, Addison, Vermont; d. 2 Jun 1799
unmarried

Child #6 - Jerusha Keeler - b. 31 Jul 1800 in Ferrisburg, Addison, Vermont; d. unknown
m. Elijah Smith - 21 Dec 1820

Child #7 - Margaret Keeler - b. 10 Jan 1803 in Ferrisburg, Addison, Vermont; d. 12 Jan 1894 in South Wayne, Wisconsin
m. Elias Palmer Usher - May 1827 in Lorain County, Ohio

Child #8 - Jonathan Olmstead Keeler - b. 13 Nov 1805 in Ferrisburg, Addison, Vermont; d. 26 Jul 1892
m. Patience Walker - abt 1825

WIFE #2: Lois Clark - b. 17 Aug 1788 in Addison County, Vermont; d. 7 Sep 1847. (Parents: Michael Clark and Patience _____ )
m. 11 Aug 1823 in Ferrisburg, Vermont

Child #9 - daughter Keeler - b. 25 Dec 1824; d. same day

Child #10 - son Keeler - b. May 1826; d. as a child

Jonathan Keeler appears as a head of household on the 1790, 1800, 1810, 1820, and 1830 censuses in Addison County, Vermont