A Gazetteer of the State of New-Hampshire. 1823 states” Rev. Stephen Wescott,(SR) ordained Oct 6, 1819”

Churches and Ministers in New Hampshire p 25 lists in 1820 Stephen K Wescott as minister in Grafton NH.

Death record of son Stephen K Wescott Jr in 1896 states occupation of father Stephen K Wescott Sr  as clergyman.

1830 Fed Census for Danbury, Grafton Co, NH lists residence for Stephen K Wescott Sr.

No record of birth or death/burial for Stephen K Wescott Sr has been found.
He was allegedly married to Phebe Braley in Danbury NH 7 Sep 1811 but no record located.
Estimated date of birth about 1791.
There are many records of his son Stephen Kimball Wescott JR