'Capt. JOSEPH, b. in Litchfield, Feb. 15, 1771; ... On the 17th Feb., 1805, he was married in Ascott, Lower Canada, to Phebe Adams, daughter of Eliphalet Adams, of Hartford, Conn.; ...'
According to Wikipedia, Ascot is a former town in Quebec, now part of Mont-Bellevue, an arrondissement (borough) of the city of Sherbrooke, Quebec.
'Children of ELIPHALET5, (1756) [159] ... and Patience (Rice) Adams; res. Cambridge, N. Y. ... 388. ii. PHEBE6, b. in Cambridge, May 31, 1781; m. Feb. 17, 1805, at Acton, Ont., Joseph H. Kilborn, b. in Litchfield Co., Conn., Feb. 15, 1771 ; d. 15 Nov., 1814. She d. at Okomos, Ingraham Co., Mich., 33 Jan.. 1864.'
The typos in the last sentence are as in the ancestry.com database.