His marriage record gives his birthplace as Carter Co., but his death certificate gives it as Rowan Co., and he was listed in the 1880 census of Rowan Co. as age 6.

His death certificate records Isaac Pelfrey, age 73 years 5 months 23 days, born 25 Aug 1874 in Rowan Co., Ky, died 2 Feb 1948 in Rowan Co., Ky, married, husband of Mannie Pelfrey age 73, farmer, father William Pelfrey, mother’s maiden name Sabrina Barnett, both born in Ky, cause of death arteriosterosis, informant George W. Pelfrey, Haldeman, Ky.

Rowan Co. marriage book 3, p. 42, records marriage on 7 Apr 1898 of Isaac A. Pelfrey, 23, residence Mispah, born Carter Co., father born Lawrence Co., mother born Morgan Co., and Mannie Thomas, 24, residence Mispah, born Rowan Co., father born Morgan Co., mother born Virginia. It is a second marriage for Isaac, first for Mannie. To be at residence of bride, surety by Robert Messer. No return.

1910 census of Rowan Co., Ky, Hoggtown prec., E.D. 156, page 4A, taken 20 Apr, records as family #62:
Pelfrey, Isaac, 35, farm laborer; Marian M., 36; married 12 years, 7 children, 5 living; son Dee, 11; Bertha, 10; Willie F., 8; Stella, 6; George W., 1. All born in Kentucky.