His birth year range is based upon age in 1820 census.
Floyd Co., KY Deeds (Grantor) - none for McClintick. (SV-1487)
1815 Floyd Co., KY Deed (Grantee): John McClintick bought 67 ac. on Licking River from Philemon Thomas (Bk A pg 308). (SV-1488)
1815 Floyd Co., KY Deed (Grantee): Samuel McClintick bought 71 ac. on Licking River from Philemon Thomas (Bk A pg 343). (SV-1488)
1815 Floyd Co., KY Deed (Grantee): Hezekiah McClintick bought 79 ac. on Licking River from Philemon Thomas (Bk B pg 151). (SV-1488)
1820 Floyd Co., KY census, page 8: Males/Females: John McClintick, 1 Male 26-45 (John); 1 Female 16-25 (wife, Sally, aged 22). (Ancestry.com)
1820 Floyd Co., KY Census, page 4: John Montgomery, aged 26-45; 2 Females (<10) & 1 Female (16-25). Ancestry.com - this must not be him since he married in 1818
1830 KY Census: Only John McClintick or McClintock in KY is in Bourbon Co.: 2 Males (40-50); 2 Females (<5); 2 Females (5-10); 1 Female (10-15); 1 Female (30-40); 1 Female (80-90). Ancestry.com
1840 KY Census: No John or Sally McClintick or McClintock listed. Ancestry.com
Is this him?? 1840 U.S. Census (Ancestry.com): John McClintock (50-60) living in Nevins, Vigo Co., IN with: 1 Male (<5); 1 Male (10-15); 2 Females (5-10); 1 Female (10-15); 1 Female (15-20) and 1 Female (40-50).
Is this him?? 1850 U.S. Census (Ancestry.com): John McClintick (64 VA) living in Nevins, Vigo Co., IN with wife, Sarah (52 TN) and 3 kids: Eliza N. (26 KY); Cynthia A. (17 IN) and John M. (11 IN).
1860-1905 Magoffin Co., KY (Grantors & Grantees): No McClintick listed. (SV-1493 & SV-1494)