M, #4299, b. 1827, d. 21 February 1895
| Birth* | 1827 | Isaac N Underwood 1827-1895 was born in 1827. |
| (InHomeOf) Census1850 | 1850 | He appeared on the 1850 census in the household of Isaac Underwood (1796 PA - 1876) marr Nancy Garner, Page 029b #452-403, 13th District, Doddridge Co., West Virginia. His info on the census included - Underwood, Isaac 23 b.VA. |
| Marriage* | 3 October 1854 | Isaac N Underwood 1827-1895 married Mary Yeater, daughter of Benjamin Yeater and Sarah Underwood, on 3 October 1854 at Doddridge Co., West Virginia, Doddridge marr bk 1A pg 112 (3 Oct 1854) & 1B (17 Oct 1854) - she's age 21. |
| Census1860* | 1860 | Isaac N Underwood 1827-1895 appeared on the 1860 census as the head of household, pg 148 #1020-1020, Shirley Post Office, Tyler, West Virginia, along with Mary Yeater, Milton Underwood and Ruth A Underwood . His info on the census included Underwood, Isaac 33 b.VA farmer $4000-$721. |
| Census1870* | 1870 | Isaac N Underwood 1827-1895 appeared on the 1870 census as the head of household, page 35, McClellan Twnshp, Doddridge Co., West Virginia, along with Mary Yeater, Ruth A Underwood, Milton Underwood, Hattie Underwood, Mary "Molly" Underwood and Maude or Martha Underwood . His info on the census included Underwood, Isaac Jr 43 b.VA farmer no $land (next door to father and to Peter & Rhuhanah Ash.) |
| Census1880* | 1880 | Isaac N Underwood 1827-1895 appeared on the 1880 census as the head of household, ED 119 pg 323 #3-3, McClellan Twnshp, Doddridge Co., West Virginia, along with Mary Yeater, Milton Underwood, Mary "Molly" Underwood, Hattie Underwood and Maude or Martha Underwood. His info on the census included Underwood, Isaac N 53 b.VA farmer. |
| Death* | 21 February 1895 | Isaac N Underwood 1827-1895 died on 21 February 1895 at Doddridge Co., West Virginia, Death bk 1 pg 87. |