| Individual's Name | Birth Date | Death Date | | Barnhart, Amanda | | |
| Barnhart, Andrew Jackson | 7 SEP 1867 | 21 FEB 1868 |
| Barnhart, Anna | 1801 | 1873 |
| Barnhart, Bella Blanche | ABT JUN 1869 | 23 DEC 1953 |
| Barnhart, Betty | | |
| Barnhart, Bobbi B. | | |
| Barnhart, Carrie May | ABT 1871 | 6 OCT 1958 |
| Barnhart, Catherine | 17 FEB 1795 | 10 MAY 1879 |
| Barnhart, Catherine Jane | | |
| Barnhart, Charlota | | |
| Barnhart, Connie | | |
| Barnhart, Crissie | | |
| Barnhart, Elizabeth | 1793 | |
| Barnhart, Elizabeth | 08 APR 1751 | |
| Barnhart, Elizabeth | | |
| Barnhart, Elizabeth | | |
| Barnhart, Elizabeth L. | ABT 1833 | |
| Barnhart, G. Smith | ABT 1828 | |
| Barnhart, Gerald F. | | |
| Barnhart, Harry Oliver | | |
| Barnhart, Harry Philip | 26 AUG 1883 | 24 JUL 1943 |
| Barnhart, Henry | | |
| Barnhart, Henry | 1754 | |
| Barnhart, Henry L. | | |
| Barnhart, Henry W. | 1785 | 4 SEP 1873 |
| Barnhart, Isabel Blanche | 10 NOV 1899 | |
| Barnhart, Jacob | 20 MAY 1783 | 10 OCT 1874 |
| Barnhart, Jacob | 2 APR 1749 | |
| Barnhart, Jacob | 1713 | 01 OCT 1784 |
| Barnhart, James Kinports | | |
| Barnhart, John | | |
| Barnhart, John Holt | 10 DEC 1906 | |
| Barnhart, John Holt | 03 AUG 1818 | 20 AUG 1886 |
| Barnhart, John Holt | ABT 1876 | ABT 1930 |
| Barnhart, John Philip Sebastian | 24 JUL 1757 | 03 APR 1844 |
| Barnhart, Jon P. | | |
| Barnhart, Julia | | |
| Barnhart, Julia Ann | | |
| Barnhart, Julia C. | 12 MAY 1852 | 29 JAN 1894 |
| Barnhart, Julia M. | 7 AUG 1878 | 19 APR 1900 |
| Barnhart, Louise St. Clair | | |
| Barnhart, Lucy | | |
| Barnhart, Margaret Ellen | 13 OCT 1873 | 5 APR 1942 |
| Barnhart, Margaret Ellen | 6 MAY 1909 | |
| Barnhart, Martha Jane | 6 NOV 1901 | |
| Barnhart, Mary | 1797 | 13 DEC 1871 |
| Barnhart, Mary Arthur | 8 AUG 1905 | |
| Barnhart, Mary Catharine | 12 FEB 1866 | 26 SEP 1931 |
| Barnhart, Mary Isabella | | |
| Barnhart, Mildred | 11 OCT 1881 | 26 SEP 1902 |
| Barnhart, Nancy Ellen | 10 MAR 1933 | 7 MAR 2015 |
| Barnhart, Nancy Patterson | 19 APR 1820 | 19 SEP 1858 |
| Barnhart, Philip Antes | | |
| Barnhart, Philip N. | | |
| Barnhart, Philip W. | 13 APR 1813 | 4 NOV 1896 |
| Barnhart, Rebecca Leathers | | |
| Barnhart, Robert Cline | 18 OCT 1903 | |
| Barnhart, Robert Cline | | |
| Barnhart, Robert Cline | | |
| Barnhart, Roger Krueger | 1 JAN 1932 | |
| Barnhart, Ronald Holt | 6 JAN 1928 | |
| Barnhart, Roni B. | | |
| Barnhart, Sara Milliken | | |
| Barnhart, Sarah | | |
| Barnhart, Sarah | ABT 1831 | |
| Barnhart, Sarah Edith | 25 JAN 1872 | 12 APR 1932 |
| Barnhart, Sophia | 1787 | 1866 |
| Barnhart, Susan | | |
| Barnhart, Susan | | |
| Barnhart, Vernia | | |
| Barnhart, Warren | | |
| Barnhart, __ | 7 AUG 1878 | 14 AUG 1878 |