Ancestors in Family Tree
- I, Abiel Chase (1731-1766) - Ibsdatter, Anne (1643-1711)
- Ibsdatter, Anne (1645-) - , Ida (1858-)
- , Ida (1858-) - Iehl, Emma (1874-)
- Iehl, Hazel Gail (1906-1969) - Ihm, Johann Jacob (1813-1813)
- Ihm (1790-) - Iles, William Hall (1752-)
- Iles, William Hansford (1849-1928) - Ilsley, Prudence (1784-1859)
- Ilsley, Ruth (1726-1796) - Imlay, Mary Frances (1892-1971)
- Imlay, Mary Jane (1824-1907) - In den Hoffen, Herman (1682-1751)
- In den Hoffen, William Weylm (1677-1747) - Ingalls, George Franklin (1848-)
- Ingalls, George Henry (1869-1871) - Ingebretsdatter, Ingebor (1680-1755)
- Ingebretsdatter, Ingebor (1791-) - Ingersol, Elizabeth (1702-1769)
- Ingersol, Elizabeth (1828-1918) - Ingham, George Henry (1828-)
- Ingham, George Henry (1832-1901) - Ingles, Margaret (1826-1900)
- Ingles, Margaret (1841-) - Ingraham, E. Wallace (1844-1911)
- Ingraham, Experience (1714-1714) - Ingram, Elizabeth (1784-1854)
- Ingram, Elizabeth (1785-1855) - Ingram, Maggie Evelyn (1888-1976)
- Ingram, Maggie Jane (1848-1891) - Ingram, William (1872-1962)
- Ingram, William (1876-) - Inman, Cyrus Cordon (1839-1917)
- Inman, Daisey May (1876-1962) - Innes, Isabella (1852-)
- Innes, Isabella (1868-1945) - Insley, Mary Catherine (1861-)
- Insley, Mary Cutter (1814-1885) - Ipsen, James Christian (1870-)
- Ipsen, James Elvirus (1884-1900) - Ireland, Elisha P (1854-)
- Ireland, Eli Washington (1890-1954) - Irey, Alcinda Ann (1850-1927)
- Irey, Alice Edna (1874-) - Irminger, Jacob (1696-1701)
- Irminger, Jakob (1706-1755) - Irvin, Sarah Josephine (1896-1971)
- Irvin, Sarah Yates (1793-1860) - Irving, Margaret (1877-1970)
- Irving, Margaret (1899-1981) - Irwin, Margaret "Jennie" Jane (1840-1877)
- Irwin, Margaret K. (1848-1919) - Isaacks, Andrew Franklin (1849-1914)
- Isaacks, Andrew Haney (1909-1971) - , Isabella (1834-1879)
- , Isabella (1835-) - Isaksson, Johan Henning (1865-1951)
- Isaksson, Johan Jakob (1875-1954) - Iseli, Hans (1685-)
- Iseli, Hans (1689-) - Isham, Margaret (1876-)
- Isham, Margaret Ann (1861-1862) - Isner, Virginia (1861-)
- Isner, Walter W (1869-1966) - Israel, Maude Myrtle (1883-1969)
- Israel, Melissa (1873-) - Ivancic, Marija (1870-)
- Ivanco, Susana (1857-) - Iversen, Halvor (1793-)
- Iversen, Halvor (1826-1908) - Ivery, Edward (1741-)
- Ivery, Edwardum (1742-) - Ivey, Annie (1860-1861)
- Ivey, Annie (1874-1895) - Ivie, Rex William (1898-1982)
- Ivie, Rey Arthur (1926-1993) - , Izabelle "Izable" (1525-1592)
- , Izabel Maria (1759-) - Izzo, Serafina (1800-1883)