| Name | Birth date | Birth location | Death date | Death location |
| Aaron Holbrook | August 31, 1730 | Bellingham, Norfolk, Co. Massachusetts | April 15, 1818 | Bellingham, Norfolk, Co. Massachusetts |
| Abel H. "Deacon" | 1653 | Huntington, Suffolk Co., New York | May 30, 1747 | Derby, New Haven, Connecticut |
| Abel Holbrook | Abt. 1685 | | Unknown | |
| Abiah Holbrook | 1695 | Weymouth, Norfolk Co., Massachusetts | Unknown | |
| Abiezer Holbrook | Bef. 1652 | Weymouth, Norfolk Co., Massachusetts | 1671 | |
| Abiezer Holbrook | May 7, 1689 | Weymouth, Norfolk Co., Massachusetts | February 17, 1761 | Weymouth, Norfolk Co., Massachusetts |
| Abigail Holbrook | March 26, 1648 | Dorchester, Massachusetts | WFT Est. 1666-1742 | Derby, Connecticut |
| Abigail Holbrook | May 13, 1669 | Roxbury, Suffolk, Co. Massachusetts | WFT Est. 1670-1763 | |
| Abigail Holbrook | August 27, 1674 | Dorchester,Suffolk Co., Massachusetts | Unknown | |
| Abigail Holbrook | August 17, 1697 | | Unknown | |
| Abigail Holbrook | 1719 | | Unknown | |
| Abigail Holbrook | September 2, 1783 | Milford, Massachusetts | November 7, 1818 | Bellingham, Norfolk, Co. Massachusetts |
| Abner Holbrook | March 9, 1741 | Weymouth, Norfolk, Massachusetts | May 31, 1788 | Weymouth, Norfolk, Massachusetts |
| Abner Holbrook | June 21, 1762 | Brimfield, Hampdem, Co.Massachusetts | Unknown | |
| Abner Holbrook | December 26, 1767 | | Unknown | |
| Abner Holbrook | January 21, 1772 | | Unknown | |
| Abram Holbrook | Abt. 1805 | | Unknown | |
| Abram Holbrook | September 5, 1807 | Alburg, Grand Isle, Vermont | Unknown | |
| Ada Holbrook | November 13, 1874 | Warsaw, Indiana | August 2, 1886 | Warsaw, Indiana |
| Adam Holbrook | August 4, 1750 | Weymouth, Norfolk, Massachusetts | Unknown | |
| Albert W. Holbrook | February 5, 1913 | Orchard, Antelope Co., Nebraska | June 2, 1983 | O' Neill, Holt Co., Nebraska |
| Alberta J. Holbrook | Private | | | |
| Aletta P. Holbrook | Abt. 1871 | | Unknown | |
| Alice D. Holbrook | February 8, 1869 | Warsaw, Indiana | January 13, 1872 | Warsaw, Indiana |
| Alice Holbrook | February 14, 1710 | Mendon, Worchester Co., Massachusetts | WFT Est. 1711-1804 | |
| Alice P. Holbrook | November 1, 1894 | Hay Springs, Dawes Co., Nebraska | June 23, 1982 | Lincoln, Lancaster Co., Nebraska |
| Alta A. Holbrook | October 8, 1899 | | Unknown | |
| Amariah E. Holbrook | December 29, 1837 | La Porte, Indiana | August 24, 1902 | Warsaw, Indiana |
| Amariah Holbrook | March 2, 1747 | Uxbridge, Worcester Co. Massachusetts | January 20, 1817 | |
| Amariah Holbrook | December 10, 1749 | Brimfield, Worchester Co., Massachusetts | July 5, 1799 | Washington Co. New York |
| Amariah J. Holbrook | June 24, 1880 | Warsaw, Indiana | June 27, 1897 | Warsaw, Indiana |
| Amariah W. Holbrook | September 20, 1804 | Sandy Hill, Washington, Co., New York | October 24, 1876 | Warsaw, Indiana |
| Amasa Holbrook | March 3, 1771 | | Unknown | |
| Amasa Holbrook | February 24, 1811 | | Unknown | |
| Amos Holbrook | January 23, 1754 | | WFT Est. 1755-1844 | |
| Amy Holbrook | October 26, 1806 | | June 1846 | Madison Lakes County, Ohio |
| Angus F. Holbrook | June 26, 1907 | Warsaw, Indiana | October 14, 1970 | Warsaw, Indiana |
| Ann Holbrook | 1628 | St. Johns, Glastonbury, Somerset, England | July 3, 1699 | New London, Connectiicut |
| Ann Holbrook | 1648 | Weymouth, Norfolk Co., Massachusetts | Unknown | |
| Anna E. Holbrook | January 26, 1884 | Kosciusko, County, Indiana | Unknown | |
| Anna Holbrook | March 14, 1741 | Pomfret, Windham Co., Connecticut | Unknown | |
| Anna Holbrook | March 14, 1768 | Pomfret, Windham Co., Connecticut | Unknown | |
| Antoinnette A. Holbrook | January 16, 1834 | Braintree, Norfolk Co., Massachusetts | October 12, 1868 | |
| Appleton Holbrook | July 25, 1766 | | Unknown | |
| Artemas Holbrook | February 27, 1763 | | Unknown | |
| Arthur C. Holbrook | November 1, 1891 | Clearwater, Antelope Co., Nebraska | May 27, 1967 | Lincoln, Lancaster Co., Nebraska |
| Asa Holbrook | March 26, 1757 | Bellingham, Norfolk Co., Massachusetts | March 27, 1792 | Bellingham, Norfolk Co., Massachusetts |
| Asahel Holbrook | January 3, 1717 | Mendon, Worchester Co., Massachusetts | WFT Est. 1719-1808 | |
| Augustus Holbrook | Bet. 1833 - 1834 | Isle LaMotte, Grand Isle, Vermont | Unknown | |
| Autumn Holbrook | Private | | | |