| | Database Title | Category | | Names |
|---|
 | Kane Daily Republican, The (Kane,Pennsylvania) | Newspapers and Periodicals | | 28,205 |
 | Kane Leader, The (Kane,Pennsylvania) | Newspapers and Periodicals | | 1,488 |
 | Kane Republican, The (Kane,Pennsylvania) | Newspapers and Periodicals | | 22,014 |
 | Kane Weekly Blade, The (Kane,Pennsylvania) | Newspapers and Periodicals | | 6,099 |
 | Kansas 1930 US Census Index | Census and Voter Lists | | 1,882,114 |
 | Kansas State University - Royal Purple Yearbook | Directories and Lists | | 88,773 |
 | Kansas Territorial Settlers of 1860: Who Were Born in Tennessee, Virginia, North Carolina and South Carolina | Social, Regional and General History | | 23,475 |
 | Karen Jackman Asthon 12 Generations (compiled by V.Ben Bloxham) | Birth, Marriage and Death Records | | 8,510 |
 | Kate Field | Social, Regional and General History | | 16,719 |
 | Kate Rice Prospector | Social, Regional and General History | | 4,117 |
 | Kearl Family History. Biographies of James Kearl (1833-1902), His Wives and Posterity | Social, Regional and General History | | 39,551 |
 | Keating and Forbes Families and Reminiscenses of C. A. Keating, A. D. 1758 - 1920 | Social, Regional and General History | | 9,655 |
 | Keble College Register, Oxford | Directories and Lists | | 37,259 |
 | Keene Family History and Genealogy | Birth, Marriage and Death Records | | 17,431 |
 | Kegley's Virginia Frontier | Miscellaneous Records and Reference | | 63,299 |
 | Keith Genealogy | Social, Regional and General History | | 20,890 |
 | Kemps of Ollentigh and Kemps of Poole | Birth, Marriage and Death Records | | 4,901 |
 | Kempton Courier (Kempton,Indiana) | Newspapers and Periodicals | | 33,343 |
 | Kendall Genealogy: the Descendants of Thomas and Francis Kendall of Charlestown and Woburn, Massachusetts | Social, Regional and General History | | 530 |
 | Kenderdines of America | Social, Regional and General History | | 14,090 |
 | Kent Family Record | Social, Regional and General History | | 849 |
 | Kent Genealogy | Social, Regional and General History | | 5,182 |
 | Kent Parish Registers | Birth, Marriage and Death Records | | 9,743 |
 | Kentuckians in Illinois | Birth, Marriage and Death Records | | 27,190 |
 | Kentuckians in Missouri: Including Many Who Migrated by Way of Ohio, Indiana, or Illinois | Social, Regional and General History | | 17,267 |
 | Kentuckians in Ohio and Indiana | Social, Regional and General History | | 18,476 |
 | Kentucky [Court and Other] Records: Volume 2: Wills, Deeds, Orders, Suits, Church Minutes, Marriages, Old Bibles and Tombstone Records | Birth, Marriage and Death Records | | 33,006 |
 | Kentucky 1930 US Census Index | Census and Voter Lists | | 1,567,575 |
 | Kentucky Colonization in Texas: A History of the Peters Colony | Social, Regional and General History | | 9,669 |
 | Kentucky Court and Other Records: Volume I: Early Wills and Marriages, Old Bible Records and Tombstone Inscriptions | Birth, Marriage and Death Records | | 32,987 |
 | Kentucky Death Records 1900 - 1999 | Birth, Marriage and Death Records | | 2,620,652 |
 | Kentucky in the War of 1812 | Military Subjects | | 7,588 |
 | Kentucky Pension Roll for 1835: Report from the Secretary of War, in Relation to the Pension Establishment of the United States | Military Subjects | | 4,161 |
 | Kentucky Pioneer and Court Records | Miscellaneous Records and Reference | | 36,118 |
 | Kentucky Pioneer and Court Records: Abstracts of Early Wills, Deeds, and Marriages | Court, Land, and Probate Records | | 43,805 |
 | Kentucky Soldiers of the War of 1812 | Military Subjects | | 67,545 |
 | Kerfoot, Kearfott, and Allied Families in America | Social, Regional and General History | | 12,663 |
 | Kerrville Mountain Sun (Kerrville,Texas) | Newspapers and Periodicals | | 23,405 |
 | Kerrville Mountain Sun and Advance, The (Kerrville,Texas) | Newspapers and Periodicals | | 13,005 |
 | Kerrville Mountain Sun, The (Kerrville,Texas) | Newspapers and Periodicals | | 2,430 |
 | Ketcham Family History: The Descendants of John Ketcham and His Wife, Sarah Matthews, of Mount Hope Township | Birth, Marriage and Death Records | | 7,982 |
 | Kettenring Family | Social, Regional and General History | | 107,480 |
 | Kettenring Family in America | Birth, Marriage and Death Records | | 39,121 |
 | Key and Allied Families | Social, Regional and General History | | 65,356 |
 | Key to the Ancient Parish Registers of England and Wales | Miscellaneous Records and Reference | | 18,858 |
 | Kilpatrick and Our Cavalry: Comprising A Sketch of the Life of General Kilpatrick | Miscellaneous Records and Reference | | 1,401 |
 | Kimball-Weston Memorial: The American Ancestry and Descendants of Alonzo and Sarah (Weston) Kimball of Green Bay, Wisconsin | Social, Regional and General History | | 7,314 |
 | Kincheloe, McPherson and Related Families: Their Genealogies and Biographies | Birth, Marriage and Death Records | | 90,643 |
 | King and Queen County, Virginia | Social, Regional and General History | | 16,272 |
 | King Genealogy Clement King of Marshfield, Massachusetts, 1668 and His Descendants | Social, Regional and General History | | 3,942 |
 | King George County, Virginia 1720 - 1990 | Social, Regional and General History | | 16,253 |
 | King's County News (Hampton, New Brunswick, Canada) | Newspapers and Periodicals | | 150,378 |
 | King's Men: The Soldier Founders of Ontario | Military Subjects | | 22,011 |
 | Kingsbury and Allied Families: A Genealogical Study with Biographical Notes | Social, Regional and General History | | 14,153 |
 | Kingsbury Genealogy: The Genealogy of the Descendants of Joseph Kingsbury of Dedham, Massachusetts | Birth, Marriage and Death Records | | 37,645 |
 | Kingsbury-Bush: American Ancestry of Wayland Briggs Kingsbury, Son of Joseph B. and hannah Brown Kingsbury of Windham Co. Vt. and Osage, Iowa; and Flora Jane Bush Kingsbury, Daughter of Alva and Eliza Moore Bush of Chautauqua Co. N.Y. and Osage, Iowa | Social, Regional and General History | | 6,543 |
 | Kingsley Family | Social, Regional and General History | | 292 |
 | Kingsley Genealogy | Birth, Marriage and Death Records | | 2,919 |
 | Kingston Chronicle and Gazette (Kingston, Ontario, Canada) | Newspapers and Periodicals | | 680,559 |
 | Kingston Daily News (Kingston, Ontario, Canada) | Newspapers and Periodicals | | 398,871 |
 | Kingston Parish Register: Gloucester and Mathews Counties, Virginia, 1749 - 1827 | Social, Regional and General History | | 10,231 |
 | Kinkade Genealogy, 1932 | Social, Regional and General History | | 785 |
 | Kit Carson County, Colorado Births, 1892-1907 | Birth, Marriage and Death Records | | 540 |
 | Kit Carson County, Colorado Deaths, 1893-1907 | Birth, Marriage and Death Records | | 94 |
 | Kit County, Colorado Pensions, 1933-1936 | Directories and Lists | | 285 |
 | Kith and Kin Containing Genealogical Data of the Following Families: Dixon, Andrus, Battin, Beal, Bosworth, Chapin, Converse, Copeland, Cummins... | Social, Regional and General History | | 7,134 |
 | Kleppinger-Clippinger; Klepinger Family History | Social, Regional and General History | | 27,566 |
 | Klopfenstein Family Record: The Chronology of the Descendants of Michael Klopfenstein | Social, Regional and General History | | 4,268 |
 | Knap, Knapp Family Genealogy | Social, Regional and General History | | 1,785 |
 | Knauss Genealogy | Birth, Marriage and Death Records | | 17,065 |
 | Knickerbocker's History of New York (1887) | Miscellaneous Records and Reference | | 10,328 |
 | Knights of Edward I, Notices Collected by C. Moor, Volume 1 | Birth, Marriage and Death Records | | 24,833 |
 | Knights of Edward I, Notices Collected by C. Moor, Volume 2 | Birth, Marriage and Death Records | | 23,965 |
 | Knights of Edward I, Notices collected by C. Moor, Volume 3 | Birth, Marriage and Death Records | | 21,979 |
 | Knights of Edward I, Notices collected by C. Moor, Volume 4 | Birth, Marriage and Death Records | | 25,024 |
 | Knights of Edward I, Notices collected by C. Moor, Volume 5 | Birth, Marriage and Death Records | | 24,453 |
 | Known Military Dead During the American Revolutionary War, 1775 - 1783 (Free until 30 Nov 2009) | Military Subjects | | 14,957 |
 | Known Military Dead During the War of 1812 | Military Subjects | | 5,983 |
 | Knox Genealogy: Descedants of William Knox and of John Knox of the Reformer | Social, Regional and General History | | 1,975 |
  | Knox Memorial: Descendants of William Knox, Who Died 1778, Berkeley County, Virginia | Social, Regional and General History | | 21,781 |
 | Kokomo Tribune (Kokomo,Indiana) | Newspapers and Periodicals | | 2,253,681 |
 | Koon and Coons Families of Eastern New York | Birth, Marriage and Death Records | | 40,876 |
 | Korean War Casualties | Military Subjects | | 109,975 |
 | Kress Family History | Social, Regional and General History | | 38,886 |