| Name | Birth date | Birth location |
| McKilligan, Helena (Lena) | Abt. 1918 | Alberta |
| McKilligan, Hellen | Abt. 1739 | |
| McKilligan, Henry | July 20, 1881 | Muskegon, Michigan |
| McKilligan, Hugh | | |
| McKilligan, Hugh | February 19, 1766 | Lyne of Urchany |
| McKilligan, Hugh | April 1769 | Balcroy, baptism Registered at Ardersier Kirk |
| McKilligan, Hugh | Abt. 1800 | |
| McKilligan, Hugh | December 05, 1804 | |
| McKilligan, Iain | July 26, 1965 | Aberdeen, Scotland |
| McKilligan, Iain Scott | February 12, 1963 | Aberdeen, Scotland |
| McKilligan, Ian | May 06, 1911 | Scotland |
| McKilligan, Ian Edward | 1979 | |
| McKilligan, Ian Gordon | December 10, 1953 | Elgin, Scotland |
| McKilligan, Ida May | October 1869 | Montana |
| McKilligan, Irene W. | November 1894 | Nebraska |
| McKilligan, Isabel | March 09, 1765 | Baptized at Petty Parish |
| McKilligan, Isabel | April 05, 1788 | Little Inshes |
| McKilligan, Isabell | 1856 | Canada |
| McKilligan, Isabella | April 05, 1826 | Balloan |
| McKilligan, Isabella | January 31, 1841 | Cambridge, Wentworth County, Southern Ontario |
| McKilligan, Isabella | May 07, 1854 | Kingston, New Brunswick, Canada |
| McKilligan, Isabella | Abt. 1881 | |
| McKilligan, Isabella Robertson | May 14, 1884 | Cambridge, Wentworth County, Southern Ontario |
| McKilligan, Isabelle ( Belle) M. | October 01, 1875 | Muscatine Country, Iowa |
| McKilligan, Isobel | | |
| McKilligan, Isobel | Abt. 1688 | |
| McKilligan, Isobel | Abt. 1696 | |
| McKilligan, Isobel | August 20, 1732 | Balnagowan, |
| McKilligan, Isobel | August 20, 1732 | Balnagowan, |
| McKilligan, Isobel | Abt. 1734 | |
| McKilligan, Isobel | September 15, 1757 | Balfriesh |
| McKilligan, Isobel | April 10, 1765 | Balnagowan, |
| McKilligan, Isobel | October 27, 1777 | |
| McKilligan, J .F. | Abt. 1874 | Union Grove, Whiteside, Illinios ? |
| McKilligan, Jack | | |
| McKilligan, Jack | Abt. 1900 | |
| McKilligan, Jacob Davidson | March 10, 1858 | Halifax, Novia Scotia |
| McKilligan, James | | |
| McKilligan, James | | |
| McKilligan, James | | |
| McKilligan, James | | |
| McKilligan, James | Abt. 1693 | |
| McKilligan, James | Abt. 1720 | Culloden area of Croy Parish |
| McKilligan, James | July 20, 1720 | Balnagowan, Scotland |
| McKilligan, James | July 20, 1720 | Balnagowan, Scotland |
| McKilligan, James | Abt. 1730 | |
| McKilligan, James | September 28, 1731 | Belnasion, Scotland |
| McKilligan, James | September 28, 1731 | Belnasion, Scotland |
| McKilligan, James | October 07, 1740 | Benaculloch |
| McKilligan, James | October 07, 1740 | Benaculloch |