Maryland Historical Magazine, edited by William Hand Browne, Louis Henry Dielman, Vol IV (1909), p 66
... MARGARET MACKALL SMITH, b. 1787 ; d. 14 Aug., 1852 ; mar. 18 June, 1818, Zachary Taylor, then Major of Infantry, U.S.A., later Major-General, and President of the United States. ...
[Note: This marriage date is likely wrong as it is after the birth of their children.}