The children of Samuel and Jane Williamson (Brewster) Irvine were:
1.Mary or Polly, born January 8,1790, married April, 1811, to Joseph W. Doak, in Madison County, Kentucky. They were married by her uncle, Rev. Benjamin Irvin. August 20, 1815, Joseph W. Doak sold 99½ acres of land on Silver Creek to William Fitzgerald in consideration of $1,213. They located in Orange County, Indiana, near Paoli, where many of his descendants still reside.
http://cwcfamily.org/idl/idl_029.htm