Have you run across a Katherine married to a Malcolm McGregor?

2-Malcolm MCGREGOR
b: 1727
sp: Katherine MCDERMID
m: 6 Feb 1747 in Logieraith, Scotland
3-Duncan MCGREGOR
b: 20 Mar 1750 in Killin, Scotland
sp: Janet MCFARLAND
4-Gregor MCGREGOR
b: 23 Feb 1770 in Fortingall, Perthshire, Scotland
sp: Catherine CAMERON
m: 17 Mar 1793 in Fortingall, Perth, Scotland
5-Christina MCGREGOR
b: 1801 in Fortingall, Perth, Scotland
d: 19 Jan 1887 in Kincardine, Bruce County, Canada.
sp: Duncan CAMERON
b: 19 Jul 1801 in Blair Athol, Fortingall, Perthshire, Scotland
m: 4 Dec 1824 in Fortingall, Perth, Scotland
d: 3 Oct 1870 in Tiverton, Bruce County, Ont.