Quote Originally Posted by Galant
I was wondering if anyone knew of any good resources for searching for Scottish heritage and clan affiliations by surname?

I have a close friend by the name of McElroy here in Tucson, and it occurred to me I'd like to dig a little on it.
Galant,
According to this site, McElroy is a sept of clan Grant.
http://www.clangrant-us.org/septs.htm