The McIntires are a frustrating group as well. As a matter of fact, many of my ancestors seem deliberately to frustrate a poor, aging, descendant who's easily confused. I think I've published the McIntire papers that Jean extracted. [Turns out I lied--so I just posted them under "family records"] William, the patriarch in PA, gives strict orders about cutting out his son-in-law, James McCay. (I was thinking it must have been McKay, but there are McCay's around.) He has extensive property.
Samuel moves to Ontario county with his brood and starts buying.. Apparently around 1819 he runs into trouble, because there is a sheriffs sale and he sells land to some sons. In 1855 his descendants, (son Hugh and other children and grandchildren) tell the court that Samuel had land in PA and he died intestate. Conveniently the suit lists the descendants. Disconcertingly, it doesn't list Elizabeth McIntire who is supposed to be the wife of William Smith and mother of Elizabeth Smith, wife of Joseph Rippey.
Discussing problems with Jean, she suggested that her linking of McIntire and Smith came from a headstone. That caused me to go back today to the Ontario County historians site (which I should have done before this) and the rootsweb site.
Based on information there, I've added some stuff, corrected some stuff, and probably screwed up some stuff on the ancestry.com Harshaw Family site. Hopefully progress is being made.