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Sorry Ray, I'm afraid your Mary is from a different family. Apparently there were several Glynns who came to Waltham about the same time, in the mid-1800s. I know there was a Jerry, 2 Johns, a Thomas, a Murphy, a Mortimer or Martin, a Michael, as well as "my" Murtagh. I think the first to arrive was either Jerry or Michael. Perhaps your Mary belonged to one of these men. Some of the Glynns moved to Lawrence, MA. Perhaps the Waltham Public Library has access to a vital records index for that time period, or could refer you to the local genealogical society. They were very good in helping me find some material. Good Luck.