Your great-grandfather, Thomas Wixtead married Margaret Drougan (your great-grandmother also from County Limerick, Ireland) in 1861 in Blackstone, Massachusetts. They had two children, Thomas E. Wixtead (your grandfather) and Mary E. Wixtead (who later lived with Grammy and Gramps and was known to you as “Aunt Emma”). Margaret (Drougan) Wixtead unexpectedly died at age 24, likely while giving birth to your great-aunt, Aunt Emma, in 1868.
Thomas Wixtead (your great grandfather) was married again in 1873 , to Mary Dermody, when your grandfather (Thomas E. Wixtead) was 10 years old.

Grave site of your great-grandfather, Thomas Wixtead and his second wife, Mary (Dermody) Wixtead. At St. Denis Cemetery, Douglas, Massachusetts. Aunt Emma’s inscription is on the other side of the stone.
Your great-grandmother, Margaret (Drougan )Wixtead, is not buried at St. Denis.
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