I am searching for information on Alfred Isaac Philbrook, b 10 Dec 1870 in either Aroostook County or Canada. He married Maud Mae Cossar 13 Jul 1897 in Carroll, Maine. Family history dictates Alfred was adopted and his mother's name was most probably Annie. He was either born a Monroe or raised by a family named Monroe but I cannot find any information prior to his marriage to Maud. I'm not even sure if the adoption was formal. Any suggestions for doing further research is greatly appreciated.