If you were adopted through the Sophia Fund in NYC before 1949,

at their closing, they turned over their records to Spence Chapin Services to Families, also in NYC (Manhattan). Sophia Fund only handled adoptions of girl babies. My parents received a copy of the court order of adoption after my adoption was finalized; it contains my name at birth and the name my mother gave at the time of my birth. Your parents may have left a copy of your court order/adoption decree in their safety deposit box if they didn't give it to you when they were living. Spence will be able to give you background information which should be in the Sophia Fund records in their possession.