Trying to trace my father's birth mother
My father John Ross was born illegitimate 1923 in a Mother and Baby Home in Blackpool Lancashire. According to his birth certificate his mother was Sophia Ross.
My father was fostered by Gerald and Bertha Humphrey. He was brought up under as John Ross Humphrey but never adopted by them.
Any idea as to how I can trace information on his birth mother Sophia Ross. I have no idea what she she was or where she came from.