Brigitta was born on October 28th, 1869 in Dublin and her baptism took place on October 31st, 1869 in Blackrock. Her godfather was Pat Smyth and her godmother was Maria Carroll. Brigitta's father was William(Gulielmo) Murray and her mother was Bridget(Brigida) Carthy. Her paternal grandparents were Joannis Murray and Marise; her maternal grandparents were Carthy and Annae. She had three brothers and two sisters, named Michael, Daniel, Patrick, Catherine and Joanna. She was the third oldest of the six children.