Sophie Willock (later Bryant) was born in Sandymount, near Dublin, Ireland, on 15 February 1850.
Sophie Willock was born on 15 February 1850 in Sandymount, near Dublin, Ireland, the daughter of Reverend William Alexander Willock, a clergyman and mathematician who was a Fellow of Trinity College Dublin. Her early education was shaped strongly by her father, who tutored her at home in mathematics and classics, subjects rarely offered to girls of her era.
The family relocated to London when Sophie was young, and she was later enrolled at Bedford College, a pioneering institution for women's higher education. Her intellectual gifts, nurtured from childhood, would set the foundation for a remarkable career spanning mathematics, philosophy, education, and social activism.
Her birth into a household that valued female intellectual achievement was itself unusual for mid-Victorian Ireland and England, where formal education for women was minimal and often actively discouraged. This early exposure to rigorous academic training under her father's guidance gave her an advantage that few women of her generation possessed, and it directly enabled her later trailblazing achievements in mathematics and academia.