M. P. Shiel and Anna Quindlen, are of British nationality?
M. P. Shiel Matthew Phipps Shiell (21 July 1865 – 17 February 1947) – known as M. P. Shiel – was a prolific British writer of West Indian descent. His legal surname remained "Shiell" though he adopted the shorter version as a "de facto" pen name.
Mary Saran Maria Martha Saran (13 July 1897 – 16 February 1976), known as Mary Saran, was a journalist and author. In 1933 she emigrated from her native Germany to England, where she took British nationality and where she lived for the rest of her life.