Anthony Lowther, FRS (c. 1641 – 27 January 1693) was an English landowner, of Marske,Yorkshire and Member of Parliament.
He was one of the original Fellows of the Royal Society, from its chartered inception in 1663.
In February 1667, he married Margaret Penn, daughter of Sir William Penn, and had one son
It appears Mr. Lowther was 5 years younger than Margaret, who was born in 1636. His biography as an MP is at
Chart showing the number of references in each month of the diary’s entries.