Richard was the son of Charles Davenport Coxe. The Coxe's were a prominent family of Philadelphia.
Richard married Theodosia Henrietta Sayre (daughter of British Loyalists) in 1808 in New Jersey. (He was 'of Sidney New Jersey') They had 4 children:
1) Theodosia Coxe, m. Samuel Cumming. CHILD. Theodosia Cumming,m. 1867, Rev. Francis H. Bushnell, Rector at Mauayunk, Pa.
2) Richard Coxe, m. Mary Ann Mackey. CHILDREN. a) Mary Coxe, m. William J. Phillips. b) Sarah Coxe, m. William Long, of Philadelphia.
3) Julia E Coxe,7 m. 1831, Robert Patterson, at Tremont, N. Y., and had seven children. She wrote in 1829, '33 and '58 from Underwood, N. B., to Peter Robinson in Toronto, and to others. In 1833 she had two daughters, and in 1858 she was living in New York. Her father and mother were then dead, but her sister, Marie Matilda Coxe, was still living (1858).
4) Marie Matilda Coxe, m. Alexander H. Evans, of Washington, D. C.
Richard was the Agent of Mr. Gouverneur Morris' property in the northern part of New York State from 1799 for four years at $4000. (Mr. Morris was a Founding Father of the United States, drafting the final version of the Constitution and writing the preamble 'We the People...'.)
During the War of 1812 Richard raised a regiment, of which he was Colonel.
He was in service at Sackett's Harbor New York.
His son predeceased him. Richard died in 1841 in Washington DC.
Mr Morris was a correspondent of Richard's sister Grace Cox le Ray and her husband James, and there is an interesting story connected.[1]