Raymond Cortelyou Brown was born on 6. Feb. 1876 at Saint Catherines, Niagra County, Ontario, Canada. He was the son of
George Albert Brown and
Anna Elizabeth Cortelyou. Raymond Cortelyou Brown immigrated in 1894. He was naturalized in Nov. 1900. He married
Gladys Ethelreda Preuss, daughter of
Gustave A. Preuss and
Ella Amelia Perkins, on 18. Nov. 1909 at Brooklyn, Kings County, New York.

Raymond Cortelyou Brown was shown in the census on 7. Jan. 1920 as an accountant, own office.
Raymond Cortelyou Brown and
Gladys Ethelreda Preuss appeared on the census of 7. Jan. 1920 at Brooklyn, Kings County, New York. Raymond Cortelyou Brown was shown in the census on 9. Apr. 1930 as a Certified Public Accountant, general practice.
Raymond Cortelyou Brown and
Gladys Ethelreda Preuss appeared on the census of 9. Apr. 1930 at Brooklyn, Kings County, New York; real estate value 23,000.00. Raymond Cortelyou Brown resided at at Hickory Bluff, South Norwalk, Fairfield County, Connecticut, in 1941.