She was the daughter of Rezin Burgess Simpson and second wife Sarah Ann Ricaud.

Baltimore Sun, 27 Oct 1880, Marriage Announcement - "KINNEAR-SIMPSON--On October 6, 1880, at the residence of the bride's brother, by Rev. William M. Postlethwalte, A. H. KINNEAR, of Washington, D.C., to HALLIE RICAUD, youngest daughter of the late R. B. Simpson. (No cards.) (Washington papers please copy.)"

Evening Star, Washington, D.C., 12 Oct 1930: "Mr. and Mrs. A. H. Kinnear Mark Golden Anniversary. The golden wedding anniversary of Mr. and Mrs. Aaron Harriman Kinnear was celebrated Monday at the home of their neice, Mrs. Walter Rogers Beach, 1729 F street northwest. Mrs. Beach entertained a small family party at dinner in honor of the bride and bridegroom of 50 Autumns ago. The decorations were in gold and yellow. Many gifts, flowers and cards were received by the happy couple. On October 6, 1880, Harriet Ricaud Simpson, youngest daughter of Rezin Burgess and Sarah Ann Ricaud Simpson, of Howard County, Md., was married to Aaron Harriman Kinnear, son of Dr. Alexander and Elizabeth Harriman Kinnear of Circleville, Pickaway County, Ohio. The wedding took place at the home of the bride's brother, Thomas Beal Simpson, in Baltimore, and the officiating clergyman was the Rev. William M. Posthlewaite. Mr. William I. Simpson of this city, brother of the bride, who attended the wedding, was among the guests at the anniversary dinner. Miss Mollie O. Simpson of Glen Burnie, Md., a niece, who also attended the wedding, was prevented by ill health from being present at the dinner. Mr. and Mrs. Kinnear, who are now residing at 1907 H street northwest, lived in Kensington, Md., the greater part of their married life. In 1889, they moved from Washington to the little village of Knowles Station, which afterwards became the town of Kensington. Both Mr. and Mrs. Kinnear actively supported all measures for the improvement and growth of the town. Mrs. Kinnear was one of the organizers of the Warner Memorial Presbyterian Church, and was the first president of the Women's Missionary Society, the first president of the Ladies Aid Society and a teacher for many years of a large primary class. The Washington City Presbytery appointed Mr. Kinnear treasurer of the Warner Memorial Church, in which capacity he served for about 20 years. He also served at one time as town councilman. Before his retirement from government service for age in 1926, Mr. Kinnear was a senior clerk in the administrative office of the Weather Bureau. He was one of the veteran employees who had military service with the Meteorological Service of the Signal Corps before the transfer of its duties by act of Congress on July 1, 1891, to the Weather Bureau, Department of Agriculture. Prior to 1891, weather forecasts were made by Army officers. Mr. Kinnear served the government for 52 years. Mr. and Mrs. Kinnear have no children, their only daughter, Miss Sadie Rutledge Kinnear, having died in 1918."

Washington Post Obituary, 8 Sep 1934: "KINNEAR. On Thursday, September 6, 1934, at the residence of Mrs. R. L. Friday, Forest Glen, Md., HARRIET R., beloved wife of Aaron H. Kinnear. Services at the above residence on Saturday, September 8, at 2 p.m. Interment Glenwood Cemetery."