US Congressman, Lawyer. He was a United States Representative from the State of Pennsylvania. He was born one of eight children to Henry Jason Olmsted (1825-1906), and his wife Evelena Theresa Cushing Olmsted (1826-1908), in Ulysses, Pennsylvania, on May 21, 1847. He was educated locally and attended the common public schools and the prestigious Coudersport Academy in Coudersport, Pennsylvania. Following his education, he worked as an assistant corporation clerk and was then promoted to corporation clerk in charge collection of corporate taxes under the State of Pennsylvania's revenue system shortly thereafter. He also studied law, was admitted to the bar on November 25, 1878, and then commenced his practice of law in Harrisburg, Pennsylvania, at which time he also took an interest in politics. He was then elected to represent Dauphin County, Pennsylvania, in the proposed constitutional convention in 1891. He then decided to run for a seat in the United States Congress and was elected to succeed the outgoing United States Representative Ephraim Milton Woomer (1844-1897), on March 4, 1897. A Member of the Republican Party, he then served Pennsylvania's 14th District (Fifty-Fifth Congress, Fifty-Sixth Congress, and Fifty-Seventh Congress), in the United States House of Representatives from March 4, 1897, to March 3, 1903. He was originally elected in 1896, and re-elected in 1898, and 1900, before the 14th District was redistricted to the 18th District. Following his first term in the United States Congress, he was succeeded in office by the incoming United States Representative Charles Frederick Wright (1856-1925), on March 4, 1903. He then finished his term when the 14th District was redistricted to the 18th District and succeeded the outgoing United States Representative Thaddeus Maclay Mahon (1840-1916), on March 4, 1913. A Member of the Republican Party, he then served Pennsylvania's 18th District (Fifty-Eighth Congress, Fifty-Ninth Congress, Sixtieth Congress, Sixty-First Congress, and Sixty-Second Congress), in the United States House of Representatives serving from March 4, 1903, to March 3, 1913. He was originally elected in 1901, and re-elected in 1902, 1904, 1906, 1908, and again in 1910. While serving in the United States Congress, from March 4, 1897, to March 3, 1903, and March 4, 1903, to March 3, 1913, he served as Chairman of the United States House Committee on Elections No. 2, during the Fifty-Seventh Congress, Firty-Eighth Congress, Fifty-Ninth Congress, and Sixtieth Congress, and on the United States House Committee on Insular Affairs, during the Sixty-First Congress, as well as one of the managers appointed by the United States House of Representatives in 1905, to conduct the impeachment proceedings against Charles Swayne (1842-1907), who served as Judge of the United States District Court for the Northern District of Florida from May 17, 1889, until his death on July 5, 1907. During this time, he was also an Alternate Delegate to the Republican National Convention from Pennsylvania in 1908. He was not a Candidate for renomination to represent the Sixty-Third Congress in 1912. Following his term in the United States Congress, he was succeeded by the incoming United States Representative Aaron Shenk Kreider (1863-1929), on March 4, 1913. After leaving the United States Congress, he resumed his practice of law in Harrisburg, Pennsylvania, until his death on July 19, 1913, at the age of 66. He passed away suddenly while undergoing treatment at the Manhattan, Eye, Ear, and Throat Hospital in New York City, New York, on July 19, 1913, at the age of 66. Following his death, his funeral service was held at the St. Stephen's Episcopal Church in Harrisburg, Pennsylvania, with the Bishop James H. Darlington officiating, and he was buried in Harrisburg Cemetery in Harrisburg, Pennsylvania. He was married to Gertrude Colston Howard Olmsted (1874-1953), in Lynchburg, Virginia, on October 26, 1899. The couple who were together until his death had five children together, Marlin Edgar Olmsted Jr. (1900-1931), Gertrude Howard Olmsted (1901-1973), Henry Cushing Olmsted (1905-1972), Conway Howard Olmsted (1907-1989), and Jane Olmsted (1909-1982).