US Congressman. He was born one of eight children (Catherine M. Lansing was born in 1814, Edward Sanders Lansing was born in 1815, Gertrude L.E. Lansing was born in 1815, John Douglas Lansing was born in 1817, Samuel Stewart Lansing was born in 1823, Samuel Stewart Lansing was born in 1823, and Frances A. Lansing was born in 1832), in Manheim, New York, to Abraham Ten Eyck Lansing and Jane Ann Stewart Lansing. He was educated locally and later attended the prestigious Little Falls Academy in New York. He then studied law, and was admitted to the bar in 1859 and practiced in Watertown, New York. After the outbreak of the American Civil War, he put his law career on hold to serve his country. He joined the Union Army and served with the 8th Regiment New York Volunteer Cavalry (AKA "Rochester Regiment"), and was Acting Adjutant of the regiment during the Civil War from June 23, 1861, to October 11, 1863. He also served as a Private and First Lieutenant with Company C, 10th Heavy Artillery Regiment from September 7, 1862, to March 7, 1863. Following the Civil War, he resumed his practice of law for a few years. On February 20, 1867, he married Sarah Maria Sherman (the daughter of George Corlis Sherman, who a was a prominent lawyer and a Member of the New York State Senate representing the 5th District from 1844 to 1845), and they had two children together, Louis Sherman Lansing was born in 1869, and Marguerite Lansing was born in 1872. He then entered public service and was elected as a Member of the New York State Senate representing the 5th District sitting in the 105th, 106th, 107th, and 108th New York State Legislatures and serving in that position from 1881 to 1885. He then decided to run for a seat in the United States Congress and was elected. A Member of the Republican Party, he served New York's 2nd District (Fifty-First Congress) in the United States House of Representatives from 1889 to 1891. After his term in the United States Congress expired on March 3, 1891, he was succeeded in office by United States Representative Leslie Wead Russell. After leaving the United States Congress he again resumed his practice of law until his death. He passed away from the effects of wounds and injuries that he had received during the Civil War on January 31, 1894, at the age of 55, in Watertown, New York. He was buried in the Brookside Cemetery in that city. His wife Sarah passed away on May 6, 1915, at the age of 75, and was buried with her husband. One of his obituaries of the time said that he was one of the most loved and respected men in Northern New York. He was a member of the prominent Lansing family of politicians-he was the nephew of Robert Lansing (1799-1878), and Frederick Lansing, grandnephew of John Ten Eyck Lansing, Jr. and Abraham Gerritse Lansing, granduncle of Agnes Phelps Lansing, first cousin once removed of Gerrit Yates Lansing (1783-1862), Robert Lansing (1864-1928), and Emma Sterling Lansing, the second cousin of Abraham Lansing, second cousin thrice removed of Abraham Jacob Lansing, and third cousin twice removed of Cornelius Lansing (1752-1842).