US Congressman, Entrepreneur. He was a United States Representative from the State of New York. He was born one of three children to Jacob LeFever Sr. (1810-1895), and his wife Justine LeFever (1830-), in New Paltz, New York, on April 20, 1830. He was educated locally in the local common public schools and also attended the New Paltz Academy in New Paltz, New York, and the Armenia Seminary in Armenia, New York. Following his education, he became involved in business endeavours and operated a successful farm, and became a prominent banker and businessman. He served as an officer of the Huguenot National Bank in New Paltz, New York, as a Member of the Board of Directors of the New Paltz Savings Bank in New Paltz, New York, and as a Member of the Board of Directors of the Wallkill Valley Railroad, which once operated in Ulster County, New York, and in Orange, New York. The railroad was founded in 1866 and ceased regular service in 1977. During this time, he also took an interest in politics and served a term as the Town Supervisor of New Paltz, New York, from 1861 to 1862. He also served as a Member of the Ulster County, New York, Board of Supervisors. He then served four terms as a Member of the New York State Assembly representing Ulster County, New York's 2nd District in 1863, 1864, 1865, and again in 1867, having been preceded in office by George T. Pierce, and James G. Graham, and being succeeded in office by James G. Graham and Abraham E. Hasbrouck. He also served as a Member of numerous Republican State Conventions and as an Alternate Delegate to the Republican National Convention from the State of New York in 1888. He then decided to run for a seat in the United States Congress and was elected to succeed the outgoing United States Representative John Adam Quackenbush (1828-1908), on March 4, 1893. A Member of the Republican Party, he then served New York's 18th District (Fifty-Third Congress and Fifty-Fourth Congress), in the United States House of Representatives from March 4, 1893, to March 3, 1897. He was not a Candidate for renomination to represent the Fifty-Fourth Congress in 1896. Following his term in the United States Congress, he was succeeded in office by the incoming United States Representative John Henry Ketcham (1832-1906), on March 4, 1897. After leaving the United States Congress, he served as President of the Huguenot National Bank in New Paltz, New York, from 1875 until his death on February 4, 1905, at the age of 74. He passed away from heart related issues in New Paltz, New York, on February 4, 1905, at the age of 74. Following his death, his funeral service was held at the Reformed Church in New Paltz, New York, and he was buried in New Paltz Rural Cemetery in New Paltz, New York. He was married to Ann Amelia Woolsey LeFever (1839-1910), with whom he had five children, Catherine Dubois LeFever (1866-1936), Garret LeFever (1870-1870), R. Davis LeFever (1871-1887), Frank Jacob Le Fevre (1874-1941), and Albert A. LeFever (1879-1951). His wife Ann passed away in New Paltz, New York, on June 14, 1910, at the age of 71, and she is buried with her husband in New Paltz Rural Cemetery in New Paltz, New York. His son, Frank Jacob Le Fevre (1874-1941), also became a United States Congressman. He usually spelled his name as "LeFever," it appears variously in contemporary records and news accounts as "Le Fever," "Le Fevre," and "LeFevre."