(April 17, 1820 — September 16, 1871) Henry Clay Longnecker, a Representative from Pennsylvania; born in Allen Township, Cumberland County, Pa., April 17, 1820; was graduated from the Norwich Military Academy of Vermont and from Lafayette College, Easton, Pa.; studied law; was admitted to the bar and practiced in Easton, Pa.; served during the Mexican War as first lieutenant, captain, and adjutant in all principal engagements under General Scott; was wounded at the Battle of Chapultepec September 13, 1847; returned to Pennsylvania; district attorney of Lehigh County 1848-1850; elected as a Republican to the Thirty-sixth Congress (March 4, 1859-March 3, 1861); during the Civil War participated in organizing Pennsylvania troops and served in the Union Army as colonel of the Ninth Regiment, Pennsylvania Volunteers; resumed the practice of his profession in Allentown, Pa., in 1865; associate judge of Lehigh County in 1867; died in Allentown, Lehigh County, Pa., September 16, 1871; interment in Fairview Cemetery. [Source: “Biographical Directory of the United States Congress, 1774 - Present,” available at https://bioguide.congress.gov/search/bio/L000432]