Major, 150th New York State Voluteers, Civil War. Judge of the New York Supreme Court.

From contributor JH:
Additional information from Who's Who in the World, 1912:
Secretary and president of the National Rifle Association; member of G.A.R. Educated at College Hill, Poughkeepsie, N. Y.and Columbia Univ. Law School. Admitted to the bar in 1866; served as captain and major during the Civil War, and was bvtd. lieut.-col for gallant and meritorius services in Georgia and Carolina campaigns. Democrat. Captain of the American riflemen sent to Ireland, 1875. Married April 14, 1868, to Virginia Crocheron, of N. Y. Address: 28 W. 48th St., N. Y. City, U.S.A.

From contributor AMB:
H. A. Gildersleeve, Ex-Justice, Dead
Member of American Rifle Team Which Won Trophy at Creedmoor
Served in General Sessions and on Supreme Court Bench. Retiring in 1909.
Henry Alger Gildersleeve, ex-Justice of the Supreme Court of New York, died today at his home at 404 Riverside Drive. He had been ill ten days. Mr. Gildersleeve was a veteran of the Civil War and expert rifle shot, and had been a leading figure in the public life in New York City for many years. He was elected a judge in the Court of General Sessions in 1875 and after serving for fourteen years was appointed in 1891 to the Supreme Court to fill a vacancy. He was subsequently elected for a term of fourteen years, holding his place upon the bench by reelection until his resignation in 1909. He was mentioned as a possible Tammany candidate for Mayor in 1909. In 1912, after having resumed the practice of law, he was made special guardian for Mrs. Madeleine Force Astor on the death of her husband, Col. John Jacob Astor. [Note: Mrs. Astor survived the Titanic; her husband died in the sinking. Mr. Gildersleeve enjoyed international fame as a marksman. He was a member of the American rifle team which defeated the Irish team at Creedmoor in 1874, and was captain of the team which defeated the Irish riflemen at Dollymount, near Dublin, in 1875. Mr. Gildersleeve was born near Poughkeepsie on August 1, 1840. He recruited a company for the 150th Regiment, N. Y. V., and was mustered into service as a captain of Company C of that regiment on October 11, 1862. He served throughout the war from that date, participating in the battle of Gettysburg, and in Sherman's march to the sea. He was brevetted lieutenant-colonel by President Lincoln in March 1865, for "gallant and meritorious service in the campaigns of Georgia and the Carolinas." He figured prominently in the Grange riots in New York City in 1871, at which time he was lieutenant colonel of the Twelfth Regiment, N. G. N. Y., and was in command of the State Arsenal, at Thirty-fifth Street and Seventh Avenue. Mr. Gildersleeve was author of "Rifles and Marksmanship," and was a member of a half-dozen clubs. He is survived by his wife, who was Virginia Crocheron of New York, and two children, Virginia C. Gildersleeve, dean of Barnard College, Columbia University, and Alger C. Gildersleeve, an engineer. A brother, Elmer D. Gildersleeve, lived in Poughkeepsie. Funeral services will be held at 10 o'clock Thursday morning in Columbia University Chapel.
New York Evening Post, February 27, 1923

Major, 150th New York State Voluteers, Civil War. Judge of the New York Supreme Court.

From contributor JH:
Additional information from Who's Who in the World, 1912:
Secretary and president of the National Rifle Association; member of G.A.R. Educated at College Hill, Poughkeepsie, N. Y.and Columbia Univ. Law School. Admitted to the bar in 1866; served as captain and major during the Civil War, and was bvtd. lieut.-col for gallant and meritorius services in Georgia and Carolina campaigns. Democrat. Captain of the American riflemen sent to Ireland, 1875. Married April 14, 1868, to Virginia Crocheron, of N. Y. Address: 28 W. 48th St., N. Y. City, U.S.A.

From contributor AMB:
H. A. Gildersleeve, Ex-Justice, Dead
Member of American Rifle Team Which Won Trophy at Creedmoor
Served in General Sessions and on Supreme Court Bench. Retiring in 1909.
Henry Alger Gildersleeve, ex-Justice of the Supreme Court of New York, died today at his home at 404 Riverside Drive. He had been ill ten days. Mr. Gildersleeve was a veteran of the Civil War and expert rifle shot, and had been a leading figure in the public life in New York City for many years. He was elected a judge in the Court of General Sessions in 1875 and after serving for fourteen years was appointed in 1891 to the Supreme Court to fill a vacancy. He was subsequently elected for a term of fourteen years, holding his place upon the bench by reelection until his resignation in 1909. He was mentioned as a possible Tammany candidate for Mayor in 1909. In 1912, after having resumed the practice of law, he was made special guardian for Mrs. Madeleine Force Astor on the death of her husband, Col. John Jacob Astor. [Note: Mrs. Astor survived the Titanic; her husband died in the sinking. Mr. Gildersleeve enjoyed international fame as a marksman. He was a member of the American rifle team which defeated the Irish team at Creedmoor in 1874, and was captain of the team which defeated the Irish riflemen at Dollymount, near Dublin, in 1875. Mr. Gildersleeve was born near Poughkeepsie on August 1, 1840. He recruited a company for the 150th Regiment, N. Y. V., and was mustered into service as a captain of Company C of that regiment on October 11, 1862. He served throughout the war from that date, participating in the battle of Gettysburg, and in Sherman's march to the sea. He was brevetted lieutenant-colonel by President Lincoln in March 1865, for "gallant and meritorious service in the campaigns of Georgia and the Carolinas." He figured prominently in the Grange riots in New York City in 1871, at which time he was lieutenant colonel of the Twelfth Regiment, N. G. N. Y., and was in command of the State Arsenal, at Thirty-fifth Street and Seventh Avenue. Mr. Gildersleeve was author of "Rifles and Marksmanship," and was a member of a half-dozen clubs. He is survived by his wife, who was Virginia Crocheron of New York, and two children, Virginia C. Gildersleeve, dean of Barnard College, Columbia University, and Alger C. Gildersleeve, an engineer. A brother, Elmer D. Gildersleeve, lived in Poughkeepsie. Funeral services will be held at 10 o'clock Thursday morning in Columbia University Chapel.
New York Evening Post, February 27, 1923