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Historical Markers and War Memorials in Mahopac

 
Clickable Map of Putnam County, New York and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Putnam County, NY (139) Dutchess County, NY (356) Orange County, NY (619) Rockland County, NY (282) Westchester County, NY (428) Western Region, CT (331)  PutnamCounty(139) Putnam County (139)  DutchessCounty(356) Dutchess County (356)  OrangeCounty(619) Orange County (619)  RocklandCounty(282) Rockland County (282)  WestchesterCounty(428) Westchester County (428)  WesternRegionConnecticut(331) Western Region (331)
Carmel is the county seat for Putnam County
Mahopac is in Putnam County
Putnam County (139)  ►
ADJACENT TO PUTNAM COUNTY
Dutchess County (356)  ►
Orange County (619)  ►
Rockland County (282)  ►
Westchester County (428)  ►
Western Region, Connecticut (331)  ►
 
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1 ► New York, Putnam County, Mahopac — 1917 “Lest We Forget" 1919 — World War I Memorial —
1917 “Lest We Forget” 1919 Coleman Agor, Jr. • Glenn B. Arnold • Nathan K. Averill • Imlay L. Benet • Lester G. Bennett • James Benson • Louis J. Bittner • Colie Brown • Thurlow Cargain • John S. Carr • H. Ranald Chambers, Jr. • . . . — — Map (db m22711) HM
2 ► New York, Putnam County, Mahopac — 1941 “Lest We Forget” 1945 —
. . . — — Map (db m22713) HM
3 ► New York, Putnam County, Mahopac — Canopus Island —
Until 1760 Grand Island was a sacred site of the Wappinger Indians whose Chief Sachem was Daniel Nimham. By 1880 the Blackberry Iron Mine took ore to shore by ferry. — — Map (db m54286) HM
4 ► New York, Putnam County, Mahopac — Capt. John Crane —
. . . — — Map (db m22571) HM
5 ► New York, Putnam County, Mahopac — Dean House —
A boarding house in 1852, Amzi Dean expanded to a large hotel. Recreation on Lake Mahopac and a 9 hole golf course drew guests, torn down for housing in 1971. — — Map (db m54283) HM
6 ► New York, Putnam County, Mahopac — Early Catholic Church —
First Roman Catholic Church was built here in 1869. New York City took land for watershed in 1902. The town was razed and the church was relocated to the shore of Lake Mahopac. — — Map (db m54290) HM
7 ► New York, Putnam County, Mahopac — Eleazer Hamblin —
. . . — — Map (db m22570) HM
8 ► New York, Putnam County, Mahopac — God Bless Our Fallen Soldiers —
This monument is to honor all those who died and fought for our freedom, Persian-Gulf, Enduring Freedom, Iraqi Freedom and all wars against terrorism. — — Map (db m22717) WM
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9 ► New York, Putnam County, Mahopac — Gregory House —
Grandest hotel in Mahopac at the peak of the Resort Era from 1844 until it burned in 1878. In 1918 the first Mahopac Central School was built here, moved by 1938. — — Map (db m54287) HM
10 ► New York, Putnam County, Mahopac — James Carver —
Died in 1837 and is buried here. He represented local farmers when John Jacob Astor filed suit to overturn forfeiture land sales. In 1832, after 45 years, settled by the United States Supreme Court. — — Map (db m54282) HM
11 ► New York, Putnam County, Mahopac — Knickerbocker Ice —
Warehouse stored the ice cut on Lake Mahopac; floated in by canal then loaded on railroad cars and sold in New York City from 1880 until refrigeration began in 1920. — — Map (db m22572) HM
12 ► New York, Putnam County, Mahopac — Korean and Vietnam War Monument — In Dedication —
. . . — — Map (db m22714) WM
13 ► New York, Putnam County, Mahopac — Major John Andre —
Court martial convoy passed here after the Benedict Arnold treason. They met George Washington at West Point and Andre was hanged at Tappan, NY on October 2, 1780. — — Map (db m54280) HM
14 ► New York, Putnam County, Mahopac — Major John Andre —
Court martial convoy passed here after the Benedict Arnold treason. They met George Washington at West Point and Andre was hanged at Tappan, NY on October 2, 1780. — — Map (db m54284) HM
15 ► New York, Putnam County, Mahopac — Putnam County —
Created when Dutchess County was divided on June 12, 1812 and named for General Israel Putnam, leader of Continental troops in the Hudson Highlands during the Revolutionary War. — — Map (db m54277) HM
16 ► New York, Putnam County, Mahopac — Railroad Station —
The railroad came to Mahopac in 1871 and the first station was built in 1880. By 1930 Route 6 construction moved it to Bucks Hollow Road, used until 1969. Mahopac American Legion Post 1080 2001 — — Map (db m22590) HM
17 ► New York, Putnam County, Mahopac — Sibyl Ludington —
. . . — — Map (db m22592) HM
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18 ► New York, Putnam County, Mahopac — Thompson House —
Started as a hat factory, then a boarding house in 1851. It was rebuilt to hold 400 guests after a fire in 1869. Emerson Clark improved Hotel Mahopac in 1883. — — Map (db m22573) HM
19 ► New York, Putnam County, Mahopac — U.S.S. Mahopac —
A heavily armored Monitor which joined the attack on Charleston in 1864 during the Civil War. In 1865 in the Battle for Fort Fisher it took 8 hits, no serious damage. — — Map (db m54278) HM
 
 
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Nov. 13, 2026