THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
3 entries match your criteria.  

 
 

Historical Markers in Henderson

 
Clickable Map of Jefferson 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 Jefferson County, NY (163) Cayuga County, NY (274) Lewis County, NY (21) Oswego County, NY (146) St. Lawrence County, NY (213)  JeffersonCounty(163) Jefferson County (163)  CayugaCounty(274) Cayuga County (274)  LewisCounty(21) Lewis County (21)  OswegoCounty(146) Oswego County (146)  St.LawrenceCounty(213) St. Lawrence County (213)
Watertown is the county seat for Jefferson County
Henderson is in Jefferson County
Jefferson County (163)  ►
ADJACENT TO JEFFERSON COUNTY
Cayuga County (274)  ►
Lewis County (21)  ►
Oswego County (146)  ►
St. Lawrence County (213)  ►
Frontenac County, Ontario (47)  ►
Leeds and Grenville United Counties, Ontario (309)  ►
 
Touch name above to highlight map location.
Touch blue arrow, or on map, to go there.
1 ► New York, Jefferson County, Henderson — 1820 Oliver Bates Home —
On New York State Route 3 0.1 miles north of Stony Creek Road (County Route 152), on the right when traveling south.
Early Mormon meeting home built from native limestone circa 1820. Land bought from William Henderson in 1824. Possible Underground RR site. Home of T. O. Whitney — — Map (db m143149) HM
2 ► New York, Jefferson County, Henderson — Camp de L'Observation —
On New York State Route 3 0.8 miles north of Harbor View Drive ( Route 72), on the left when traveling north.
Erected by the French in 1756 Association Island — — Map (db m70477) HM
3 ► New York, Jefferson County, Henderson — 591 — Patriot Burials — Carpenter cemetery —
On State Route 3, on the right when traveling north.
Burials as early as ca. 1800. Nine Revolutionary War veterans interred here. — — Map (db m249467) HM
 
 
  
  
 
 
CeraNet Cloud Computing sponsors the Historical Marker Database.
This website earns income from purchases you make after using our links to Amazon.com. We appreciate your support.
Paid Advertisement
Nov. 11, 2026