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

 
 

Historical Markers in Wilson Mill

 
Clickable Map of Harford County, Maryland 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 Harford County, MD (222) Baltimore County, MD (386) Cecil County, MD (208) Kent County, MD (141) Lancaster County, PA (625) York County, PA (503)  HarfordCounty(222) Harford County (222)  BaltimoreCounty(386) Baltimore County (386)  CecilCounty(208) Cecil County (208)  KentCounty(141) Kent County (141)  LancasterCountyPennsylvania(625) Lancaster County (625)  YorkCounty(503) York County (503)
Bel Air is the county seat for Harford County
Wilson Mill is in Harford County
Harford County (222)  ►
ADJACENT TO HARFORD COUNTY
Baltimore County (386)  ►
Cecil County (208)  ►
Kent County (141)  ►
Lancaster County, Pennsylvania (625)  ►
York County, Pennsylvania (503)  ►
 
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1 ► Maryland, Harford County, Wilson Mill — Deer Creek Harmony Presbyterian Church —
This property has been place on the National Register of Historic Places by the United States Department of the Interior circa 1870 — — Map (db m95651) HM
2 ► Maryland, Harford County, Wilson Mill — Prospect School —
A hexagonal fieldstone structure built ca. 1850 by local stone mason Joshua W. Stevens, the Prospect School served grades one through eight until 1930. Polygonal buildings - more typically octagons - were promoted in the mid 19th century for their . . . — — Map (db m52649) HM
 
 
  
  
  
 
 
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Nov. 11, 2026