# List of Maryland state historical markers in Frederick County

This is a list of the Maryland state historical markers in Frederick County.
This is intended to be a complete list of the official state historical markers placed in Frederick County, Maryland by the Maryland Historical Trust (MHT). The locations of the historical markers, as well as the latitude and longitude coordinates as provided by the MHT's database, are included below. There are currently 24 historical markers located in Frederick County.
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| Marker title | City | Location |
| Abraham Lakin 2nd | Jefferson, Maryland | Fry Road (east side), 1.25 miles north of MD 464 39°19′37.4″N 77°32′33.9″W﻿ / ﻿39.327056°N 77.542750°W﻿ / 39.327056; -77.542750﻿ (Abraham Lakin 2nd) |
| Amelung Glass Works | Adamstown, Maryland | MD 355 at Parks Mill Rd. 39°20′07″N 77°22′54″W﻿ / ﻿39.33528°N 77.38167°W﻿ / 39.33528; -77.38167﻿ (Amelung Glass Works) |
| Carroll's Mill | Adamstown, Maryland | Pleasant View Road at Doubs Road 39°18′09″N 77°29′14″W﻿ / ﻿39.30250°N 77.48722°W﻿ / 39.30250; -77.48722﻿ (Carroll's Mill) |
| Carrollton | Buckeystown, Maryland | MD 85 (northbound), 100 ft. south of Manor Woods Road 39°19′55.8″N 77°25′56.2″W﻿ / ﻿39.332167°N 77.432278°W﻿ / 39.332167; -77.432278﻿ (Carrollton) |
| Catoctin Furnace | Catoctin Furnace, Maryland | MD 806 (southbound), 0.5 miles north of Blacks Mill Road 39°34′52.2″N 77°26′02″W﻿ / ﻿39.581167°N 77.43389°W﻿ / 39.581167; -77.43389﻿ (Catoctin Furnace) |
| Emmitsburg Longrifles | Emmitsburg, Maryland | US 15 at Maryland Welcome Center 39°42′29.22″N 77°18′50.4″W﻿ / ﻿39.7081167°N 77.314000°W﻿ / 39.7081167; -77.314000﻿ (Emmitsburg Longrifles) |
| Forest of Needwood | Knoxville, Maryland | MD 17 (west) at Lee's Lane 39°22′01.3″N 77°38′12.2″W﻿ / ﻿39.367028°N 77.636722°W﻿ / 39.367028; -77.636722﻿ (Forest of Needwood) |
| Frederick County | Knoxville, Maryland | MD 340 (south side), northwest of Knoxville 39°19′48.87″N 77°40′11.98″W﻿ / ﻿39.3302417°N 77.6699944°W﻿ / 39.3302417; -77.6699944﻿ (Frederick County) |
| General Edward Braddock | Frederick, Maryland | MD 40 Alt. (Old National Pike), 0.1 mile east of Mt. Phillip Road 39°25′11.0″N 77°27′50.4″W﻿ / ﻿39.419722°N 77.464000°W﻿ / 39.419722; -77.464000﻿ (General Edward Braddock) |
| George Washington | Frederick, Maryland | US 15 (northbound), 65 ft. south of Willow Road, north of Frederick 39°28′06.5″N 77°24′05.2″W﻿ / ﻿39.468472°N 77.401444°W﻿ / 39.468472; -77.401444﻿ (George Washington) |
| George Washington (Cookerly's Tavern) | New Midway, Maryland | MD 194 (west side), 200 ft. south of the railroad tracks 39°33′50″N 77°17′46″W﻿ / ﻿39.56389°N 77.29611°W﻿ / 39.56389; -77.29611﻿ (George Washington (Cookerly's Tavern)) |
| George Washington (Peter's Tavern) | Urbana, Maryland | MD 355 (southbound) at Bennett Run Creek 39°19′06″N 77°20′04″W﻿ / ﻿39.31833°N 77.33444°W﻿ / 39.31833; -77.33444﻿ (George Washington (Peter's Tavern)) |
| George Washington (The Dutchman's) | Tuscarora, Maryland | MD 28 (eastbound), 0.3 miles west of MD 85 39°15′27.2″N 77°28′02.4″W﻿ / ﻿39.257556°N 77.467333°W﻿ / 39.257556; -77.467333﻿ (George Washington (The Dutchman's)) |
| George Washington Traveled This Road | Frederick, Maryland | 1501 North Market Street 39°26′06″N 77°24′13″W﻿ / ﻿39.43500°N 77.40361°W﻿ / 39.43500; -77.40361﻿ (George Washington Traveled This Road) |
| Headquarters of Generals Robert E. Lee, "Stonewall" Jackson and Longstreet | Frederick, Maryland | MD 355 (west side), 0.6 miles north of Monocacy River 39°22′35.3″N 77°23′49.9″W﻿ / ﻿39.376472°N 77.397194°W﻿ / 39.376472; -77.397194﻿ (Headquarters of Generals Robert E. Lee, "Stonewall" Jackson and Longstreet) |
| Interstate and Defense Highways | Emmitsburg, Maryland | US 15 Business (South Seton Avenue) east side at Toms Creek 39°41′29.10″N 77°19′56.66″W﻿ / ﻿39.6914167°N 77.3324056°W﻿ / 39.6914167; -77.3324056﻿ (Interstate and Defense Highways) |
| John Collins | Boonsboro, Maryland | US 40 Alt. (westbound) at Frederick/ Washington counties line 39°29′04.88″N 77°37′11.69″W﻿ / ﻿39.4846889°N 77.6199139°W﻿ / 39.4846889; -77.6199139﻿ (John Collins) |
| Lewistown Trout Hatchery & Bass Ponds | Lewistown, Maryland | Fish Hatchery Road at Bethel Road, just west of US 15 39°32′08.82″N 77°25′55.75″W﻿ / ﻿39.5357833°N 77.4321528°W﻿ / 39.5357833; -77.4321528﻿ (Lewistown Trout Hatchery & Bass Ponds) |
| Maj. Gen. Edward Braddock | Frederick, Maryland | US 40 (westbound) at Baughmans Lane (on Police Barracks) 39°25′01″N 77°26′21″W﻿ / ﻿39.41694°N 77.43917°W﻿ / 39.41694; -77.43917﻿ (Maj. Gen. Edward Braddock) |
| Middletown in the Civil War | Middletown, Maryland | US 40 Alt. at Elm Street, southeast corner, in park 39°26′37.93″N 77°32′51.64″W﻿ / ﻿39.4438694°N 77.5476778°W﻿ / 39.4438694; -77.5476778﻿ (Middletown in the Civil War) |
| Reno Monument | Middletown, Maryland | US 40 at Bolivar Road, southwest corner 39°27′59″N 77°35′31″W﻿ / ﻿39.46639°N 77.59194°W﻿ / 39.46639; -77.59194﻿ (Reno Monument) |
| Site of St. Joseph's College | Emmitsburg, Maryland | South Seton Avenue (east side), 0.4 miles north of US 15 39°41′46.9″N 77°19′49.2″W﻿ / ﻿39.696361°N 77.330333°W﻿ / 39.696361; -77.330333﻿ (Site of St. Joseph's College) |
| St. Elizabeth Ann Seton | Emmitsburg, Maryland | South Seton Avenue (east side), 0.4 miles north of US 15 39°41′48″N 77°19′48.9″W﻿ / ﻿39.69667°N 77.330250°W﻿ / 39.69667; -77.330250﻿ (St. Elizabeth Ann Seton) |
| Washington County | Knoxville, Maryland | MD 340 (south side), northwest of Knoxville 39°19′48.87″N 77°40′11.98″W﻿ / ﻿39.3302417°N 77.6699944°W﻿ / 39.3302417; -77.6699944﻿ (Washington County) |