# List of Maryland state historical markers in Howard County

This is a list of the Maryland state historical markers in Howard County.
This is intended to be a complete list of the official state historical markers placed in Howard 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 19 historical markers located in Howard County.
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* GPX (primary coordinates)
* GPX (secondary coordinates)
| Marker title | City | Location |
| Adam the First | Columbia, Maryland | MD 108, .25 miles west of Snowdon River Pkwy 39°12′51.23″N 76°48′11.64″W﻿ / ﻿39.2142306°N 76.8032333°W﻿ / 39.2142306; -76.8032333﻿ (Adam the First) |
| Annapolis and Elk Ridge Railroad | Annapolis Junction, Maryland | Dorsey Run Rd., N of Brock Bridge Rd. 39°07′25.01″N 76°47′48.41″W﻿ / ﻿39.1236139°N 76.7967806°W﻿ / 39.1236139; -76.7967806﻿ (Annapolis and Elk Ridge Railroad) |
| Bollman Iron Truss Bridge | Savage, Maryland | Foundry Street (west side), approximately 300 ft. north of Gorman Road 39°08′04.64″N 76°49′30.35″W﻿ / ﻿39.1346222°N 76.8250972°W﻿ / 39.1346222; -76.8250972﻿ (Bollman Iron Truss Bridge) |
| Christ Episcopal Church "Old Brick" | Columbia, Maryland | Oakland Mills Road (southbound) at Dobbin Road 39°11′04.401″N 76°49′38.632″W﻿ / ﻿39.18455583°N 76.82739778°W﻿ / 39.18455583; -76.82739778﻿ (Christ Episcopal Church "Old Brick") |
| Cooksville | Cooksville, Maryland | MD 97 (northbound), north of MD 144, at north end of Park and Ride Lot 39°19′15.5″N 77°01′09.1″W﻿ / ﻿39.320972°N 77.019194°W﻿ / 39.320972; -77.019194﻿ (Cooksville) |
| Cooksville High School | Cooksville, Maryland | MD 97 (east side), 0.3 miles north of Carr's Mill/McKendree Roads 39°18′27.3″N 77°01′15.35″W﻿ / ﻿39.307583°N 77.0209306°W﻿ / 39.307583; -77.0209306﻿ (Cooksville High School) |
| Dr. Charles Alexander Warfield | Cooksville, Maryland | MD 97 at Carrs Mill Road 39°18′08″N 77°01′14″W﻿ / ﻿39.30222°N 77.02056°W﻿ / 39.30222; -77.02056﻿ (Dr. Charles Alexander Warfield) |
| Elk Ridge Landing | Elkridge, Maryland | US 1 (southbound), just south of bridge crossing Patapsco River 39°13′04″N 76°42′25″W﻿ / ﻿39.21778°N 76.70694°W﻿ / 39.21778; -76.70694﻿ (Elk Ridge Landing) |
| Elk Ridge Landing | Elkridge, Maryland | Old Washington Rd., south side, 100 feet east of US 1 (Washington Blvd.) 39°12′52.08″N 76°42′49.26″W﻿ / ﻿39.2144667°N 76.7136833°W﻿ / 39.2144667; -76.7136833﻿ (Elk Ridge Landing) |
| Ellicott's Upper Mills | Hollofield, Maryland | Old Frederick Road (north) 200 ft. west of bridge over Patapsco River 39°18′37.65″N 76°47′37.73″W﻿ / ﻿39.3104583°N 76.7938139°W﻿ / 39.3104583; -76.7938139﻿ (Ellicott's Upper Mills) |
| Friend's Meeting House and Graveyard | Ellicott City, Maryland | Old Columbia Pike (east side), 1000 ft. south of Main Street 39°16′01″N 76°47′57″W﻿ / ﻿39.26694°N 76.79917°W﻿ / 39.26694; -76.79917﻿ (Friend's Meeting House and Graveyard) |
| Spurrier's Tavern | Waterloo/Jessup, Maryland | MD 175, eastbound, 125 feet west of US 1 39°10′20.6″N 76°47′09.8″W﻿ / ﻿39.172389°N 76.786056°W﻿ / 39.172389; -76.786056﻿ (Spurrier's Tavern) |
| Spurrier's Tavern 'Waterloo' | Waterloo/Jessup, Maryland | US 1 North of MD 175 39°10′22.8″N 76°46′54.6″W﻿ / ﻿39.173000°N 76.781833°W﻿ / 39.173000; -76.781833﻿ (Spurrier's Tavern 'Waterloo') |
| St. John's Episcopal Church | Ellicott City, Maryland | MD 144 (Frederick Road) westbound, 0.1 mile west of St. John's Lane 39°16′21.8″N 76°49′46.87″W﻿ / ﻿39.272722°N 76.8296861°W﻿ / 39.272722; -76.8296861﻿ (St. John's Episcopal Church) |
| The National Road | Ellicott City, Maryland | MD 144 (westbound), 200 ft. east of Ellicott Mills Road 39°16′05″N 76°48′04″W﻿ / ﻿39.26806°N 76.80111°W﻿ / 39.26806; -76.80111﻿ (The National Road) |
| Trinity on the Pike (Episcopal) | Waterloo, Maryland | US 1 (Washington Boulevard) southbound, between MD 175 and MD 176 39°10′49″N 76°46′12″W﻿ / ﻿39.18028°N 76.77000°W﻿ / 39.18028; -76.77000﻿ (Trinity on the Pike (Episcopal)) |
| Trinity White Oak Prayer of Dedication | Waterloo, Maryland | US 1 (southbound), between MD 175 and MD 176 39°10′49″N 76°46′12″W﻿ / ﻿39.18028°N 76.77000°W﻿ / 39.18028; -76.77000﻿ (Trinity White Oak Prayer of Dedication) |
| Waverly | Mariottsville, Maryland | Warwick Way, north side, .1 mile east of Marriotsville Rd. 39°18′35.46″N 76°53′47.10″W﻿ / ﻿39.3098500°N 76.8964167°W﻿ / 39.3098500; -76.8964167﻿ (Waverly) |
| Waverly | Mariottsville, Maryland | Marriottsville Road (northbound), 600 ft. north of Marriottsville Road exit 39°18′35″N 76°53′54″W﻿ / ﻿39.30972°N 76.89833°W﻿ / 39.30972; -76.89833﻿ (Waverly) |