Inscription:

DOUGLASS
RICHARD LAND
1794-1838

MARIA BLACKLOCK
1793-1857

Richard Land Douglass
Birth: 1794
Death: 1838
Burial: Cold Water Cemetery, Florissant, St. Louis County, Missouri

Maria Blacklock Douglass
Birth: 1798, Maryland
Death: 1857
Burial: Cold Water Cemetery, Florissant, St. Louis County, Missouri

Family members buried in Cold Water Cemetery:
Son: 
Nicholas Blacklock Douglass

Census:
1850 Census (Maria Blacklock Douglass): District 82, St Louis, Missouri; Roll: M432_414; Page: 474A; Image: 426. Household Members: Bariah Douglass 45, Nichlas B. Douglass 30, Benjamin Douglass 24, and Rebeck Douglass 19. Original data: Seventh Census of the United States, 1850; (National Archives Microfilm Publication M432, 1009 rolls); Records of the Bureau of the Census, Record Group 29; National Archives, Washington, D.C.