Joseph Ellicott (1732 ? 1780), together with his brothers John and Andrew, founded Ellicott's Mills, Maryland in 1772. Married in 1753 to Judith Blaker or Bleaker (1729 - 1809). They had nine children, amongst them:
Ellicott Rock Wilderness, named for Ellicott Rock, on the east bank of the Chattooga River on which surveyor Andrew Ellicott chiseled a mark in 1811 to determine the border between Georgia and North Carolina