Notes:Sixth Street
From Pittsburgh Streets
To do
Source:Miller@55: "St. Clair Borough has a similar record and is named of course, after Major-General Arthur St. Clair, who contributed greatly to the welfare and prosperity of Western Pennsylvania and was the first to see and advocate the importance of making Pittsburgh the county seat."
Source:Frey, p. 80: "Marbury was named for an officer of the garrison; Capt. Joseph Marbury; St. Clair for General Arthur St. Clair; Hand after General Edward Hand; Irwin after Col. John Irwin and Wayne after General Anthony Wayne."
