Byrde Gillman, R. Thomas and L. Roake
Teachers at McKeesport High School, McKeesport, PA.
Byrde Gillman was listed in the 1922 yearbook as a teacher, R. Thomas and L. Roake were not; they may have taught at McKeesport in years prior to 1922. Their first names are unknown.
Photo from the 1922 Yough-a-Mon yearbook