Elizabeth Catherine "Kate" (Head) Moore (#1523912) & daughter Mayme Lee "Mae" (Moore) Knight (#15239123)

Description
From left to right:

Elizabeth Catherine "Kate" (Head) Moore (#1523912)
Jesse (or maybe Roy) Knight
Mayme Lee "Mae" (Moore) Knight (#15239123)

Date ca. 1920 ??? (what year is that automobile?)
Place probably near Clinton, Custer Co., OK (where photo was developed)