Millicent Rowan, Alice
The young lady on the right in this picture was identified in the Rodgers' anniversary picture on the Ohio photos page as Alice McGraw. I believe her name was actually Alice McGrath, since there was a McGrath family connected to the Rodgers, but no McGraws.
Alice was born October 13, 1901, in Cleveland, the daughter of James N. McGrath and Agnes McKenzie. She was the first of two children born to this couple. When her father died in 1907, Alice's mother married William Rodgers. Alice married Albert Mulzer by about 1922 and had two children of her own: Alyce (about 1923) and Allan (1926-1942).
In 1937, Alice and Albert Mulzer and their children moved to San Francisco, along with Alice's mother Agnes and Agnes' son William Rodgers. Alice died there in 1978.