African American Islamic leader nicknamed the "Mother of the Nation of Islam."
In 1946, she joined the Detroit-based religious movement known as the Nation of Islam.
She lived out the last years of her life in a retirement and nursing community in Sacramento, California.
She was born Rubie Macie Greer in Sandersville, Georgia. Her mother passed away when she was a child, but Muhammad, like both her father and her great grandfather, lived to be over one hundred years old.
African American Islamic leader Louis Farrakhan first used the phrase "Mother of the Nation of Islam" to describe Ruby Muhammad/Rubie Macie Greer.