The beginnning of the end of mammyism...

From slavery through the Jim Crow era, the mammy image served the political, social, and economic interests of mainstream white America. During slavery, the mammy caricature was posited as proof that blacks -- in this case, black women -- were contented, even happy, as slaves. Her wide grin, hearty laugher, and loyal servitude were offered as evidence of the supposed humanity of the institution of slavery.

This was the mammy caricature, and, like all caricatures, it contained a little truth surrounded by a larger lie. The caricature portrayed an obese, coarse, maternal figure. She had great love for her white "family," but often treated her own family with disdain. Although she had children, sometimes many, she was completely desexualized. She "belonged" to the white family, though it was rarely stated. Unlike Sambo, she was a faithful worker. She had no black friends; the white family was her entire world. Obviously, the mammy caricature was more myth than accurate portrayal. ...

Abolitionists claimed that one of the many brutal aspects of slavery was that slave owners sexually exploited their female slaves, especially light-skinned ones who approximated the mainstream definition of female sexual attractiveness. The mammy caricature was deliberately constructed to suggest ugliness. Mammy was portrayed as dark-skinned, often pitch black, in a society that regarded black skin as ugly, tainted. She was obese, sometimes morbidly overweight. Moreover, she was often portrayed as old, or at least middle-aged. The attempt was to desexualize mammy. The implicit assumption was this: No reasonable white man would choose a fat, elderly black woman instead of the idealized white woman. The black mammy was portrayed as lacking all sexual and sensual qualities. The de-eroticism of mammy meant that the white wife -- and by extension, the white family, was safe. ...

The mammy caricature implied that black women were only fit to be domestic workers; thus, the stereotype became a rationalization for economic discrimination. During the Jim Crow period, approximately 1877 to 1966, America's race-based, race-segregated job economy limited most blacks to menial, low paying, low status jobs. Black women found themselves forced into one job category, house servant. Jo Ann Gibson Robinson (1987), a biographer of the Civil Rights Movement, described the limited opportunities for black women in the 1950s:

Jobs for clerks in dimestores, cashiers in markets, and telephone operators were numerous, but were not open to black women. A fifty-dollar-a-week worker could employ a black domestic to clean her home, cook the food, wash and iron clothes, and nurse the baby for as little as twenty dollars per week.