And high-profile women such as South Carolina Gov.
Nikki Haley, whose parents are from India, are married to white men.
Yet unions of white men and black women have retained a forbidden aura, Cohen said.
The taboo is declining, polls show.
In July, a Gallup poll found that 87 percent of Americans approved of interracial marriage—the highest rate ever—compared with 4 percent in 1958. In 2010, more than 15 percent of all new marriages were interracial, according to the Pew Research Center.
Yet statistics also indicate why de Blasio and McCray are such a rarity.
The Gallup poll showed that white men are the least likely to marry outside of their race.