In Cameron County, 38% of black people were interracially married (7/18 families) while in Hidalgo County the number was 72% (18/25 families).
These two counties had the highest rates of interracial marriages involving at least one black spouse in the United States.
For example, in 1880, the tenth US Census of Louisiana alone counted 57% of interracial marriages between these Chinese to be with black and 43% to be with white women.
It was discovered by historian Henry Louis Gates, Jr in the African American Lives documentary miniseries that NASA astronaut Mae Jemison has a significant (above 10%) genetic East Asian admixture.
It became legal in the entire United States in 1967 when the Supreme Court of the United States ruled in the case Loving v.
Virginia that race-based restrictions on marriages violated the Equal Protection Clause of the United States Constitution.
Since ethnic Mexicans were considered white by Texas officials and the U. government, such marriages were a violation of the state's anti-miscegenation laws.
Some racial groups are more likely to intermarry than others.
Of the 3.6 million adults who got married in 2013, 58% of Native Americans, 28% of Asians, 19% of blacks and 7% of whites have a spouse whose race was different from their own.
For Asians, the gender pattern goes in the opposite direction: Asian women are much more likely than Asian men to marry someone of a different race.
Among newlyweds in 2013, 37% of Asian women married someone who was not Asian, while 16% of Asian men married outside of their race.