OkCupid statistically analyzed the profiles of their users and found the phrases that made each racial group distinct:
We selected 526,000 OkCupid users at random and divided them into groups by their (self-stated) race. We then took all these people’s profile essays (280 million words in total!) and isolated the words and phrases that made each racial group’s essays statistically distinct from the others’.
There is a lot of data at the link, but here are the phrases that make groups of women of colour—Asian women, Pacific Islander women, Indian women, Middle Eastern women, Black women, Latina women—distinct. (For some reason, all female groups except for White women and Indian women really like Alicia Keys.)

Are you currently unemployed? According to the
Some white people appear to think that non-white people have a strong ethnic or racial identity by default. They may think that if a non-white person is unaware of her race or ethnicity, it is a result of white interference. However, ethnic and racial identities are socially constructed, not genetically inherited.