Mariah Carey
Morgan Carey
Her sister's name is alison Carey and her brother's name is Morgan Carey
Actually they are cousins, not brother and sister.
I don't think so because some people are making rumors about her brother and sister
she has an older brother and sister
She has one brother and one sister.
Type your answer here... He has 2 brother's and 1 sister. 1 older brother - Bruce, 1 older sister - Theresa and 1 younger brother - Carey (KillaKelz)
Alison Scott, Mariah's older sister, is 50 years old in 2009. Mariah's brother Morgan is 48.
one sister and one brother, mariah is the youngest
Alison Carey
Alison Carey