Michael Bloomberg is of Russian Jewish descent. Michael's paternal grandfather, Alexander "Elick" Bloomberg, was a Polish Jew immigrant from Russia, and his maternal grandfather, Max Rubens, was a Lithuanian Jewish immigrant from present-day Belarus.
Michael Bloomberg was born on February 14, 1942, at St. Elizabeth's Hospital, in Brighton neighborhood, Boston, Massachusetts, the United States. He is a son of William Henry Bloomberg, an accountant for a dairy company, and Charlotte Bloomberg, a native of Jersey City, New Jersey, the United States.
The family lived in Allston, Massachusetts United States. When Michael was a two-year-child, the family moved to Brookline and then settled in Medford, a Boston suburb, where the boy was raised. He was raised in a middle-class home.