He was born on March 21, 1910, in Oakland, California to Joseph Gallo, Sr. He had two brothers: his partner in the wine business, Ernest Gallo; and his youngest brother, Joseph Edward Gallo.
Joseph Gallo's early life began on March 21, 1910, in Oakland, California, where he was born to Joseph Gallo, Sr. His family included two notable brothers: Ernest Gallo, a business partner, and Joseph Edward Gallo, the youngest sibling.