Michael Lohan, Sr. (born April 25, 1960) is the ex-husband of Dina Lohan and the father of Lindsay, Michael Lohan Jr., Ali, and Cody Lohan.
Lohan was born on April 25, 1960, the son of Marilyn (née Desiderio) and Richard E. Lohan. He was raised in Cold Spring Harbor, Long Island, New York. He has said that his father was an alcoholic.
At age twenty, Lohan became a Wall Street trader on the floor of the commodity exchange. After he began working on Wall Street, he succumbed to what he has described as the "culture" there, and began using cocaine. In 1982, at age 22, he also began drinking.
Lohan met future wife Donata "Dina" Sullivan, a former singer and dancer turned cosmetics salesperson at a Bloomingdale's department store, in December 1984. They married on November 2, 1985. Their first child, daughter Lindsay Lohan, was born on July 2, 1986. Their second child, Michael Lohan, Jr., was born December 16, 1987. They separated when their oldest child Lindsay was three, and later reunited.
In 1990, Lohan was investigated for insider trading and convicted of criminal contempt of court. He was sentenced to three years in jail in Nassau County, and was released in 1993 on five years