William Klein age 89 of Bayside and Montauk New York passed away on January 13, 2023. William was born on June 20, 1933 to Louise and John Klein in College Point New York and later moved with his parents and grandparents to Whitestone. William earned a full scholarship to Bishop Loughlin High School in Brooklyn and joined the Navy shortly after graduation. He later graduated from St. Johns University. After graduating with a degree in accounting he decided to join his family business, Klein’s Auto Rental where he worked for many years alongside his father, his brother, John, and later his son William.

In 1957 William met the love of his life, Mary Ann McGillick who lived right down the block. William and Mary Ann went on to have four children, William, Robert, Janet and Mary Ellen and 11 grandchildren.

When William retired he and Mary Ann spent most of their time in Montauk, NY where they enjoyed golf, tennis and spending time with friends and family on the beach.

William is survived by his loving family including his wife, Mary Ann, his four children and their spouses Diane, Jill, Keith and Frank and his 11 adoring grandchildren, Robert, Danielle, Chris, Matthew, Samantha, William, Amanda, Andrew, Thomas, Mike and Katie.