Lynd Ward was born on June 26, 1905 in Chicago, United States.
He was a son of Methodist minister and political organizer Harry F. Ward. His father was born in Chiswick, England, in 1873. The elder Ward moved to the United States in 1891. He named his son after the rural town of Lyndhurst, located in the south coastal county of Hampshire, where he had lived for two years as a teenager prior to his emigration.
Ward's mother, Harriet May Kendall Ward, was born in Kansas City, Missouri, in 1873. The couple met at Northwestern University in Chicago, Illinois, and were married in 1899. Their first child, Gordon Hugh Ward, was born in June 1903, and a third, Muriel Ward, was born February 18, 1907.