William David Levi was born in Beaver City, Beaver County, Utah on October 29, 1881, the sixth child of David Levi and Ann Gillispie. William David had five sisters: Julia Ann Levi, born June 29, 1859 in Ogden, Weber County, Utah; Janett Levi, born March 19, 1862 in Beaver City, Beaver County, Utah; Jane Levi born July 1, 1870 in Beaver City; Mary Levi, born January 11, 1874 in Beaver City; and Katie Bell Levi, born September 12, 1878 in Beaver City. Julia Ann died on July 27, 1933 in Beaver City, Janett Levi died on January 15, 1888 in Beaver City, Jane Levi died in April, 1877 in Beaver City, Mary died on March 14, 1877 in Beaver City and Katie Bell died on August 23, 1963 in Beaver City.

William David married Ida Hopkins on September 24, 1909 in Manti, Sanpete County, Utah and married Diana Head on September 24, 1919 in Salt Lake City, Salt Lake County, Utah.

William died on November 29, 1950 in Salt Lake City, Salt Lake County, Utah