When Willard Van Sickle was born on 29 January 1913, in New Jersey, United States, his father, Jasper Jesse Van Sickle, was 46 and his mother, Ada Fenner, was 37. He lived in Wall Township, Monmouth, New Jersey, United States in 1920 and Brielle Borough, Monmouth, New Jersey, United States for about 10 years. He registered for military service in 1943. He died on 1 June 1944, in Anzio, Roma, Lazio, Italy, at the age of 31, and was buried in Brielle Borough, Monmouth, New Jersey, United States.