As Eugene McNulty, graduated from Manhattan College in 1938.
Biography in: "The Scribner Encyclopedia of American Lives." Volume Two, 1986-1990, pages 240-242. New York: Charles Scribner's Sons, 1999.
Had his own radio show, "A Day in the Life of Dennis Day", from 1946-1952.
Had ten children.
Had two brothers and three sisters.
He was awarded 2 Stars on the Hollywood Walk of Fame for Radio at 7048 Hollywood Boulevard and for Television at 6646 Hollywood Boulevard in Hollywood, California.
He was voted one of the top five most popular tenors on radio during his first year on the Jack Benny Program (1939).
His brother James was married to Ann Blyth.
His debut was on Jack Benny's radio program on October 8, 1939, when he was 21 years old.
His last TV appearance was less than a year before his death, in September, 1987, on the Jerry Lewis MDA Telethon. With tears in his eyes, he spoke of his recent diagnosis of Lou Gehrig's Disease, and pleaded with viewers to help support medical research for that and other neuromuscular diseases via their donations.
In his senior year at college, he was president of the college Glee Club.
Never sang professionally before the "The Jack Benny Program" (1950).
On the "The Jack Benny Program" (1950), his character's mother was a tyrant who intimidated Jack, and her name was Lucrezia Day. She was played by Verna Felton.
Profiled in "Old Time Radio Memories" by Mel Simons (BearManor Media).
Sang in the choir at St. Patrick's Cathedral in New York.
Served as a Lieutenant (j.g.) in the Navy during World War II from 1944-1946.
Spoke fluent Spanish.
Started singing when he was a small boy.
Was a tenor singer.
Was associated with Jack Benny from 1939 to Benny's death in 1974.