In 1975, Ermey got married to love of his life Nila Ermey. It's been more than four decades they have been bonded as a married couple but till date there is no any rumors about their separation. From this married life they welcomed four sons and daughters. His nationality is American.
When Ermey was aged 17 years old, he was arrested twice for criminal mischief. When he was arrested for the second time in his life, he was ordered to choose a life in jail and military and then in the early 1960s, he joined United States Marine Corps. He took his training at Marine Corps Recruit Depot San Diego. He began serving in the aviation support field and then in 1965 he became a drill instructor at Marine Corps Recruit Depot San Diego. He was discharged from military in the early 1970s after a decade of his service in the military. In 1978, he began appearing in as an actor. That year he starred the role of Staff Sergeant Loyce in the movie The Boys in Company C. The following year he starred in the movies like Apocalypse Now and Up From The Depths. He is well appreciated for starring the role of Gunnery Sergeant Hartman in the movie Full Metal Jacket and Mayor Tilman in the movie Mississippi Burning. In 2001, he appeared in the TV show Family Guy. His favorite quotes are I always love to come to Austin and there are a lot of whiners in every crowd. His net worth is $12 million dollars.