Christine McGuire was born on July 30, 1926 in Middletown, Ohio, USA. She was married to David Mudd, Guy Marks, Robert Hugh Spain, John Henry Teeter and Harold Ashcraft. She died on December 28, 2018 in Las Vegas, Nevada, USA.
She was the oldest of the three McGuire Sisters, a popular vocal trio in the 1950s.
After the trio broke up in the late 1960s, she invested in real estate, restaurants, and other businesses. She lived in Las Vegas and Arizona for many years.
With Christine's death, Phyllis is the lone surviving sister; Dorothy died in 2012.