The classic original members of KISS are all in their 70s now, and the later “main” lineup members are in their 60s–70s.

Below is a quick age breakdown as of late 2025, using their known birth dates.

Original 1970s lineup

These four are the faces most people think of when they say “the members of KISS.”

Member Role / Persona Birth date Approx. age in 2025
Paul Stanley Rhythm guitar, vocals – “Starchild” January 20, 1952 About 73 years old
Gene Simmons Bass, vocals – “Demon” August 25, 1949 About 76 years old
Ace Frehley Lead guitar – “Spaceman” April 27, 1951 About 74 years old
Peter Criss Drums, vocals – “Catman” December 20, 1945 About 79 years old
[8][6]

Later “main” lineup members

Through the 80s and into the reunion years, KISS cycled through a few key players who are also often counted when people ask how old the “members of KISS” are.

Member Known for era/persona Birth date Approx. age in 2025
Eric Carr Drummer, “Fox” (1980–1991) July 12, 1950 – died 1991 Would be mid‑70s if alive
Vinnie Vincent Lead guitar, “Ankh Warrior” August 6, 1952 About 73 years old
Mark St. John Lead guitar (1984) January 7, 1956 – died 2007 Would be late 60s if alive
Bruce Kulick Lead guitar (1984–1996) December 12, 1953 About 72 years old
Eric Singer Drums, later “Catman” makeup May 12, 1958 About 67 years old
Tommy Thayer Lead guitar, “Spaceman” since 2000s November 7, 1960 About 65 years old
[8][6]

Quick notes and context

  • All the core surviving members are senior but still occasionally appear for special events, interviews, and one‑off performances, even after KISS’ farewell touring era.
  • With KISS formed in 1973, their ages reflect over fifty years of activity as a band and brand, which is part of why their “how old are they now?” status keeps trending in fan forums and news pieces.

Information gathered from public sources and news coverage about KISS and its members.