how old is marlo thomas

Marlo Thomas is 88 years old as of early 2026.

Quick Scoop

• Marlo Thomas was born on November 21, 1937, in Detroit/Deerfield, Michigan, U.S.

• Public bios and birthday sites list her age as 88, reflecting that she turned 88 on November 21, 2025.

• She is widely known as an American actress, author, and philanthropist, especially for the TV series That Girl and the project Free to Be… You and Me.

Information gathered from public forums or data available on the internet and portrayed here.