Mr. Feeny (played by William Daniels) was in his mid‑60s when Boy Meets World began and about 73 when it ended.

Quick Scoop

  • William Daniels was born on March 31, 1927.
  • Boy Meets World premiered in 1993, so he was about 66 years old in the first season.
  • The show’s original run ended in 2000, making him around 73 years old in the final season.

On-Screen Mr. Feeny’s Age

The character George Feeny is written as an experienced, long‑tenured teacher who later becomes a principal and college professor, which fits a man roughly in his 60s during the early seasons. Exact in‑universe age is never pinned down clearly on screen, so most fans estimate him to be in that same mid‑60s range when Cory first has him as a teacher.

Why Fans Still Ask

  • Mr. Feeny became a kind of idealized mentor figure, so fans today still compare real teachers to him in forum and social media discussions.
  • Nostalgia has spiked again with cast reunions and reports on Daniels celebrating milestones like his mid‑90s birthdays and surprise appearances, keeping questions like “how old was Mr. Feeny in Boy Meets World” trending in searches and casual conversations.

TL;DR: William Daniels was about 66–73 years old while filming Boy Meets World , and Mr. Feeny is generally understood to be around his mid‑60s when the series starts.

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