At the start of Glee Season 1 in 2009, Cory Monteith was 27 years old, having been born on May 11, 1982. He turned 27 in May 2009 and remained 27 for the bulk of the season, which filmed in 2009 and premiered that spring. This profile explains the timeline, sources, and context for his age during that season.
Birth Date and Age Calculation
Cory Monteith was born on May 11, 1982. Based on this date:
- On March 17, 2009 (when production typically began for Season 1), he was 26.
- On his birthday, May 11, 2009, he turned 27.
- For most of Season 1, which aired from May to June 2009, he was 27.
Production and Air Timeline for Glee Season 1
Principal photography for Season 1 began in late 2008 and continued into 2009. The season premiered on Fox on May 19, 2009, and concluded in June 2009. Cory Monteigh’s age during filming and broadcast is best understood against this schedule.
Age Table for Key Dates
| Date or Period | Cory Monteith’s Age | Source Type |
|---|---|---|
| March 17, 2009 (production start) | 26 years old | Calculated from birth date |
| May 11, 2009 (birthday) | Turned 27 | Calculated from birth date |
| May 19, 2009 (Season 1 premiere) | 27 years old | Calculated from birth date |
| June 2009 (season finale and end of Season 1) | 27 years old | Calculated from birth date |
Context for On-Screen Portrayal
Monteith was in his late twenties during Season 1, which aligned with the show’s intent to depict high school students while casting slightly older actors to bring maturity to teenage storylines. His age influenced casting continuity and performance choices throughout the season.
Comparison with Main Cast Ages in Season 1
- Cory Monteith (born 1982): 27 for most of Season 1
- Lea Michele (born 1986): 22–23 in Season 1
- Chris Colfer (born 1990): 18–19 in Season 1
- Jane Lynch (born 1960): 49 in Season 1
Why the Age Question Persists
Viewers often ask about actors’ ages because Glee centers on high school teens but features actors in their mid-20s to early 30s. Monteith’s age in Season 1 reflects the show’s approach to casting experienced performers for heightened teen drama.
Post-Season 1 Context
After Season 1, Monteith continued in the series through Season 3 and beyond. His age advanced naturally with each subsequent season, but Season 1 remains a fixed reference point for his initial performance as Finn Hudson.
