★ HOW OLD IS KEIR O'DONNELL?
Keir O'Donnell is 47 years old, born November 8, 1978 in AU · Scorpio.
#299of 6,339 Writers on HotBirthdays
★ LEDE
About
Keir O'Donnell is an Australian actor and screenwriter born in 1978. He broke through with comedies like Wedding Crashers (2005) and The Break-Up (2006), then shifted to dramatic roles in Paul Blart: Mall Cop (2009) and American Sniper (2014). A Scorpio with life-path number 8, O'Donnell balances character work across film and television.
★ FEATURE
Biography
Keir O'Donnell is an Australian actor and screenwriter born on 1978-11-08. He's best known for comedic supporting roles in Wedding Crashers (2005) and The Break-Up (2006), establishing himself as a reliable character actor. O'Donnell later expanded into action-drama with Paul Blart: Mall Cop (2009) and American Sniper (2014), demonstrating range beyond comedy. Born under Scorpio, O'Donnell carries the sign's reputation for intensity and transformation — traits reflected in his genre-switching filmography. His dual occupation as both actor and screenwriter positions him within the broader creative industry, where performers often develop behind-the-camera skills. Based in Australia, O'Donnell has maintained steady work across Hollywood productions and television appearances, avoiding the overexposure trap that derails many comedy actors.
★ SIDEBAR
Trivia
- O'Donnell's breakout comedies Wedding Crashers and The Break-Up were released back-to-back in 2005–2006, establishing his profile as a character actor.
- He transitioned from comedy to dramatic roles in action films, including American Sniper, showing deliberate career range.
- Life-path number 8 is traditionally associated with material success and authority — fitting for someone juggling both acting and screenwriting careers.
★ SIDEBAR
Numerology
LIFE-PATH NUMBER
The Powerhouse
Driven and business-minded. Keir O'Donnell extend their craft into ownership: labels, production companies, brand lines.
★ ALL LIFE-PATH 8 CELEBS →★ ASTROLOGY
Birthday compatibility
By Chinese zodiac — san-he trine for best matches, opposing pair for the most friction-prone.
HIGHLY COMPATIBLE
- Hunter SchaferTiger · 1998
- Dylan WangTiger · 1998
- Kerris DorseyTiger · 1998
- Declan McKennaTiger · 1998
- AlexandraTiger · 1998
CHALLENGING
- Seol In-ahRat · 1996
- Rae Lil Black
★ FAQ
Frequently asked
- How old is Keir O'Donnell?
- Keir O'Donnell is 47 years old (born November 8, 1978).
- When is Keir O'Donnell's birthday?
- Keir O'Donnell was born on November 8, 1978.
- What is Keir O'Donnell's zodiac sign?
- Keir O'Donnell is a Scorpio, born November 8, 1978.
- What is Keir O'Donnell's Chinese zodiac sign?
- Keir O'Donnell was born in 1978, the year of the Earth Horse.
- Where is Keir O'Donnell from?
- Keir O'Donnell is from AU.
- What does Keir O'Donnell do?
- Keir O'Donnell is a writer.
- Is Keir O'Donnell still alive?
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