Mary Jo Eustace Biography: Age, Ex-Husband, Children, Net Worth, Career, Height

Mary Josephine Eustace, professionally known as Mary Jo Eustace, is a Canadian actress, singer-songwriter, comedian, model, author, and sous-chef best recognized for co-hosting the popular cooking series What’s for Dinner? alongside Ken Kostick in the late 1990s.

Her multifaceted career blends on-screen charm with culinary expertise, highlighted by guest spots on shows like Canada AM and her 1994 solo album Bone & Marrow, while her candid memoir Divorce Sucks (2009) offered raw insights into personal reinvention.

Eustace’s warmth and resilience, forged through high-profile challenges, have made her a relatable figure in entertainment and lifestyle media.

Profile

• Full Name: Mary Josephine Eustace
• Stage Name: Mary Jo Eustace
• Born: 1 May 1962
• Age: 63 years old
• Birthplace: Toronto, Ontario, Canada
• Nationality: Canadian
• Occupation: Actress, Singer-Songwriter, Comedian, Model, Author, Sous-Chef
• Height: 1.63m
• Parents: Unknown
• Siblings: Unknown
• Spouse: Dean McDermott (m. 1993–2006)
• Children: Jack McDermott, Lola Eustace
• Relationship: Divorced
• Net Worth: $5 million

Early Life and Education

Mary Josephine Eustace was born on May 1, 1962, in Toronto, Ontario, Canada, to parents who are not publicly known.

Details about any siblings are not publicly available.

Eustace attended Jarvis Collegiate Institute for high school and later studied English at McGill University in Montreal, immersing herself in literature and theater.

She completed her education with a culinary program at George Brown College, which honed her skills as a sous-chef and opened doors to food media.

Eustace is of Caucasian ethnicity, and her religious beliefs are unknown.

Career

Mary Eustace began her career in the early 1990s with acting roles in Canadian television, including appearances on Forever Knight and The Newsroom, where her natural poise and comedic timing stood out in ensemble casts.

She also pursued music, releasing her solo album Bone & Marrow in 1994, which blended folk influences with heartfelt lyrics and earned modest acclaim in indie circles.

These early ventures built her foundation in performance, leading to modeling gigs and a growing presence in Toronto’s arts scene that showcased her versatility beyond the screen.

Eustace’s breakthrough came in 1995 as co-host of What’s for Dinner? on Life Network, partnering with chef Ken Kostick to deliver engaging cooking segments that ran through the late 1990s and resonated with home audiences.

She expanded into morning television with regular spots on Canada AM from 2000 to 2001, while her film debut in That Old Feeling (1997) opposite Bette Midler highlighted her dramatic range.

In 2000, she co-authored the cookbook By My Side with Johanna Weinstein, marking her entry into lifestyle publishing and solidifying her multifaceted appeal in media.

Mary Eustace navigated personal shifts by returning to radio in 2007 as co-host of What’s for Breakfast? on PROUD FM, embracing Toronto’s vibrant LGBT community, and later launching He Said, She Said in 2008 on W Network.

Her 2009 memoir Divorce Sucks became a bestseller, offering witty advice on resilience that connected with readers facing life’s curveballs.

Recent endeavors include moderating HBO documentaries and appearing on The Traitors Canada in 2024, where her sharp instincts added levity to high-stakes challenges, while her advocacy for blended families continues to inspire through podcasts and essays.

Social Media

• Instagram Handle: @maryjoeustace
• Facebook Handle: Unknown
• Twitter Handle: Unknown

Personal Life

Mary Eustace married actor Dean McDermott on July 24, 1993, sharing son Jack McDermott (born October 10, 1998) before adopting daughter Lola Eustace (born April 2005) amid their process; the couple divorced on February 12, 2006, following McDermott’s affair with Tori Spelling, after which Eustace relocated to Canada as a single parent and finalized Lola’s adoption.

Filmography

• Forever Knight (1992)
• The Newsroom (1996)
• That Old Feeling (1997)
• Power Play (1998)

Discography

• Bone & Marrow (1994)

Net Worth

Mary Eustace has an estimated net worth of $5 million.

Her earnings primarily stem from hosting What’s for Dinner? and related culinary shows, which provided steady television fees and residuals, alongside acting roles in series like Forever Knight.

Book sales from Divorce Sucks and By My Side, plus appearances on Canada AM and recent reality TV like The Traitors Canada, contribute to her financial foundation.