Mary Spencer
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| Height / weight | 1.80 m / 69 kg |
| Born | 12 Dec 1984 (41 years) |
| Nationality |  Canada |
| Nickname | Amazing |
Mary Spencer is an active professional boxer from Canada. She is a former WBA Super Welterweight World Champion and a highly decorated amateur who represented Canada at the 2012 London Olympics.
Player Profile and Personal Life
Mary Elizabeth Spencer was born on December 12, 1984, in Wiarton, Ontario, Canada. The Canadian fighter is 180 cm tall and has a wingspan of 180 cm.She has competed primarily in the Super Welterweight division as a professional. She fights from an orthodox position and is a member of the Chippewas of Nawash Unceded First Nation. Before turning professional, she enjoyed a legendary amateur career, winning three world championships and multiple continental titles.
Career
Spencer began her professional campaign in August 2021 with a first-round knockout victory. She quickly made waves in the paid ranks, winning her first seven fights, including a first-round stoppage of Cynthia Lozano to win the WBA International and WBC Silver titles.Her first world title opportunity came in December 2022, but she lost a unanimous decision to Femke Hermans for the IBO title. She suffered a second defeat to Hermans in a rematch the following year. Undeterred, Spencer rebounded in 2024, defeating Sonya Dreiling before capturing the Interim WBA Super Welterweight World Title in September 2024 with a unanimous decision over Naomi Mannes.
After being elevated to full champion status, Spencer successfully defended her title against Ogleidis Suárez in April 2025. However, her reign ended in October 2025 when she lost the belt to American star Mikaela Mayer via unanimous decision in a unification bout in Montreal.
Career Record:
Total - 13
Wins – 10
- By knockout – 6
- By decision - 4
Losses – 3
- By knockout – 0
- By decision - 3
Draws - 0
Medal Record
- 2005 - Gold, Podolsk World Championships (Welterweight)
- 2006 - Bronze, New Delhi World Championships (Welterweight)
- 2008 - Gold, Ningbo World Championships (Welterweight)
- 2008 - Gold, Pan American Championships (Welterweight)
- 2010 - Gold, Barbados World Championships (Middleweight)
- 2011 - Gold, Guadalajara Pan American Games (Light heavyweight)
Mary Spencer FAQ
Where is Mary Spencer from?
Mary Spencer was born in Wiarton, Ontario, Canada, and fights out of Montreal, Quebec.
How many world titles has Mary Spencer won?
She is a former WBA Super Welterweight world champion.
What is Mary Spencer's professional record?
Spencer's professional boxing record is 10 wins and 3 losses.