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SUSAN LORRAINE COLLISON
It is with deep sadness we announce the passing of Susan Lorraine Collison on Tuesday, May 26, 2026. Susan passed peacefully at home with family by her side. Susan was a beloved wife, mother, Amma, sister, aunt and dedicated paediatrician. Susan is survived by her loving husband of 45 years, John Maguire; sons Sean (Brynne) and Nicholas (Amber); and grandchildren Paisleigh, Bronson, Mia, and Colten. Also left to cherish her memory are her brother Robert and twin sister Maureen (Ted Boughen), brother-in-law Doug Maguire (Becky Slater), sister-in-law Barbara Shute (Ken), and numerous nieces and nephews. Susan was predeceased by her parents, Merlin and Lorraine, and eldest brother Jim.
Born March 3, 1955, in Selkirk, Susan grew up in West Kildonan and went to West Kildonan Collegiate. She graduated from River East Collegiate after the family moved to North Kildonan. Susan attended the University of Winnipeg before earning her Medical Degree from the University of Manitoba in 1980. She then pursued paediatric residency training at the Children’s Hospital of Eastern Ontario for two years before completing her residency in Paediatrics at the Children’s Centre in Winnipeg in 1986. She obtained her Fellowship in Paediatrics (FRCP) in 1986. Susan dedicated her professional life to the health and well-being of children. She loved babies. She practiced at the Meadowood Medical Centre with partner Dr. Sharon Moisiuk for 10 years before joining the Department of Paediatrics in 1997 at Children’s Hospital Medical Centre/Paediatric Adolescence Clinic, where she practiced with, among others, her sister Maureen until her retirement in 2014. More than a few times she could be heard saying, “I am not who you think I am” or “I am the other one.” Susan’s commitment to Paediatrics extended beyond her clinical practice. She was a teacher and mentor who influenced several generations of medical students and postgraduate trainees in Paediatrics. Her kindness, collegiality and dedication to patient care left a lasting impact on colleagues, learners and families she served.
Similar to many, Susan was part of a number of communities. An avid reader, she had her book club, she played bridge with the “Bridgettes,” she was part of a dinner group which originated over 30 years ago, she had her city friends and her lake friends and she had family. Susan lived life to the fullest. She loved a good party, often leading the dancing. She could always be relied upon for a tasty mojito or delicious margarita.
When the children were younger, winter meant annual ski trips to the mountains along with memorable family vacations to New Zealand and Italy. Following retirement, Susan and John were fortunate to be able to travel internationally to Europe and South America. For many years, there was an annual trip to Turks & Caicos where she loved to bask in the sun on the fabulous beach at Grace Bay. In later years, winter meant time in La Quinta golfing, cycling, and hiking with great friends Debbie and Nick.
Of all places, her favorite was the family cottage at West Hawk Lake - the best decision we ever made! She loved the solitude of the lake in both summer and winter as much as she loved entertaining family and friends. Picking blueberries was a favourite pastime. She was a fabulous pie maker, and we will all miss her legendary pies, blueberry in the summer and pumpkin at Thanksgiving.
Susan was a wonderful wife, mother, Amma, sister, aunt, colleague and friend. We are so thankful for all the good times we had together and take comfort knowing that her struggle with cancer has ended and that she now rests in peace.
The family would like to express their thanks and appreciation to the doctors and nurses at CancerCare who provided excellent care throughout her 11-year cancer journey. Thanks as well to the Palliative Care team for their compassion and care in these last few weeks.
Cremation has taken place. A memorial service will be held at St. Margaret’s Anglican Church, Westminster Ave. and Ethelbert St., on Thursday, June 4, at 10:30 a.m. Reception to follow at the Niakwa Country Club, 620 Niakwa Rd.
In lieu of flowers, donations may be made in Susan’s memory to Ovarian Cancer Canada or to Rossbrook House Inc.
As published in Winnipeg Free Press on May 30, 2026
Condolences & Memories (11 entries)
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I knew Susan Collison from my youth, being allowed to swim in their pool over the summer with Sean and Nicholas. And my mom Joan very happy to have somewhere for us to swim over the summer. She always provided us with a cool drink after our swim time. And was a genuine nice lady. I only know her from this interaction since our family doesn't have a cottage at west hawk lake. But in the few instances that I was invited out to west hawk lake i remember the blueberry being plentiful and in most summer cooking out at the lake. I only knew her in passing but she was a very generous and heart felt woman, who will be gravely missed. Maia Stainton Daughter of Joan and Mike Stainton - Posted by: Maia Stainton (niece of aunt Maureen) on: Jun 03, 2026
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I was so very saddened to hear of Susan's passing. I worked many years with her and we became more than just work colleague's. She was a cherished friend to me. She always had a smile and we would joke around a lot in the office. She was so very caring to her patients and friends. I am going to miss her very much. I send my heartfelt condolences to John & family and Dr Maureen Collison & family. - Posted by: Michelle Boychuk (Work colleaugue) on: Jun 02, 2026
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Maureen, I was so sad to hear about Susan's passing. Although I probably haven't seen either of you in over 50+ years, my memories of hanging out and being a friend with the Collison Twins is still special for me. Although its been over 47 years since I've lived in Winnipeg, I still have my "sources" back in the "Peg", so I have have managed to see what you and Susan have been up to. When I read her obituary, and how she was a great doctor, a great family person, a great friend, and a great adventurer and traveler; none of this surprises me. She lived a rich and full life, the life she was destined to lead; we knew that back in EPJH. The only question I have, did she still play the trombone?! May you and the entire family and Susan's extensive network be comforted by the great memories you all shared. Sending you hugs from the shores of the Pacific. Bruce Raber - Posted by: Bruce Raber (Jr High and High School friend) on: Jun 01, 2026
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It is with great sadness that we learned of Dr. Susan Collision's passing. We offer our deepest condolences to her family. Dr. Collison was treasured friend, supportive colleague and wonderful paediatrician to our daughter for 18 years. We are forever grateful for her care and we will remember her in our thoughts and prayers! - Posted by: Wade, Kathy and Sarah Shing (Friends, colleagues and patients) on: Jun 01, 2026
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Susan will be missed by all who have ever met her! My first introduction to Susan and Maureen was in 7th grade band class where both chose to play the slide trombone. We were classmates band mates and friends through junior and senior high and a year apart in Medical School. While in different Specialties Susan , Maureen and I shared a number of mutual patients at Children’s Hospital over the years and I have many fond memories of interacting with Susan and Maureen on those face to face occasions. There was always time for reminiscing and laughter. Susan was a special person and always one half of the “dynamic duo” of the “Collison Twins” for almost as long as I can remember. Condolences to John and Family, and to Maureen and Doug and family. Debi Bass nee Morry and Michael Bass - Posted by: Michael Bass (Junior High, Senior High Classmates, Medical School Friends, Colleagues) on: Jun 01, 2026
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Sending our heartfelt & deepest sympathy to John Maguire & family & Collison family on the sad passing of Dr. Susan Collison. So very sorry to see she passed away! Throughout her exceptional medical career it's evident she touched alot of lives long the way: 'I would like to be known as an intelligent woman, a courageous woman, a loving woman, a woman who teaches by being' - Maya Angelou My thoughts are with you at this very sad & difficult time. May her memory be a blessing Lynda Ruban staff & friends at the HSC Foundation - Posted by: Lynda Ruban (staff at the HSC Foundation) on: Jun 01, 2026
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Dear Maureen & Family, l am so very sorry to read of Susan’s passing. In high school, l prided myself on being able to tell you and Susan apart. I will always remember her great smile and laugh, her athleticism, and what a strong positive role model she and you both were in High School. I occasionally ran into Susan, when we were both working at HSC My sincere condolences. She will be greatly missed. - Posted by: Karen (Shreiber) Howell (High school friend) on: May 31, 2026
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Susan was a lovely woman, inside and out. She was also an excellent and compassionate pediatrician, as I knew from experience with my two daughters attending her. She gave me good medical and parenting advice, sharing something her mother-in-law had shared with her- "love them unconditionally and laugh a lot". I referred often to her and all who saw her were so very thankful for her care. My heart goes out to John, the boys, grandchildren and Maureen and family. - Posted by: Beverly Rutherford (friend from Med School) on: May 30, 2026
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So sorry for your loss. Susan was a very special lady. I always enjoyed our visits at the course. My thoughts are with you. - Posted by: Jack Mutton (Friend) on: May 30, 2026
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DR. SUSAN COLLISON WAS AN AMAZING PERSON AND DOCTOR. ON MANY OCCASIONS SHE OFTEN SAW OUR DAUGHTER AS A BACK-UP TO DR. MAUREEN COLLISON. SHE WAS COMPASSIONATE. CARING AND SO VERY HELPFUL. WE ARE DEEPLY SADDENED BY HER PASSING AND WISH THE ENTIRE FAMILY INNER PEACE AND CALM. LOVE LASTS FOREVER IN OUR HEARTS. ♥️⚘🦋 ELAINE AND RICK STEVENSON - Posted by: Elaine Stevenson (Daughter sometimes saw Dr. Susan Collison as a patient.) on: May 30, 2026
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Our condolences to Dr Collison's family We certainly loved her while she was looking after my girls. Always available either in person or by phone. We talk about her on occasion. Please accept our sympathy for all of your family. Marian, Lindsay and Alison Martin We saw Dr Collison for many years at Meadowood Medical Clinic - Posted by: Marian , Lindsay and Alison Martin (Former patients of Dr Collison) on: May 30, 2026
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