Margot was born and raised in Saint John, New Brunswick. She graduated from Mount Allison University with a Bachelor of Fine Arts Degree in 1984. Following graduation, she decided to pursue her art full time. Margot has gone on to exhibit her work around the world, participating in 115 International Exhibits, almost all of them Juried Competitions in 14 different countries, including shows throughout Canada, throughout the United States, as well as shows in Greece, Germany, Bulgaria, India, Spain, Australia, Poland, England, Turkey, Mexico, France, and Romania. Margot has won 15 awards for her artwork at international juried competitions. Margot has also had 36 solo exhibitions, including shows in Ontario, New Brunswick, Nova Scotia, Prince Edward Island, and on the U.S. Virgin Islands. She also participates in numerous local, regional, provincial and National shows. Margot is currently preparing for solo exhibits at the Timmins Museum, National Exhibition Centre in Timmins, at the Temiskaming Art Gallery in Haileybury, and the Paquin Art Gallery in Kapuskasing, all in 2017.
In 1987, Margot married Bruce Splane; they have three children. In 2001 the family was relocated to Timmins Ontario. Margot works on her acrylic paintings in the winter and on her serigraph prints in the summer. Margot pulls all of her serigraphs by hand in her studio.
While at University, Margot studied under David Silverberg and Thaddeus Holownia. She has also received technical advice from artists Alex Colville, Ken Danby, Lindee Climo, and Fred Ross.
Margot has also been elected as a member of the Federation of Canadian Artists and the Society of Canadian Artists.