Whittall was born in 1976 in the Eastern Townships of Quebec and spent her childhood on a farm on the outskirts of South Durham.

[10] In 2013 Whittall created the poem 'Unequal to me',[11] a collection of book reviews illustrating gender bias, revealing sexism and misogyny, by swapping the authors' personal pronouns indicated by the critics.

In 2017, it was published in hardcover in the U.K. by Hodder & Stoughton, and in the United States by Ballantine Books, an imprint of Penguin Random House.

[18] In 2018, Whittall won a Canadian Screen Award for Best Writing in a Variety or Sketch Comedy Series for Baroness von Sketch Show, alongside Aurora Browne, Meredith MacNeill, Carolyn Taylor, Jennifer Whalen, Jennifer Goodhue, Monica Heisey and Mae Martin.

[19] She collaborated with Noel S. Baker and Pat Mills on the screenplay for the 2024 film We Forgot to Break Up, which was directed by Karen Knox.