Gillian was born and raised in Edinburgh, Scotland. She graduated from Queen Margaret University (Edinburgh) with a B.S. (Honors) in Speech and Language Pathology. She worked as a Speech and Language Pathologist in Scotland until moving to the United States in 2016 with her husband Kieran. Gillian moved to Chattanooga in 2019 where she now lives with her husband and two children Mason and Olivia. Both children attend Brainerd Baptist School and Gillian enjoys working as part of the BBS family.

She enjoys spending time with family, traveling, and paddle boarding.