Collard completed a law degree at the University of Ottawa in 1999 and pursued a public service career as a lawyer.

In 2003, she launched a pilot francophone school with 18 students – Trille des Bois – which was officially opened in 2010.

[4] In early 2020, Collard won the Liberal nomination for the by-election to the provincial electoral district of Ottawa—Vanier, which was vacated by Nathalie Des Rosiers.

[7] Lucille was instrumental in obtaining all-party support to have the Franco-Ontarian flag flown permanently at the provincial parliament.

She has pressed the provincial and federal governments to take urgent action to address the gaps in healthcare services, particularly for the francophone population in Ottawa-Vanier.