Kirsty De La Croix

 is one of the main characters in In the Long Run. She is the matriarch of the De La Croix family.

Biography
Kirsty lives with her family in Leyton nearby the Easmon family. Years ago, she had a quick, passionate affair with another man and had an illegitimate daughter, Melissa. Kirsty regretted it since, and while she loves her daughter, Kirsty and Bagpipes have since then had a rocky relationship.

Kirsty finds Bagpipes most attractive when he's doing something masculine and encourages him to be more adventurous and exciting. However, the memory of Kirsty's affair still haunts them.