In March Kinsella competed at the English Championships where she placed third in the all-around behind Amelie Morgan and Kelly Simm. She was later selected to compete at the 2019 European Championships alongside Ellie Downie, Morgan, and Simm. At the British Championships Kinsella placed fourth in the all-around, second on uneven bars, fourth on balance beam, and fifth on floor exercise. At the European Championships Kinsella qualified to the all-around final in third place behind Angelina Melnikova and Mélanie de Jesus dos Santos. She additionally qualified to the balance beam final in third and the floor exercise final in seventh. In the all-around final Kinsella finished fifteenth. During event finals she won gold on the balance beam making her the first British gymnast to become a European champion on the apparatus. She later placed seventh in the floor exercise final.