The Sacred Heart

The symbol sits at the top of this window in the church.
1882
Stained Glass
Church of the Assumption, Windsor, Ontario, Canada

Besides the familiar image of Jesus with his heart on his breast, it is possible to use the heart itself, with the flame, cross, and encircling thorns, as a symbol of his love.

This image in full resolution
More of the Sacred Heart of Jesus

Photographed at the church by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license. Date provided by Delcol.