Jeanne Jugan would have been pleased by the scene.

The tree-lined campus of St. Joseph's Home for the Aged was littered with almost as many fun-lovers as fallen leaves. And they spanned the generations: from giggling children pitching beanbags to elderly nuns getting their first taste of cotton candy and residents tapping the arms of their wheelchairs in time with the Irish dancers on stage. Nearby, guests visited rows of tents to sample cuisine from Italy, Ireland, Australia,