More than 850 Catholics from the Diocese of Rockville Centre, including Bishop John Barres, participated in Catholic Church of Long Island Night at Citi Field.
View a gallery of photos from Mass offered for those who died, those who mourn and those who suffer from illnesses stemming from the terrorist attacks.
The priest said that working with the fire department is "like serving another parish" and he is honored to work with these men and women.
A Eucharistic procession was held through each classroom of the school. See photos here.
Click here for photos from the event.
View a gallery of first-day pictures from across the diocese.
Announcing the new cardinals, Pope Francis said they illustrate "the missionary vocation of the church that continues to proclaim the merciful love of God to all men and women of the earth."
The saint's birthday was a major celebration in the house when she was alive, and the nuns continue to celebrate it even after her death in 1997 and canonization in 2016.