Cardinal Chibly Langlois, the first Cardinal named from Haiti, will be the main celebrant at this weekend's annual Mass to celebrate the Feast of Our Lady of Perpetual Help. The Mass will be held at 2 p.m. on Sunday, June 22 at Our Lady of Perpetual Help Basilica (Mission church), 1545 Tremont St. Boston. Cardinal Langlois, who is from the Lavalle area near Jacmel, was named to the College of Cardinals this year by Pope Francis. After Sunday's Mass, Cardinal Langlois will be the guest of honor at a dinner at Boston College High School in Dorchester. Tickets for the dinner are available for $75 per ticket. Proceeds from the event support the Haitian Apostolate, which assists Haitian priests in their retirement. Tickets can be reserved by calling or texting Marie at 857-417-7250.