Mass at a famous cathedral and the 9/11 Memorial were on the itinerary for Jimmy Cricket and his family.
Earlier during their holiday in New York, they watched a show on Broadway and visited the historic Ellis Island.
Jimmy tweeted: “Our last day in New York and we went to celebrate Mass in the iconic St Patrick’s Cathedral.
“Then onto 9/11 Memorial where once the Twin Towers stood, a day etched in all our minds
“Now an epitaph to all those who died and also a testament to man’s lack of humanity and empathy.”
Ellis Island, in New York Harbour, contains a museum and a former immigration inspection station.
It was the United States’ busiest immigrant inspection station from 1892 to 1954.
Ellis Island processed about 12 million immigrants to the country through the Port of New York and New Jersey.
Today, it is part of the Statue of Liberty national monument (right) and hosts a museum of immigration (below).
Popular entertainer Jimmy posted several messages and photos of the holiday.
He tweeted: “Been to see this wonderful musical, taken from the classic Disney film, “Frozen”, at the St James Theatre!
“Been to this wonderful city that never sleeps a few times, but never to Ellis Island, where walking in the footsteps of my fellow Irish countrymen in 1845, who came seeking a better life.
“I entered the Registry Room, then onto to Liberty Island to meet the great lady once again!”
The US trip included a visit to Hoboken, New Jersey, birthplace of legendary American singer and actor Frank Sinatra.
Jimmy posted: “I had the great pleasure of visiting the town of Hoboken where Sinatra was born and had spend his formative years.“