Top unionists figures rushed to offer their best wishes to the Duchess of Cambridge on Saturday, after it was revealed that she had successfully given birth.
The Prime Minister too has issued a statement of congratulation, following the news that the duchess and her newborn baby girl appear to be doing well.
She gave birth shortly after 8.30am on Saturday morning.
David Cameron led the congratulations to the Duke and Duchess of Cambridge on the birth their new daughter.
“I’m absolutely delighted for them,” the Prime Minister declared on his Twitter feed.
First Minister Peter Robinson MLA issued his own statement reading: “I offer my sincere congratulations to the Duke and Duchess of Cambridge on the birth of their baby daughter. The arrival of a new baby is a very exciting time for all parents and I extend my heartfelt wishes to them both on behalf of everyone in Northern Ireland.
“I wish them both every happiness on this wonderful occasion.”
Mike Nesbitt, leader of the UUP, said: “On behalf of our party associations throughout Northern Ireland and their thousands of members, I send warmest congratulations from the Ulster Unionist Party to the Duke and Duchess of Cambridge on the birth of their daughter.
“We are all delighted that both mother and baby are well, and our thoughts are joyful for the Cambridge family, the Queen and the broader Royal family.
“The Duke and Duchess have proved to be exceptionally popular in this part of the United Kingdom and we look forward to welcoming them and their two children to Northern Ireland in the near future.”
The Grand Orange Lodge of Ireland also issued a statement, reading: “The Orange Institution is delighted by today’s wonderful news and on behalf of the entire membership I wish to convey our warmest congratulations to the Duke and Duchess of Cambridge on the birth of a baby girl.
“We offer the Royal couple God’s richest blessing and wish them, Prince George, and the new Princess; much joy, good health, and unlimited happiness in the days, months, and years ahead.”
Later on Saturday evening, the moderator of the General Assembly of the Presbyterian Church in Ireland, the Right Reverend Dr. Michael Barry, issued a statement.
It read: “On behalf of the Presbyterian Church in Ireland, I would like to offer The Duke and Duchess of Cambridge our heartfelt congratulations on the birth of their daughter.
“We are pleased to hear that both mother and baby are doing well and offer our warm good wishes to Their Royal Highnesses. As their family grows, I pray that along with her brother Prince George, she will come in time to know the transforming love and saving grace of Christ.”
Meanwhile, deputy Prime Minister Nick Clegg said that he and his wife Miriam wished them “all the best as their family grows”.
“This is great news and an exciting time not only for them, but also Prince George,” he said.
Scotland’s First Minister Nicola Sturgeon said she was “delighted” at the news and offered her “warmest congratulations” to the royal couple.