A spokesperson confirmed they plan to throw a larger celebration with friends and family next summer.
The couple announced their engagement last year, and their first child together, named Wilfred, was born in April 2020.
The Prime Minister has been married twice before – he divorced Allergra Moyston-Owen in 1993, and his divorce to Marina Wheeler was finalised last year.
Yesterday’s ceremony means he is the first serving Prime Minister to get married in office since Lord Liverpool married Mary Chester in 1822.
Carrie now plans to take her husband’s name and will be known as Carrie Johnson.
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