Peter Capaldi is a married man. He is married to his wife Elaine Collins in 1991. The marriage ceremony was held at Strathblane in the city of Glasgow in 1991. His wife Elaine Collins is also an actress and writer and they met each other in 1983 during the tour of the production of the Plaines Plough Theatre Company. The couple is blessed with one daughter named Muswell Hill and they are together since their marriage.
Peter Capaldi is one of the most successful actors of Scotland. He has been able to earn good sum from his acting and writing career. In 2016, his net worth was estimated to be $2 million.