His first wife was Debra James. He married her in 1981 and the marriage ended in 1988. Debra was his high school girlfriend. Then he married Melanie Hill in 1990 and divorced her in 1997. The couple have two daughters together. He married Abigail Cruttenden in the same year and got separated after three years, in 2000. They have a daughter together. He married Georgina Sutcliffe in 2008 and announced their separation in 2010. He dated Georgina in 2006. They got engaged and arranged their wedding in 2008. It got cancelled for a personal reason and then, he again married her in the same year.

There were reports that Sean abused Georgina in 2009. There were domestic disturbances and police was called on three occasions. In 2010, they got separated. After the separation, Sean was very obsessed with Georgina and called her through phone and threatened her. Georgina complained about this and Sean was arrested for threatening calls and abusive SMS’s.

Georgina wanted to separate from her husband in 2009. They, then planned to get reunited again. They went to Rome for a break, for a week. The Rome week was great and things started to work out again. Within a year, Georgina again called her relationship, off, because of his ill treatments and the abusive calls. It was said that he cheated on Georgina, just three months after the Rome vacation, with an affair. He was kissing a blonde woman in a pub. He kissed her on her lips on a bench, surrounded by his friends. One of the friends, took a picture and sent it to Georgina. There were a lot of pictures of this kiss. It is also said that he took her to a club, far away. The friends of the couple stated that the divorce was not a surprise for them. Their relationship was off and on for a long time and it was a known fact that it would not last for long.

Other details about separation settlement, alimony and other details are not available on the internet. Not just for this separation, for all the four separations, the legal part details are not available in the internet. After the separation, he announced that he has done with trying to be married and would not start again from the beginning, but, he ended up dating, the next year.

In 2013, he started dating Ashley Moore. Both of them were dating from 2013. There are a lot of pictures of Sean and Moore, kissing, walking hand-in-hand and other intimate pictures. The couple has not talked about engagement, as of now.

His separation from Debra was due to his move to London. When he was in London, studying RADA, he fell for his fellow student, Melanie Hill. The reason for separation for most of the marriages were not known to the media. His wives never talked about their relationship with him, other than Georgina.