Later on Wednesday, Prime Minister Jean-Pierre Raffarin will attend a religiousceremony to honour the victims' memory at the American Cathedral in Paris.
The Rhode Island legislation states that religious institutions may set their own rules regarding who is eligible to marry within the faith and specifies that no religious leader is obligated to officiate at any marriage ceremony and no religious group is required to provide facilities or services related to a gay marriage.
Culture Secretary Maria Miller told the Commons marriage would be extended to same-sex couples in a civil ceremony and religious organisations which wish to "opt in" to offering ceremonies.
"(Years ago) I would get calls from (engaged couples of different cultural or religious traditions) who were desperate and sad ... and after a ceremony I would secretly hear a family member or maybe the florist say (about the wedding couple), 'Oh, that's not going to work, ' " Macomb says.