I have a grand daughter who is a confirmed catholic that is going to be married to a non-catholic who does not want to be married in the catholic church. They will be married by a Methodist minister who does not know them in a out door wedding. As a practicing Catholic may I attend?
The following links should assist you in understanding the Catholic Church’s teaching on attending weddings. If you have any further questions or concerns that are not answered by these links, please contact Catholic Answers directly.
Should I attend a civil marriage between two Catholics?
Can I attend the civil wedding of two baptized Catholics?
What are the rules for attending weddings?
Why doesn’t the Church forbid Catholic attendance at invalid marriages?