Should you give a plus-one to a guest who is a friend of the family?

Short answer

It is your choice, but the usual courtesy is to offer a plus-one to adult guests who are not in a relationship. Family friends fall into this category and deserve the same respect as other adult guests.

There is no rule that says you must give every guest a plus-one. The decision rests with you and your partner, and it is perfectly fine to keep your day to the people you know and want there. That said, a family friend is someone your parents trust and who will be in your home environment. Treating them differently from other adult guests can feel like a slight, so think about how the guest list reads as a whole.

Adult guests who are single are often left feeling awkward at a wedding where everyone else is paired up. A plus-one gives them a friendly face and makes the evening easier for everyone. You do not need to know the person in advance. A plus-one is not a commitment to invite them to every event, just the main celebration.

Consider these points before deciding:

How close are they to your parents or to you?
Will they know anyone else at the ceremony or reception?
Does your budget and venue size allow it?

If you cannot offer a plus-one to everyone, be consistent. Apply the same rule to all single adult guests, including family friends, so no one feels singled out. If you are unsure, a quick chat with the parents can help you decide what feels right for your family.