DD had her name as soon as we knew she was going to be a girl, I did have a list of girls names and DH and I would go through them but always went back to the original name.

With the twins we had 2 names picked out but then after about 6 weeks after we had settled on the names (around 23weeks) DH decided he wasn't too keen on one name chosen so I frantically started searching for a new name as I didn't want 1 twin with a name and 1 without. Saying that when I was carrying them it was always the baby on the right had the R name and the one on the left the L name.

My left sided baby was always coming first but when they were delivered my Ob told me it was the baby on the right born first, so hence he got the R name. It wasn't until they were 5 days old and both had kidney ultrasounds (my right side baby had a genetic kidney problem picked up before birth) that we found out the my left sided baby was in fact born first (he had no kidney issue) and therefore got his brothers name.

It must have been fate though as there is no way my boys suited each others names at all, so the names they have (even though they were swapped at birth) suit the little men they have become