I know a lot don't get Easter Monday but it was a family thing for me in putting it in. We didn't travel with the kids at Christmas so it was Thanksgiving as the last time we visited family and if we were going to go again it would be the Easter long weekend or they would come to visit us. More usual is that family was involved with church events that often was special choirs, drama plays etc on Good Friday/Easter Sunday and well after all the extra rehearsals and the fact Friday was not a holiday at my house I wanted the Monday to either rest up or travel home depending on what we had done that year.
Remembrance Day is not a holiday for everyone either but since hubby is military it allowed me to attend ceremony with him if I wanted. Here in Ottawa federal workers get the day and I disliked doing daycare for them while they got a day to start their Christmas shopping. So in there for both reasons.
Now depending on what my family is doing, how much I like a family or what their circumstances I have made myself available for both of these holidays - sometimes with extra pay and sometimes not - things like a student writing a university exam, a single mom with no family in the area who works in a restaurant that is open, etc. Then again if I am opening for them at no fee, I let others know I am open but at a premium and well some end up paying me extra and some don't and that is my business and I make an extra $50-75 for the day - just by putting it in my contract I can be closed if I want to be.