Tracing Mothering Sunday goes back to the sixteenth century when people returned to their mother church (where you were baptised) for a service on the fourth Sunday of Lent.
In later times, Mothering Sunday became a day when domestic servants were given a day off to visit their mother church with their own mothers and families. It was often the only time that whole families gathered together.
The children would pick wild flowers along the way to place in the church or give to their mothers. Eventually this tradition evolved into the Mothering Sunday that we have today.