When it was added in 1597, it was put on the day of her death, April 29; however, because this conflicted with the feast of Saint Peter of Verona which also fell on the 29th of April, Catherine's feast day was moved in 1628 to the new date of April 30.
V svojem življenju je videla bogastvo in srečo, vzpon in padec svojih otrok ter večino njih in svojih vnukov je pospremila do groba.