In the latter case the donor provides the family's name and address to the charity at the time the gift is made. Even if you don't make a gift, a note or card to the deceased's family expressing your thoughts of the deceased is a welcome gesture, especially if you weren't able to attend the funeral.
If the pedal is still mushy or slowly sinks under pressure, with the outlet ports blocked, the master cylinder is bad. With the ports plugged, if the brake pedal is very high and firm, the problem is not with the cylinder.
Unless you have a leak in your hydraulic system, you should not have to add brake fluid. The fluid level sinks, however, as your pads wear. That's because with worn pads, your brake pistons are further out of the caliper. Once you force them back with new pads, the fluid level should go back to its original level.