Maureen's Carrot Salad

This is my mother-in-law's recipes. Everyone loves it, even people that don't normally like carrot salad.

6 medium carrots, grated
3/4 cup diced celery
1/4 cup diced onion
1/2 cup diced apple
1/3 cup raisins
1/2 cup mayonnaise
Salt and pepper

Mix all together.