Cream sugar and butter together. Then add eggs. Beat well. Combine flour, oatmeal, baking soda, salt and cinnamon in a separate bowl. Add to creamed mixture. Then add vanilla and raisins. When mixture is well combined, roll dough into 1" balls with hands. Place on a greased cookie sheet and press down slightly with two fingers. Bake at 350° for 10-12 minutes.