Heat oven to 350°F. In large bowl, beat butter and sugars on medium speed of electric mixer until creamy.
Add eggs and vanilla; beat well. Add combined flour, baking soda, cinnamon, and salt; mix well.
Add oats and raisins; mix well. Drop dough by rounded spoonfuls onto ungreased cookie sheets.
Bake 8 to 10 minutes or until light golden brown. Cool 1 minute on cookie sheets; remove to wire rack. Cool completely and store tightly covered.