In the 1918 Sears Modern Homes catalog the Sears Auburn is described as Massive and Ornamental. The Auburn is a four square with approximately 2400 square feet and another 500 square feet if you count the porches off the back. And, ornamental, yes ... compared to most four squares it is ornamental.
Old Portland (Four Square) A very distinctive style popular around the early 20th century. A large square box with low hipped roof and a deep overhang, full porch with wide stairs. Two to two-and-one-half stories with a large central dormer.