Women can find dresses, though they tend to be of poor quality and high price. Des Moines is surrounded by larger cities with good antique and vintage stores. Try Minneapolis, Chicago, Omaha, and Iowa City. We usually have good luck at vintage stores in Chicago and Omaha. She can also make bloomers and skirts.
Customers are always welcome to provide a pattern, as well.
Please email for more information. These were generally worn completely out or remade into women's or children's clothes. If you do find one, it is likely to be too small, because men were just smaller then. A sharkskin from the 50s is the easiest suit to find - we've even found them locally at thrift stores. Ties are quite easy to find - look in antique or junk stores.