This was pinned under the fall of hair at the sides, to give extra fullness. Farm wives and women who worked just slicked the hair back into a bun. This was more of a functional way to keep the hair neat than to be fashionable. If you have long hair, duplicating this style will be easy. Evidence of wavy or curly hair is infrequent in period photos, so most likely women tried to straighten their hair to achieve this look.
Photos exist of women with short hair, but they are mostly teens.
Hair was only allowed to relax into longer, more elaborate styles at balls or formal affairs. Period women elaborately decorated their hair with jewelry, flowers and ribbons. Sausage curls and ringlets were popular. The reenactress with short hair will need to use a few tricks to achieve this look. Caps or bonnets may hide your short shag The clever use of falls, hair extensions, or a hairnet may be effective.