The Ronayne Sisters Millinery was a hat shop located at 42 San Pablo Avenue, Oakland, California.
In the following 1910 advertisement, it is evident that Oakland wanted to compete with New York City and Paris for the latest fashions:
"Our Trimmed Hats are Bewitching and Economical. They are the Products of Skilled Milliners, who are Thoroughly Posted on Every Hat Fancy that Dame Fashion Presents. The Best Ideas from Paris and America's Metropolitan Fashion Centers. Beauty and Style that Rivals the Finest Stores in New York. We Save You Money. Come in and Talk It Over."