Italians were early proprietors (Scotto and Mercadante) but around 1892 more Croatians were employees and eventually became Croatian run
Queen Restaurant. 1890 Los Angeles County Directory. p279 & 369. Tel 456. 1892-01-31. QUEEN RESTAURANT, St. Charles Building, 316 N. Main St. This well-known restaurant has passed into the hands of Nicholas Mercadante, who will hereafter conduct it.
In 1902/3, the Queen Restaurant was at 311 N Main St