The name Cathay is a girl's name . Cathay and is often added to lists like Place Names Off The Map and discussed in our forums with posts like "Generation CAF - Place Names".
From the experts:
A perfect example of what a difference a single letter can make. Add an 'a' to the ho-hum CATHY and you have the exotic old name for China, often used by such poets as Edna St. Vincent Millay and Ezra Pound.