Willa McKinnies was a human female in the early 23rd century. She was a noted architect and urban planner, who had worked on sites all over Earth, including Antarctica, the Serengeti, and South Sulawesi. When not traveling, she resided in a home of her own design in Mojave, California. In or around 2218, she conceived a child with Starfleet member and fellow Mojave resident named Charlie Pike. She gave birth to a son, Christopher, in 2219, and raised him as a single parent. "McKinnies" was also actor Jeffrey Hunter's birth name.