Keia is of Hawaiian origin, meaning "the sea". It's a unisex name but traditionally given to girls. The name gained popularity in the United States during the late 20th century and has been used consistently since then. Keia is often associated with warmth, freedom, and the beauty of nature.
The name Keia was popular among parents during the late 60s to early 80s, peaking between 1977 and 1983 with over 20 births each year. After that period, its popularity began to decline, reaching a low of just 5 births in both 2010 and 2012. Overall, the name Keia has been given to 597 newborns since 1967.