Eustace is a gender-neutral name and is of Greek origin. It can be used for both girls and boys. It means fruitful. As a unisex name, this name is popular with both boys and girls. Pronounced as yoo-stus, the name is in the top 1000 of U.S birth chart of the year 1885 and not in the top 1000 of NameChef Most Popular Baby Names.
Eustace can be used for both boys and girls.