Rennie is a gender-neutral name and is of English origin. It can be used for both girls and boys. It means brave ruler, water lily. As a unisex name, this name is popular with both boys and girls. Pronounced as ren-ee, the name is currently in the top 500 of NameChef Most Popular Baby Names and in the top 1000 of U.S birth chart of the year 1885. Variations of Rennie include Ren, Rene, Rainey.
Rennie also appears to be a variation or nickname of the Japanese name Ren. Katharine Mcphee and David Foster picked Rennie as the name for their first child, who was born in February, 2021.
Rennie can be used for both boys and girls.