Mariluz first appears in the U.S. registration record in 1965. Its popularity climbed over the following decades. In 2004, 16 babies received the name (ranked #7278). Today it sits well outside the top 1,000 (around #11862), with roughly 9 babies named Mariluz each year. Mariluz's usage has held roughly steady recently. In total, around 428 babies have been registered with this name since 1880.