The name Rumaldo has been used sparingly but consistently over the past century in the United States. Between 1912 and 2022, there were a total of 782 babies named Rumaldo born in the U.S., with the highest number of births occurring in 1946 (13 births) and 1948 (16 births). The years 1950 to 1952 also saw a notable increase in the popularity of the name, with 17, 12, and 11 births respectively. However, since the 1980s, the number of babies named Rumaldo has declined significantly, with fewer than 10 births per year on average from 1986 to 2022. Despite this decline in popularity, the name Rumaldo remains unique and distinctive, with its highest concentration of births occurring in the mid-20th century.