Nicasio is of Spanish and Italian origin, meaning 'victory of the nation.' It's a unique name that has been predominantly used in Spain, Italy, and South America. The name Nicasio is also found in other countries where there are Spanish and Italian communities.
"The name Nicasio has seen fluctuating popularity over time, with the highest number of births recorded in a single year being 13 in 1998, and the lowest being just 5 on several occasions from 1974 to 2021. The total number of births for this name between 1928 and 2022 is 289."