The name Marielis seems to have peaked in popularity between the years 2000 and 2006, with a significant number of births occurring during this period. However, there is no clear trend or pattern of increase or decrease in its usage over time, as the numbers fluctuate quite a bit from year to year. It's interesting to note that there were no reported births with this name in several years, such as 1989, 1992, 1994, and 2020. The total number of births with this name over the specified period is 301.