Meaning and Name Origin
Hilario \hi-la-rio\ as a name for boys. Hilario's root is Latin, and Hilario means "cheerful, happy". Hilario is a derivative of Hilary (Latin): from the same root as "hilarious". Somewhat infrequently used as a boys' name.
Hilario is a somewhat prominent first name for men (#950 out of 1220, Top 78%) and an even more prominent surname for both adults and children (#15484 out of 88799, Top 17%). (2000 U.S. Census)
Presented below is the birth name popularity of Hilario for boys. Hilario was first listed in 1900-1909 and reached its top rank of #910 in the U.S. during 1920-1929, but is not listed currently. (2014 Birth Statistics)