Meaning and Name Origin
Julius \j(u)-lius\ as a boys' name is of Greek origin, and the meaning of Julius is "Jove's child". Biblical: Julius, a Roman centurion, saved Paul during a hazardous voyage. Julio is the Spanish form. Singers Julio Iglesias, Julius La Rosa; basketball player Julius Erving.
Julius is a very popular first name for males (#313 out of 1220, Top 26%) and also a very popular surname for both adults and children (#8565 out of 88799, Top 10%). (2000 U.S. Census)
Charted below is the birth name popularity of Julius for boys. Julius reached its top rank of #94 in the U.S. then, and is presently at #309. (Top 1000 Birth Names Records, 2014)
Displayed below is a comparison of the popularity of the boy name Julius and affiliated names. Prominent related forms of Julius (#309 in 2014) are Julian (#47 in 2014), Julio (#452), Jule and Jules. These boy names were at the height of their popularity during the years 1900-1909 and are now significantly less popular, with the versions Jule, Jules and Julius becoming less fashionable. Julian (#47) and Julio (#452) are two of the more trendy names for newborns in this list, with Julian undergoing a resurgence in popularity. (Top 1000 Birth Names Records, 2014)
A suggested similar baby name is Junius. This name tends to be less frequently used than Julius.