Guiliano is of Italian origin, meaning "youthful" or "young." It is derived from the Latin word 'iunius,' which denotes June, the month traditionally associated with youth and vitality. The name Guiliano follows a long tradition of names inspired by the seasons and months in Italy. It was popularized during the Middle Ages but remains lesser-known compared to its Italian counterparts like Giovanni or Giuseppi. Guiliano is composed of three syllables and has a melodic, rhythmic sound when spoken aloud.
The name Guiliano experienced a dip in popularity between 1988 and 1989, with births decreasing from 5 to 7, but it saw a significant increase again in 2020 with another 5 births. Over these three years, there were a total of 17 babies named Guiliano.