The boy's name Giacintho \gi(a)-cin-tho, giaci-ntho\ is a variant of Jacinto.
The baby name Giacintho sounds like Giacinto. Another similar baby name is Hyacinthe.
Giacintho is a very rare male first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Giacintho. Click here to compare Giacintho with related baby names.