Ilmacomes directly from the Finnish word for air or sky. In Finnish mythology, Ilmatar was the name of a female air spirit who mothered Väinämöinen. She was said to have both male and female attributes but she was most often portrayed as a female. In Finnish, the suffix of -tar denotes a feminine spirit. She was also known as Luonotar(female nature spirit). Ilmatar was often the subject of the Finnish National Epic, Kalevala, which chronicles Finnish myths and legends.
As of 2010, Ilmawas the 27th most popular female name in Bosnia & Herzegovina. In this case it may be a borrowing from the Italian form of Hilma..
The name comes from the Italian word for air and has been used as a feminine given name in Italy since Medieval times. Its usage as a given name in the United States may have caught on due to its musical associations, an aria is an elaborate vocal solo.
The name was borne by an early Roman Christian martyr.
Currently, Aria is the 356th most popular female name in the United States, (2010).