As a Japanese surname, it is written with a kanji meaning "even", "flat", or "peace" (平); the same character is also used for the Japanese surname Taira as well as the Chinese surname spelled Píng in Hanyu Pinyin (reflecting the Standard Mandarin pronunciation).
[1] As an Indian name, it can also be spelled Heera, and originates from the Sanskrit word hīraka (हीरक) meaning "diamond".
[3][4] Statistics compiled by Patrick Hanks on the basis of the 2011 United Kingdom census and the 2011 census of Ireland found 293 people with the surname Hira on the island of Great Britain and one on the island of Ireland.
The 1881 United Kingdom census did not record any bearers of this surname.
[2] The 2010 United States Census found 513 people with the surname Hira, making it the 42,308th-most-common name in the country.