Quick answer
Henrietta is a girl name.
Pronunciation: English /ˌhɛn.ɹi.ˈɛt.ə/; Hungarian /ˈhɛn.riʲ.ɛt.tɒ/; Finnish /ˈhen.ri.et.tɑ/.
Meaning and history
Latinate form of Henriette. It was introduced to England by Henriette Marie, the wife of the 17th-century English king Charles I. The name Henriette was also Anglicized as Harriet, a form that was initially more popular.
Notes and context
Usage: english, hungarian, finnish, swedish