Meaning and history
Nia has several origins. In Welsh it is a form of the Irish name Niamh, associated with brightness, while in Swahili the word nia means "purpose" or "intention." It is also used as a short form of names ending in -nia. Notable bearers include actress Nia Long and dancer Nia Sioux.
Nia moved from #672 to #702 for girls between 2024 and 2025. Its highest annual birth count came in 2000, with 1,033 births.