Dark or black
Melanny is a modern spelling variant of Melanie, which is derived from the Greek word 'melas'. It historically refers to a dark complexion or dark hair and was popularized by Saint Melania the Elder and Saint Melania the Younger in the early Christian era.
Less common today
Melanny isn't in the latest US Top 1000. It last peaked at #2,592 in 2013.
US births per 5-year period, 1990βpresent (SSA data).