White wave, fair one, or white shadow
A modern phonetic spelling of Jennifer, which is the Cornish form of the Welsh name Gwenhwyfar. It historically refers to a woman of fair complexion or a 'white wave,' famously associated with the Arthurian Queen Guinevere.
Less common today
Jennyfer isn't in the latest US Top 1000. It last peaked at #2,013 in 2002.
French pop singer and actress
US births per 5-year period, 1990βpresent (SSA data).