White wave or fair phantom
Jennipher is a rare spelling variant of Jennifer, which is the Cornish form of the Welsh name Gwenhwyfar. It historically refers to a person of fair complexion or a 'white wave,' famously associated with the Arthurian legend of Guinevere.
Less common today
Jennipher isn't in the latest US Top 1000. It last peaked at #5,363 in 1992.
US births per 5-year period, 1990–present (SSA data).
