Unknown; likely a modern American creation
Tatanisha is a modern American name that emerged in the late 20th century. It is likely a creative elaboration of the name Tanisha, which itself gained popularity in the 1960s and 70s, potentially influenced by Swahili sounds or as a variation of the name Tanis.
Less common today
Tatanisha isn't in the latest US Top 1000. It last peaked at #6,762 in 1991.
US births per 5-year period, 1990βpresent (SSA data).