The name Tanisha is a girl's name . Tanisha and discussed in our forums with posts like "Heaven/Hell/Purgatory: Top 100 US Girls".
From the experts:
Many invented names that end in -isha spring from the Arabic Aisha, an important name in the Muslim religion. The Ta- or Te- prefix was especially stylish for both girls and boys in the eighties. This name may also be related to Tanis.