Perpetua \\p(e)-rpe-tua, per-petua\\ as a girl's name is of Latin origin, and the meaning of Perpetua is "forever, perpetual". Saint Perpetua was an early Christian martyr whose feast day is on March 6.
A baby name that sounds like Perpetua is Barbette.
Other similar names are Perlita, Perlette, Pepita, Perdita, Perita.