The name Tarbula is a girl's name of Arabic origin meaning "square, block". Tarbula and discussed in our forums with posts like "12 Children NSRN CAF 8".
From the experts:
Tarbula is the exotic but now-forgotten name of an early Persian saint and martyr, sister of St. Simeon, who was accused of being a witch and sawed in half. Tarbula is also known by the names Tarba and Tarbo.