Mahsati Ganjavi (c. 1098-after 1185) — "great lady" — was the Persian female poet of Ganja (modern Azerbaijan), contemporary of Nizami Ganjavi. Tradition holds she was a courtesan-poet at the court of Sultan Sanjar.
Mahsati does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
In Pythagorean numerology the letters of Mahsati reduce to 8, The Visionary. This is a traditional interpretive system, not a factual claim about the name.