Aishah is from the Arabic ‘Ā'ishah (عائشة — alive, living, prosperous). Aishah is one of the Arabic feminine names — central to traditional Sunni Islamic heritage. ‘Ā'ishah bint Abī Bakr (c.
Aishah 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 Aishah reduce to 1, The Leader. This is a traditional interpretive system, not a factual claim about the name.