Aida is from the Arabic ʿāʾida (عائدة) — "returning visitor, reward." Verdi's Aida (1871) — commissioned for the Khedivial Opera House in Cairo by Ismail Pasha to mark the opening of the Suez Canal; the title character is an enslaved Ethiopian princess at the court of Egypt who falls in love with the Egyptian general Radamès; among the most-performed operas of all time — over 1,300 productions at the Metropolitan Opera since its 1886 premiere there. Leontyne Price's 1985 farewell Met performance of Aida is in the Grammy Hall of Fame; Anna Netrebko (2018) and Sondra Radvanovsky (2017) are among the most-acclaimed modern Aidas; Mária Callas's 1953 Mexico City recording is a classic. Aida Yespica — Venezuelan model. Aida is also a top-200 baby name in Egypt, Bosnia, and Turkey.
Aida 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 Aida reduce to 6, The Nurturer. This is a traditional interpretive system, not a factual claim about the name.