Alexa is a short form of Alexandra — from the Greek Alexandros, alexein (to defend) + aner (man). Amazon Alexa — Amazon's voice assistant, launched November 2014 with the original Echo speaker; as of 2024 has 500 million devices sold worldwide and 100,000+ skills. Princess Alexa of Liechtenstein (born 2008). Alexa Vega is the same as Alexa PenaVega.
Alexa 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 Alexa reduce to 7, The Seeker. This is a traditional interpretive system, not a factual claim about the name.