Rekha (रेखा) is from the Sanskrit rekhā — "line, row, streak" — also poetic for a constellation or a line of stars. Rekha Ganesan (born 1954) — Indian actress whose 70+ year Hindi cinema career, beginning as a child in Tamil films and continuing through major comeback after 2003, has made her one of the most enduring icons of Bollywood. Padma Shri (2010) — India's fourth-highest civilian honor.
Rekha 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 Rekha reduce to 7, The Seeker. This is a traditional interpretive system, not a factual claim about the name.