Iren is from the Khakas Ирен (Iren — white, pure). Iren is one of the Khakas feminine names — central to traditional Khakas Indigenous Turkic-Siberian heritage. subject of pan-Siberian Indigenous identity heritage.
Iren 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 Iren reduce to 1, The Leader. This is a traditional interpretive system, not a factual claim about the name.