Helmi is the Finnish word for "pearl." Used as a feminine name across Finland for centuries.
Helmi is among the most popular girls' names in modern Finland.
Helmi 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 Helmi reduce to 2, The Peacemaker. This is a traditional interpretive system, not a factual claim about the name.