Mint is from the English mint — also used as a Thai-English Chinese nickname tradition (Thai parents commonly select English botanical nicknames). Chalida Vijitvongthong (Mint, ชาลิดา วิจิตรวงศ์ทอง, born 1993) is a Thai actress — widely considered one of the figures of 21st-century Thai cinema + Thai Lakorn drama.
Mint 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 Mint reduce to 2, The Peacemaker. This is a traditional interpretive system, not a factual claim about the name.