Ivy is the English word for the evergreen climbing plant, used as a girl's name since the late nineteenth century when botanical names came briefly into fashion (Rose, Lily, Daisy, Violet, Ivy).
Ivy fell out of fashion through most of the twentieth century but has returned with the broader revival of nature names. Beyoncé and Jay-Z named their daughter Blue Ivy Carter in 2012; the name has been climbing rapidly ever since.
Two short letters, one syllable, evergreen meaning.
Ivy 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 Ivy reduce to 2, The Peacemaker. This is a traditional interpretive system, not a factual claim about the name.