Wren is the English name of the small, dark-brown songbird famous for its disproportionately loud voice. In British folklore the wren was the "king of the birds," said to have outwitted the eagle in a contest to fly the highest.
Wren has been used as a girl's name only since the 2010s. It entered the U.S. top 1000 in 2013 and is rising rapidly.
Wren 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.
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In Pythagorean numerology the letters of Wren reduce to 6, The Nurturer. This is a traditional interpretive system, not a factual claim about the name.