Sutton comes from a common English surname meaning "southern settlement" or "south town" — from the Old English sūth (south) and tūn (settlement, town). Many English villages are named Sutton.
Sutton entered the U.S. top 1000 as a girl's name in 2007 and has been climbing steadily. The actress Sutton Foster, two-time Tony Award winner, is a prominent bearer. Today the name sits in the U.S. top 500 for girls.
Sutton 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 Sutton reduce to 1, The Leader. This is a traditional interpretive system, not a factual claim about the name.