Updated June 9, 2019 Find Baby Names Boy name origins & meanings French : Marshy land near the sea; prayerEnglish : From Sidon Boy name variations Seymour Seymour + 20% this year Masculine Rare READ MORE DETAILS Seamor Seamor 0 % this year Masculine Rare READ MORE DETAILS Seamore Seamore 0 % this year Masculine Rare READ MORE DETAILS Seamour Seamour 0 % this year Masculine Rare READ MORE DETAILS Si Si + 20% this year Masculine Rare READ MORE DETAILS Sydney Sydney - 6% this year Neutral Common READ MORE DETAILS Syd Syd 0 % this year Neutral Rare READ MORE DETAILS How Popular Is The Name Sy Family name origins & meanings Hispanic (Philippines) : unexplained.African : unexplained.