Sionyn
Welsh variation of John
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Updated Thu Mar 13 2025
Sionyn Origin and Meaning
The name Sionyn is a boy's name.
Sionyn is a rare masculine name of Welsh origin. It's a diminutive form of Siôn, the Welsh variant of John, which ultimately derives from the Hebrew name Yochanan, meaning "God is gracious." The distinctive suffix "-yn" is a Welsh diminutive that adds an endearing quality to the name. While uncommon even in Wales, Sionyn carries cultural significance as part of Wales' rich naming heritage. The name maintains connections to Welsh linguistic traditions and cultural identity, though it has not gained widespread popularity internationally. Sionyn offers a unique alternative for parents seeking a name with Celtic roots and distinctive character.