Spear strength
A variation of the Welsh name Gareth, it is derived from the Germanic elements for spear and strength. It gained popularity through Arthurian legend, specifically associated with Sir Gareth of the Round Table. The 'h' ending is a common English variant of the original Welsh form.
Fewer than 5 boys were named Garreth in 2025.
A Knight of the Round Table and brother of Gawain · Le Morte d'Arthur
Welsh professional footballer
British film director known for Rogue One
English football manager and former player
US births per 5-year period, 1990–present (SSA data).