Merricks is a surname of Welsh origin, functioning as a variant of the more common surname Merrick. Both Merricks and Merrick derive ultimately from the Welsh personal name Meurig, which traces back to the Old Welsh Mouric, possibly a Celtic adaptation of the Latin name Mauritius, itself a derivative of Maurus (meaning "dark-skinned" or "Moor"). The root given name Maurice was introduced to Britain by the Normans after the Conquest and became widely used in the form Morris. In Wales, the indigenous form Meurig was borne by several early medieval kings, most notably Meurig ap Tewdrig, a 5th-century ruler of the Kingdom of Gwent. The spelling Merricks, like Meyrick, reflects the Anglicisation and regional variation common in Welsh surnames as they migrated into English records. The additive -s may indicate a patronymic origin ("son of Merrick") or simply be a phonetic variant that became standardised in certain families. As a surname, Merricks is rare but can still be found today, primarily in Wales and regions of Welsh diaspora. Notable bearer: a place name Although no famous individuals bear the surname Merricks in recorded history, the name appears as a toponym: Merricks is a small town on the Mornington Peninsula in Victoria, Australia. According to local history, the town is believed to have inherited its name from an early cattle station owner surnamed Merricks. First settled in 1865 by John Caldwell, the area developed as a pastoral community, distinguishing itself from neighbouring fruit‑growing districts by its focus on cattle and sheep farming. Meaning: Variant of Merrick, which derives from Meurig, a Welsh form of Maurice (Latin Mauritius). Origin: Welsh surname. Type: Surname (patronymic or phonetic variant). Usage: Wales, Australia (via toponym).