Walsh is ultimately derived from Wallace. Wallace is derived from the Celtic word 'waleis', which means 'foreign or Celtic'. The name started as a nick name given by the Normans to the minority of Celtic people in Scotland.
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Walsh is ultimately derived from Wallace. Wallace is derived from the Celtic word 'waleis', which means 'foreign or Celtic'. The name started as a nick name given by the Normans to the minority of Celtic people in Scotland.