A sandbar or the legal bar; a surname, or a dialectal/archaic form of 'bar'.
Primarily a surname (as in William Barr), but 'barr' also appears as a variant or archaic spelling of 'bar' in some English dialects, or referring to sandbars in water.
Most people encounter 'Barr' as a surname, but the word's origins trace back to the common noun 'bar'—showing how surnames often come from occupations, landmarks, or physical features that seemed important to medieval people.
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