Pusey

Habitational name from Pusey in Oxfordshire (formerly in Berkshire), so called from Old English peose, piosu ‘pea(s)’ + ēg ‘island’, ‘low-lying land’, or from Pewsey in Wiltshire, recorded in Domesday Book as Pevesie, apparently from the genitive case of an Old English personal name Pefe, not independently attested + Old English ēg ‘island’.

Habitational name form Pusey in Haute-Saône, so named from a Gallo-Roman personal name, Pusius, + the locative suffix -acum.