English Fergus

← Scottish Gaelic Fearghas (derived)

← Scottish Gaelic fìor (mention)

← Scottish Gaelic fear (mention)

← Proto-Indo-European *ǵews- (root)

→ English Ferguson (suffix)

→ English McCorvey (mention)

→ Cebuano Fergus (derived)

→ Japanese ファーガス (borrowed)