Male first name (English, Scottish): Logan, small cave, Old Irish (family name as first name), lagan = the small cave, from a Scottish family name, which in turn by the name of a place of meaning 'small cavity' is derived with a female first name (English , Scottish): Logan, small cave, Old Irish (family name as first name), lagan = the small cave, from a Scottish family name, which in turn derives from the name of a place is with the meaning 'small cavity'