What does Logan mean?
Logan is a Scottish surname and place name from the Gaelic lagan, “little hollow.” A surname turned first name, it has soared in recent decades for boys and, increasingly, girls.
What does Douglas mean?
From Scottish Gaelic 'dubh glais' meaning 'dark stream' or 'dark water' (dubh 'dark' + glais 'stream, water'), originally a river name and clan surname.