Morgan

The surname Morgan is derived from the ancient Welsh personal name 'Morcant' which could mean either 'sea circle' or 'sea chief'. 

In Wales, Morgan evolved as a patronymic surname, indicating  descent from an ancestor named 'Morcant'. The surname became popular in the 15th century.

In Wales, the surname Morgan is most commonly found in Glamorgan, in southern Wales. In the US, the surname Morgan is most commonly found in 1. Missouri 2. New York 

3. Washington D.C. 4. Virginia 5. North Carolina 

Thomas Rees Morgan - Famous engineer