GlynnWelsh, Cornish Topographic name for someone who lived in a valley, from Welsh glyn and Cornish glin, or a habitational name from a place named with this word.
JekyllEnglish Derived from the Breton given name Judicaël. This name was used by Robert Louis Stevenson for the character of Dr Henry Jekyll in the book Strange Case of Dr Jekyll and Mr Hyde (1886).