From an Irish surname which was derived from
Ó Dubhghaill meaning "descendant of Dubhghall" (see
DOUGAL). Sir Arthur Conan Doyle (1859-1930) was the author of the Sherlock Holmes mystery stories.
 | DOUGAL male Scottish, IrishAnglicized form of the Gaelic name Dubhghall, which meant "dark stranger" from dubh "dark" and gall "stranger". |