Hello there my maiden name is Silliker and i live in East Sussex in the Uk my fathers name is Silliker and i too have wondered where the name comes from. I know i have alot of familiy in canada and America that i have never met and my father has always told me that the Silliker's in his familiy were evacuated from England during the war.I know this dosn't answer your question fully however i hope it helps a little. Thanks sy