Do you know any Volciks? (family genealogy research)?

I am looking for Volciks,Walciks and any one who has info on the family genealogy. My grand mothers maiden name was walcik which was her emigrant grandfathers Christian name for Volcik. they changed the spelling when the cam to America and I have traced it as far back as Galveston Texas where the family had a few records from their immigration from the czech republic but have no further info. this part of my heritage is the only one I look like, can relate to and would like to better understand so if you can help please do.