"Millions of brides indexed from genealogy files on other web sites. This site may be useful in "brick wall" situations to learn where an ancestor's sister went. Also be sure to check http://GedcomIndex.com, also by this webmaster, for a town-by-town listing of GEDCOM entries and a further explanation of GEDCOM files."
I've been researching my maternal family tree on ancestry.com (you get two weeks free) and then I uploaded the GEDCOM file to this free hosting service. It's a useful site to host your tree.