I'm looking for the same info (he's my wife's ancestor).Did you find anything yet? I've been to the Walworth County, WI records in Elkhorn WI because I have his birthplace listed as Geneva Jct, WI.I thought it may be close to Lake Geneva.Unfortunately their birth records only go back to 1877. I've also looked up the 1870 census images for Geneva township in Walworth County, but did not find any MacMasters there. I've looked up Illinois marriage licenses from the site http://www.library.sos.state.il.us/departments/archives/marriage.htmlhttp://www.library.sos.state.il.us/departments/archives/marriage.html since he married Daisy Adams in Crete, IL.The records are not complete yet, but I did not find him there.
Please let me know if you found anything or have any other ideas.He's one of the last of my children's ancestors lines that I can't follow outside the U.S.