Here are some links...in no particular order... that may be of interest to you:
1. The marriage of one of Martin’s daughters: 11490-80 John SMITH, 45, farmer, Stamford twp., Willoughby, s/o James SMITH & Janet McCREDIE, married Delilah Elizabeth WILHELM, 24, Bertie, same, d/o Martin WILHELM & Catherine WINGER, witn: John WILHELM of Bertie & Dinah HEXAMER (Heximer?) of Willoughby, 11 Feb 1880 at Drummondville
http://homepages.rootsweb.ancestry.com/~maryc/wland80.htm[Note: The 1st place name that follow the names tells where that person was born and the 2nd tells where he/she was living at the time of the marriage.]
2. Some information about Drummondville which is now part of the city of Niagara Falls:
http://www.niagarafallsinfo.com/history-item.php?entry_id=13...3. The 1852 census showing the Wilhelm household: Martin, Catharine, 4 children (Rebecca, Barbary/Barbara, Catharine, John) and probably Martin’s parents (Jacob & Barbary/Barbara)
[Note: Son Jacob and daughter Delilah... and maybe more children... were born after the 1852 census took place.
http://automatedgenealogy.com/census52/View.jsp?id=24102[Note: Click on split view to see the actual document.]
4. Marriage of son Jacob:
011342-78 (Welland Co.) Jacob WILHELM, 25, mechanic, Bertie, same, s/o Martin & Catherine, married Elizabeth SHISLER, 17, Humberstone, same, d/o Abram & Catherine, witn - John WILHELM of Bertie & Dinah? A. HEXIMER of Willoughby, 20 November 1878 at Stevensville
http://homepages.rootsweb.ancestry.com/~maryc/wland78.htm5. Marriage of son John:
011170-79 - John WILHELM, 29, farmer, Bertie, same, s/o Martin & Catherine, married Dina A. HEXIMER, 21, Willoughby, same, d/o G.H. & Elizabeth, witn - Jacob HEXIMER & Ida DELL, both of Willoughby, 22 October 1879 at Willoughby
http://homepages.rootsweb.ancestry.com/~maryc/wland7.htm6. Free website for 1852, 1901 and 1911 census in case you wish to search out the families of Martin’s married children:
http://automatedgenealogy.com/census/Province.jsp?province=O...[Just click on “Welland” in the district list and the particular census year in the upper right corner and go from there.]
Happy hunting!
Sharon