Notes:

1860 Census with parents in Royalton
1870 Census - can't find
1880 Census - in Wheatfield - married with 2 children - Wittkopp in LaSalle
1900 Census - can't find
1910 Census - can't find
1920 Census - can't find
1930 Census - can't find

3 June 1927 Tonawanda News
The funeral of John F. Witkop, who died yesterday morning at his home on the Ward road near St. Johnsburg, will be held tomorrow afternoon at 1:30 o'clock from the residence and half an hour later from the St. John's church in St. Johnsburg. Rev. Walter Thiemecke will conduct the services and burial will be in the St. John's cemetery. The survivors are a wife, Wilhelmina; two sons, Charles J. Witkop of St. Johnsburg and William C. Goerss of North Tonawanda; two daughters, Mrs. Christian G. Hoffmeister of North Tonawanda and Mrs. Otto Stoelting of Cambria, 20 grandchildren and five great grandchildren.

Cemetery records show as Witkop

Johannes married Wilhelmina about 1890. Wilhelmina was born in Apr 1850 in Prussia; died on 31 Jul 1927 in Town of Wheatfield, Niagara County, NY. [Group Sheet] [Family Chart]

Notes:

1 August 1927 Evening News of the Tonawandas
Wilhelmina Witkopp, 77 years old, died suddenly last night at her home on the Ward road, town of Wheatfield. Death was attributed to heart disease, with which she had been ailing recently. Mrs. Witkopp's husband, John Witkopp, died in May. Mrs. Witkopp was born in Germany. For the past 56 years she had resided in the town of Wheatfield. She is survived by two daughters, Mrs. Otto Stoelting of Cambria and Mrs. Christian Hoffmeister of North Tonawanda; two sons, Carl Witkopp of St. Johnsburg and William C. Goerss, of North Tonawanda; 19 grandchildren and five great-grandchildren. The funeral will be held Wednesday afternoon at 2:30 o'clock at the residence and half an hour later at the St. John's church, St. Johnsburg. Rev. Walter Thiemecke will conduct the services and interment will be in the St. John's cemetery.
--
NF Gazette

Mrs. Wilhelmina Witkopp, Aged 77, Dies at Ward Road Home.
NORTH TONAWANDA, Aug. 2.-Wilhelmina Witkopp. 77 years old, died suddenly Sunday night at her home on the Ward road, town of Wheatfield. Death was attributed to heart disease, with which she had been ailing recently. Mrs. Witkopp's husband, John Witkopp died In May. Mrs. Witkopp was born in Germany. For the past 56 years, she had resided in the town of Wheatfield. She is survived by two daughters, Mrs. Otto Stoelting of Cambria and Mrs. Christian Hoffmeister of North Tonawanda; two sons, Carl Witkopp of St. Johnsburg and William G. Goerss of North Tonawanda, 19 grandchildren and 5 great grandchildren. The funeral will be held Wednesday afternoon at 2:30 o'clock at the residence and half an hour later at the St. Johnsburg É(sic). Rev. Walter Thiemecke will conduct the services and interment will be in St. John's cemetery.

Notes:

In 1860 Census in Royalton as Wtcop
In 1870 Census in Royalton with 2 children Augusta and Henry as Witcup/Witcap
In 1880 Census in Royalton with August as Wittcopp
Nothing showing in 1900 Census

Christian + LEMKE, Wilhelmine. Wilhelmine was born on 14 Aug 1812 in Wallmow, Brandenburg, Prussia; died on 1 Jul 1885 in Neu Wallmow, Town of Wheatfield, Niagara County, NY. [Group Sheet] [Family Chart]