Baptismal record from St. Joseph's Church, Oconto, 23 Jan 1867 for John Peter Van Ussen:
    F: Cornelius Van Ussen
    M: Wilhelmina
    GF: Peter Van Abel
    GM: Mrs. Peter Van Abel

John used "Van Essen" instead of "Van Ussen" in his adult life.

1895 census on June 20 for Oconto has head of household "John Vanesson" with 2 males and 1 female, which must be John and Helena, and son Clarence.

1900 census, Breitung Township, Dickinson County, Michigan, E.D. 53, sheet 7 line 8 has head of household "John Van Assen" (yes - that spelling was bound to happen eventually) with this data:

John     | Head | Jan 1867 | b. Wisconsin, Occ: Grocery Delivery Clk
Lena     | Wife | Oct 1867 | b. Holland, Imm: 1868, 4 children, 4 living
Clarence | Son  | Nov 1892 | b. Wisconsin
Anna     | Dau. | Dec 1895 | b. Wisconsin
Etta     | Dau. | Oct 1897 | b. Wisconsin
Harold   | Son  | Oct 1899 | b. Wisconsin

1910 Brown County Wisconsin census not yet examined for John.

The birth years for the children were all off by one year (should have been one year earlier) and the immigration year for Helena was off by a whopping 7 years - I'll bet John was the informant for all this bad data.

1920 census in Howard Township, Brown County, Wisconsin, showed father, Cornelius living with him at the farm along with wife, Helena, and the younger children.

[begin quote Green Bay Press-Gazette (? I didn't record any source info... drat...)]

OBITUARY

Van Essen -- Funeral services for John P. Van Essen, 465 Abrams street, who died Tuesday, will be held at 9 o'clock Thursday morning in St. Philip church with the Rev. Theodore Verbeten officiating and burial in Allouez cemetery. The body is at Mohr's funeral home where Father Verbeten will say the rosary at 8 o'clock tonight.

[end quote]

• Married: 04 Sep 1889 in Oconto, Wisconsin

1. Clarence Cornelius Van Essen b: 13 Nov 1891 in Oconto, Wisconsin c: 22 Nov 1891 in Oconto, Wisconsin
2. Anna Elizabeth Van Essen b: 05 Dec 1894 in Oconto, Wisconsin c: 09 Dec 1894 in Oconto, Wisconsin
3. Ethel May Van Essen b: 25 Oct 1896 in Oconto, Wisconsin c: 19 Nov 1896 in Oconto, Wisconsin
4. Harold Eugene Van Essen b: 07 Oct 1898 in Niagara, Wisconsin
5. Mildred Ernestine Van Essen b: 10 Feb 1901 in Quinnesec, Michigan
6. Mabel Van Essen b: 10 Feb 1901 in Quinnesec, Michigan
7. Raymond John Van Essen b: 21 Jul 1903 in Quinnesec, Michigan
8. Lambert Ant. Van Essen b: 25 Oct 1905 in Quinnesec, Michigan
9. Wilhelmina Marcella Van Essen b: 17 Jun 1909 in Green Bay, Wisconsin
10. Elizabeth Lucille "Lucille" Van Essen b: 13 Jun 1912 in Green Bay, Wisconsin