Mary married Florian Lampert Jr. (son of Florian Lampert Sr.) on May 4, 1885. They had seven children-- five sons and two daughters.

Lt. Col. James G. Blaine Lampert
Benjamin Harrison Lampert
Col. Lester Leland Lampert, Sr.
Florian J. Lampert (b. Jul 1895)
Phillip D. Lampert (b. 1899 d. 12 Dec 1960 Toma, , Wisconsin)
Phoebe Lampert
Jessie May Lampert

All of the sons served their country in World War I. The eldest, Lt. Col. J. G. B. Lampert, died in France, on January 6, 1919. Her husband was a U.S. Congressman.
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"Wisconsin State Census, 1905," Mary C Lampert in household of Florian Lampert, Oshkosh city, ward 02, Winnebago, Wisconsin

name: Mary C Lampert
residence: Oshkosh city, ward 02, Winnebago, Wisconsin
age: 38y
estimated birth year: Abt 1867
birthplace: Wisconsin
relationship to head of household: Wife
race: White
gender: Female
marital status: Married
place of birth: parent 1: Germany
place of birth: parent 2: Germany
family number: 526
page number: 23
line number: 28
film number: 1020989
digital folder number: 4236872
image number: 00472
Household Gender Age Birthplace
self Florian Lampert M 42y Wisconsin
wife Mary C Lampert F 38y Wisconsin
son Blaine Lampert M 19y Wisconsin
son Benj H Lampert M 17y Wisconsin
son Lester L Lampert M 14y Wisconsin
son Florian Lampert M 9y Wisconsin
son Philip Lampert M 6y Wisconsin
dau Pheobe Lampert F 4y Wisconsin
dau Jessie May Lampert F 6m Wisconsin
John A Vetter M 86y Wisconsin
Hulda Smith F 18y Wisconsin

Source Citation
"Wisconsin State Census, 1905," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MMQK-NN5 : accessed 1 July 2012), Mary C Lampert in household of Florian Lampert, Oshkosh city, ward 02, Winnebago, Wisconsin.
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"Illinois, Deaths and Stillbirths, 1916-1947," Mary Lampert in entry for Florian Lampert, 1930

name: Florian Lampert
titles and terms (original):
death date: 18 Jul 1930
death place: Chicago Heights, Cook, Illinois
gender: Male
marital status:
race or color:
age: 67
estimated birth year: 1863
birth date: 08 Jul 1930
birthplace: West Bend, WI
father: Florian Lampert
father's titles and terms (original):
father's birth place: Benz, Switzerland
mother: Catherine Lampert
mother's titles and terms (original):
mother's birth place: Benz, Switzerland
occupation: Wisconsin Congressman
residence: Oshkosh, WI
street address:
spouse: Mary Lampert
spouse's titles and terms (original):
spouse's birthplace:
burial date: 21 Jul 1930
burial place: Oshkosh, WI
cemetery: Riverside
informant:
additional relatives:
digital folder number: 4008270
image number: 481
film number: 1644132
volume/page/certificate number: 25518

Source Citation
"Illinois, Deaths and Stillbirths, 1916-1947," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N3ZK-T32 : accessed 1 July 2012), Mary Lampert in entry for Florian Lampert, 1930.