William was the second child of five born to John Ecker and Martha Poyser. He married Nettie Watson (daughter of Ranson H. and Rebecca Watson) on 1 Jan 1876. They had two children:

Carrie Rebecca
Harley Watson

Source: "Joseph Poyser and his Descendants 1769-1983" by Josephine Lois Poyser Fullerton pgs. 560, 562
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"United States Census, 1870," William Ecker in household of Thos Elliott, Indiana, United States

name: William Ecker
estimated birth year: 1849
gender: Male
age in 1870: 21y
color (white, black, mulatto, chinese, indian): White
birthplace: Indiana
home in 1870: Indiana, United States

Household Gender Age Birthplace
Thos Elliott M 63y Pennsylvania
Martha Elliott F 49y Ohio
Leander Ecker M 19y Indiana
William Ecker M 21y Indiana

Citing this Record

"United States Census, 1870," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MXXJ-XTT : accessed 08 Nov 2012), William Ecker in household of Thos Elliott, Indiana, United States; citing p. 31, family 211, NARA microfilm publication M593, FHL microfilm 0545810.
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"United States Census, 1910," William T Ecker, Elkhart Ward 5, Elkhart, Indiana

name: William T Ecker
birthplace: Indiana
relationship to head of household: Self
residence: Elkhart Ward 5, Elkhart, Indiana
marital status: Married
race : White
gender: Male
immigration year:
father's birthplace: Ohio
mother's birthplace: Ohio
family number: 66
page number: 3

Household Gender Age Birthplace
self William T Ecker M 62y Indiana
wife Nettie W Ecker F 54y Indiana
dau Carrie R Reames F 33y Indiana
Jeanette L Reames F 5y Indiana

Source Citation
"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MKGF-F6K : accessed 13 Aug 2012), William T Ecker, Elkhart Ward 5, Elkhart, Indiana; citing sheet 3A, family 66, NARA microfilm publication T624, FHL microfilm 1374360.