This is Cousin Wesley's family
1850 U.S. Census in the home of John Zilheart, 54, Maryland, Wagon Maker, and
Nancy Zilheart, 55, Kentucky, Dist 68, Pettis County, MO
Britton Zilheart 28
William Zilheart 24
Philip S Zilheart 22
Mary I Zilheart 20
Wesley W Zilheart 17

William Zilheart, 24, married, Kentucky born Wagon Maker in Missouri

This is the beginning of Hattie's branch

1860 William H.S. Zilhart, 34, Kentucky born blacksmith at Annally, Sonoma County, California

1866 Voter registration William Henry Samuel Warner Zelhart, 40, still blacksmith Bodega Township

Wesley again
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1870 W.W. Zilhart, 43 (Aug 13), Carriage Maker New Franklin, Howard County, MO.
W W Zilhart 43
Susan Zilhart 48
Edward Zilhart 13

1880 William H. Zilhart, 54, Kentucky, Bodega, Sonoma County, California
Spouse's Name: Martha A. Zilhart
Father's Birthplace: Pennsylvania
Mother's Birthplace: Virginia
Occupation: Blacksmith
William H. Zilhart 54
Martha A. Zilhart 33
Martha J. Zilhart 15 Martha Jane Zilhart
Birth 4 Nov 1864 in Bodega, Sonoma County, California, USA Death 26 May 1947 in Yolo County, California, USA
George Washington Zilhart 13 George Washington Zelhart Zilhart Birth Jan 1867 in Sonoma County, California, USA
Ellen F. Zilhart 11 Ellen Frances Zilhart
Birth 1 Jan 1869 in Sonoma County, California, USA
Death 29 Sept 1942 in Sonoma County, California, USA
Lulu (1870-1877) lost
Hattie (1873-1877) lost
Charles F. Zilhart 1 Charles Frederick Zilhart
Birth 27 Feb 1879 in Freestone, Sonoma County, California, USA Death 2 Nov 1975 in Seattle, King County, Washington USA
Alta Brown
Birth 13 Jul 1879 in Sonoma County, California, USA
Death 23 Mar 1964 in Alameda, California USA

1900 Martha A Zilhart
[Marth Zelhart]
Age: 52
Birth Date: Apr 1848
Birthplace: Missouri
Home in 1900: Santa Rosa, Sonoma, California
Relation to Head of House: Head
Marital Status: Widowed
Marriage Year: 1864
Years Married: 36
Father's Birthplace: Virginia
Mother's Birthplace: Virginia
Mother: number of living children: 4
Mother: How many children: 6
Household Members:
Martha A Zilhart 52 (Apr 1848, Missouri)
George Washington Zilhart 33 (Jan 1867)
Frederic C Zilhart 21 (Feb 1879)
Wesley White Zilhart, cousin, 67 (Dec 1832, Kentucky)

1910 Martha R Zilhart
[Martha A Zilhart]

Age in 1910: 63
Birth Year: abt 1847
Birthplace: Missouri
Home in 1910: Santa Rosa Ward 4, Sonoma, California
Relation to Head of House: Housekeeper, with head, and four roomers.
Marital Status: Widowed
Father's Birthplace: Virginia
Mother's Birthplace: Virginia
1920 Martha A Zilhart
Age: 72
Birthplace: Missouri
Home in 1920: Santa Rosa Ward 4, Sonoma, California
Relation to Head of House: Head
Marital Status: Widowed
Father's Birthplace: Virginia
Mother's Birthplace: Virginia
Household Members:
Name Age
Martha A Zilhart 72
George Zilhart, son 54

1920 George Zilhart
[George Tillard]
Age: 54
Birth Year: abt 1866
Birthplace: California
Home in 1920: Santa Rosa Ward 4, Sonoma, California
Race: White
Relation to Head of House: Son
Marital Status: Single
Father's Birthplace: Kentucky
Mother's Name: Martha A Tillard
Mother's Birthplace: Missouri
Household Members:
Martha A Tillard 72
George Tillard 54

1860 United States Federal Census about Martha A Gauldin
Name: Martha A Gauldin
Age in 1860: 13
Birth Year: abt 1847
Birthplace: Missouri
Home in 1860: Annally, Sonoma, California
Gender: Female
Post Office: Sebastopol
Household Members:
Name Age
Jacob Fruits 53
Martha Fruits 48
George Fruits 16
John S Fruits 13
Robert F Fruits 10
Martha A Gauldin 13

1850 Martha Gauldin
Age: 3
Birth Year: abt 1847
Birthplace: Missouri
Home in 1850: District 46, Lafayette, Missouri
Gender: Female
Household Members:
Martha Gauldin 38
Josiah Gauldin 15
Mary Gauldin 11
Willis Gauldin 9
John T Gauldin 8
Franklin Gauldin 6
Martha Gauldin 3

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Hattie and her sister's obit is in the Russian River Flag, 15 March 1877. The girls may have died from diphtheria which killed four children in the Bean family in the same area.