Laura-7 was a daughter of David-6 Calvin Warner Jr., and his wife Olive Rawson.

11 WARNER siblings.

Laura married Eugene Smith, a merchant in Oakfield (Elba), Genesee, NY. in 1829 in Ridgeway, Orleans, NY.
Burial place: Uncertain.

3 SMITH children:

1. Hiram D. Smith (1837-12/26/1895); m. Mary (_).
...1 SMITH child known:
...Julia Smith B-1858.

1860 Ridgeway, Orleans, NY:
Hiram Smith 22 [a Baker]
Mary Smith 20
Julia Smith 2

1870 Ridgeway, Orleans, NY:
Hiram Smith 33 (a Grocer) NY
Mary Smith 30 NY
Julia Smith 12 NY

Hiram Smith:
Born in Medina, NY
Death: December 26, 1895 in Queens, NY
Cause of death: fractured skull
Occupation: Confectioner, Grocer, Chief Salesman for the Hamilton Rubber Company of Trenton, NJ in 1885
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2. Laura Smith B-1838.
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3. Augusta Smith B-1844.

This may be incorrect; there may have been only two children: Hiram and Augusta.
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Very little is known about Laura and her family except that her husband was a merchant, and that her father, David-5 Calvin Warner Jr., son Hiram D.-7 Warner, and some other Warner family members were bakers, or "confectioners", along with her husband, Eugene Smith, as well as farmers.

Laura was alive in 1900 and lived in Brooklyn, NY, according to the obituary printed for her sister Amanda (Warner) Donnelly in Mason, Ingham, MI.

Note: Not sure if this is her:
1900 Borough of Brooklyn New York City, NY:
Head William Otterback M 34 Dist Of Columbia
Wife Jennie M. Otterback F 32 New York
Inmate Mary A. Whitehouse F 89 England
Inmate Sarah Jeffries F 85 England
Inmate Harriet Babcock F 86 New York
Inmate Sarah Copeland F 78 Ireland
Inmate Sarah Bissett F 81 New Jersey
Inmate Margaret Barrett F 83 New York
Inmate Emily Linquist F 66 Germany
Inmate Sarah Lyming F 78 England
Inmate Mary Watts F 79 New York
Inmate Harriet Arthur F 85 New York
Inmate Lucy Reeves F 86 New York
Inmate Harriet Doane F 76 Connecticut
Inmate Emma M. Roe F 86 England
Inmate Mary Kirkman F 79 New York
Inmate Jane Such F 91 England
Inmate Jane Southard F 81 New York
-->Inmate Laura Smith F 86 Mass
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Reference:

1850 Ridgeway, Orleans, NY:
Eugene Smith 42, born abt. 1808 NY
Laura Smith 35 NY
Hiram D. Smith 13 NY
Augusta Smith 6 NY

1855 Ridgeway, Orleans NY
Self Eugene Smith M 47
Wife Laura Smith F 40
Child House L. or Homer Smith M 18
Child Augusta Smith F 11

1860 Ridgeway, Orleans, NY taken Aug. 22, 1860:
Eugene Smith 52 [a Baker]
Laura Smith 46
Augusta Smith 15

1870 Ridgeway, Orleans, NY:
George Warner 29 Baker
Mary Warner 20
Laura Smith 57 NY [Aunt]

1880 Cannot find.

1900 Brooklyn, New York
See above.
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WARNER lineage: Laura-7 (Warner) Smith, David-6 C. Warner Jr., David-5 Calvin Warner Sr., Jesse-4 Warner Sr., Samuel-3 Warner Sr., Daniel-2 Warner Sr., Andrew-1 WARNER Sr., an Englishman who set sail with his wife and several children on the ship "Lyon" from Bristol, England on 8/23/1631 and landed 11/2/1631 at Nantasket, MA; and later completed the journey on 1/7/1632-33 to the newly established (1630) Massachusetts Bay Colony.
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Preliminary source: "The Descendants of Andrew Warner" by Lucien Warner and Josephine Genung Nichols, pub. 1919.
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Research: Mary E. Warner, 2011, 2013, 2015.
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Census search: Fraya Weiss 2013.