Thomas Sedgwick
b. abt 1820, England
d. apparently bet 1856 - 1860, prob. Bethany, Moultrie, Illinois
m. May 2, 1846, Moultrie County, Illinois, Mary (Polley) Roney
immigrated to Illinois before May 1846

Mary (Polly) Roney
b. abt 1822, Kentucky
d. August, 1911, Kansas4
bu August 28, 1911, Emporia, Lyon, Kansas, Maplewood Cemetery4  grave

Census records:

1850 IL Moultrie
Widow Polly:
1860 IL Moultrie
1870 IL Moultrie, Marrowbone
1880 IL Moultrie, Bethany
1900 KS Lyon, Emporia

The earliest record we find of Thomas Sedgwick is his marriage to Polley Roney on May 2, 1846 in Moultrie County, Illinois3

Thomas and Mary (Polly) appear the 1850 census with a Joseph Sedgwick. Is this Joseph a brother?

Children (Polly said in 1900 that she had 5, 3 living):

Thomas Noble Sedgwick
  b. August 1848, Illinois2
  d. May 5, 1905, Kansas4
  m. April 29, 1880, Emporia, Lyon, Kansas, Flora Frederick6
  bu May 7, 1905, Emporia, Lyon, Kansas, Maplewood Cemetery4  grave
Joseph Taylor Sedgwick
  b. January 1850, Illinois
  d. aft 1900, [Texas]
  m1 August 13, 1874, Moultrie County, Illinois, Carrie E Smutz (Book A pg 53)
  m2 June 23, 1898, Jefferson County, Texas, Sarah J Unknown-Collins-Wertz
James R Sedgwick
  b. abt 1854, Illinois
  d. June 12, 18964
  bu June 14, 1896, Emporia, Lyon, Kansas, Maplewood Cemetery  grave
Mary Jennie Sedgwick
  b. October 1857, Illinois
  d. abt 1907
  bu Emporia, Lyon, Kansas, Maplewood Cemetery  grave
  m. January 6, 1890, Emporia, Lyon, Kansas, Homer H White6
  apparently no children

Descendants / Researchers:

Ann Skelton Deemer <adeemer1@hotmail.com>
Ophelia Carter Sedgwick, wife of grandson Clarence J Sedgwick, is her great aunt.
Dennis Sedgwick
Sources:

1. Records of descendant/researcher of this family

2. Census records, any of those indicated.

3. Illinois Marriages to 1850
an Ancestry.com database
Spouse 1Spouse 2Marriage DateMarriage Location
Roney, Polley  Sedgwick, Thomas  02 May 1846  Illinois Moultrie County

4. Records of Maplewood Cemetery, Emporia, Lyon Kansas

5. Obituaries of family members
a. Obituary of Edith P Sedgwick
b. Obituary of Frederick Sterry Sedgwick

6. Lyon County Kansas Marriage Records 1856 - 1919
provided by the Flint Hills Genealogical Society, Emporia, Lyon, Kansas
These records:
NAMESPOUSEDate
Sedgwick, Jennie  White, H.H.  1890 Jan 06
Sedgwick, Thomas N.  Frederick, Flora  1880 Apr 29

7. California Death Index 1940-1997
at Ancestry.com or Rootsweb.com
These records:
SurnameGiven NameSexBirth Date
Birth Place
Death Date
Death Place
Mother's
Maiden
Father's
Surname
SedgwickOphelia MayF10/18/1875
Arkansas
11/29/1941
Los Angeles
CiscoCarter
GerberKatie TaylorF12/6/1899
Kansas
9/21/1940
Los Angeles
CarterSedgwick
CookeMayF04/30/1901
Kansas
12/11/1943
Los Angeles
CarterSedgwick
SedgwickRobertM01/24/1919
California
08/14/1992
San Luis Obispo
SedgwickMeadows

8. Illinois Statewide Death Index, 1916 - 1950
Illinois State Archives, Springfield, Illinois
online at http://www2.sos.state.il.us/GenealogyMWeb/idphdeathsrch.html
This record, believed to be Clarence J Sedgwick:
Last NameFirst NameSex/RaceAgeCert #Death DateCountyCityDate Filed
SedgwickClarenceM/Wunk60179961937-06-13CookChicago37-06-16

Questions? Have more data? genealogy@sedgwick.org