William Sedgwick  [parents unknown]
b. February, 1820, England1
d. aft 1900, prob. Massachusetts
m. abt 1843, England, Elizabeth Unknown1
immigrated to Rhode Island 1855, to Massachusetts bet 1870 - 1880

Elizabeth Unknown  [parents unknown]
b. February, 1825, England1
d. aft 1900, prob. Massachusetts

Census records:

1860 RI Kent
1870 RI Providence
1880 MA Bristol
1900 MA Bristol

William had not been in the United States very long when the Civil War commenced. William Sedgwick of Coventry, Rhode Island, enlisted as a private on September 18, 1862, in Company D, Rhode Island 11th Infantry Regiment, and mustered out on 13 July 1863 in Providence, Rhode Island.

In the 1889, 1890 and 1891 Fall River, Massachusetts City Directories, William Sedgwick is listed at "house 9 Cash."

Children:

Elizabeth Sedgwick
  b. abt 1849, England1
  d. bef 19001 (mother had two children, one living)
Charles Sedgwick
  b. October 1851, England1
  m. abt 1881 [Fall River, Bristol, Massachusetts] Sarah Unknown1

Elizabeth appears with them only in the 1860 census;
Charles appears with them in 1860, 1870 and 1880.

Sources:

1. Census records, any of those indicated.

Questions? Have more data? genealogy@sedgwick.org