1884 Birth:1379 Birth date of 20 November 1884 taken from Ancestral File, which is supported by age (25 years) in 1910 census enumeration. However, the 19003007 census enumeration lists birth date as October 1884. Birth place of Beulah, Pueblo County, Colorado is assumed based on her parents residence in that location.

1885 Colorado State Census:2064
Pueblo County, Colorado
August Clipbell (i.e. Klipfel) •• white, male, 40, married, farmer, born in Missouri [!], father born in Missouri [!], mother born in Missouri [!]
Leah •• white, female, 35, wife, married, keeps house, born in Missouri, father born in Missouri, mother born in Missouri
Edward •• white, male, 12, son, single, at school, attended school within the year, born in Missouri, father born in Missouri, mother born in Missouri
No forename given •• white, female, 10, daughter, single, at home, born in Missouri, father born in Missouri, mother born in Missouri << Mabel, born 1874
Charles •• white, male, 8, son, single, attended school within the year, born in Missouri, father born in Missouri, mother born in Missouri
Francis •• white, male, 3, son, single, born in Colorado, father born in Missouri, mother born in Missouri
Baby •• white, male [!], 2 months, son [!], born in Colorado, father born in Missouri, mother born in Missouri << Nellie, daughter, b. 1884
Wm Krygen •• white, male, 30, employee, single, farmer, born in Germany, father born in Germany, mother born in Germany

1900 U.S. Census:3007
Pueblo County, Colorado (Precinct 39)
Enumerated 3 June 1900
Gus Clilfield (i.e. August Klipfel) •• head, white, male, born March 1848, age 52, married 30 years, born in Ohio, father born in Germany, mother born in Germany, farmer, can read, write, and speak English, owns farm free of mortgage, farm schedule 93
Leah •• wife, white, female, born November 1847, age 53, married 30 years, bore 10 children, 5 still living, born in Illinois, father born in Illinois, mother born in Ohio, can read, write, and speak English
Chas (i.e. Charles) •• son, white, male, born September 1876, age 23, single, born in Missouri, father born in Ohio, mother born in Illinois, teamster, can read, write, and speak English
Francis •• son, white, male, born May 1883, age 17, single, born in Colorado, father born in Ohio, mother born in Illinois, teamster, can read, write, and speak English
Nellie •• daughter, white, female, born October 1884, age 15, born in Colorado, father born in Ohio, mother born in Illinois, at school, attended school within the year, can read, write, and speak English
Mildred •• daughter, white, born September 1886, age 13, born in Colorado, father born in Ohio, mother born in Illinois, at school, attended school within the year, can read, write, and speak English
Valentine •• son, white, male, born February 1891, age 9, born in Colorado, father born in Ohio, mother born in Illinois, at school, attended school within the year, can read, write, and speak English

1906 Marriage:2689,2686 Marriage year of 1906 estimated based on 1930 census enumeration that Nellie, born about 1884, first married at the age of 22. Marriage place assumed to be Pueblo County, Colorado based on her parents residence there as well as James and Nellie's enumeration in that location in the 1910 enumeration. Ancestral File gives marriage date as 29 November 1906 in Pueblo County.

1910 U.S. Census:2686 Nellie enumerated in the household of her husband James Dutcher in Precinct 27, Pueblo County, Colorado as a wife, female, white, 25, married once for 3 years, two children born of this marriage and both still living, born in Colorado, father born in Ohio, mother born in Illinois, can read and write. Children enumerated were Orpha, age 22 months, and Mildred, age 5 months. Brother Charles T. Klipfel served as enumerator for Enumeration District 151.

1930 U.S. Census:2689 Nellie enumerated in the household of her husband James C. Dutcher in Park County, Wyoming as wife, female, white, 45, married, married first at age 22, can read and write, born in Colorado, father born in Ohio, mother born in Missouri. Children enumerated were Doris M. Smith, a married daughter, age 18; Dorothy A.., daughter, age 17; Nellie D., daughter, age 3 years, 1 month; and Bethie Z. Smith, granddaughtter, 6 months.

1978 Death:1379 Ancestral Files give death date as 24 August 1978 in Powell, Park County, Wyoming.