NC
Nellie Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Nellie Cook across the 1910, 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 3-person household.
Age 53
b. ~1887
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Cook |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1887 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Coline Cook | Daughter | — | 23 | ~1917 |
| Nellie Cook | Spouse | — | 53 | ~1887 |
| Joseph Cook | Head | — | 58 | ~1882 |
Census Appearances
1910
Marion, Indiana
Spouse, age 19
Marion, Indiana · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Indiana |
| Years Married | 4 |
| Children Born | 3 |
| Children Living | 0 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Wash & Iron |
| Industry | Private Family |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Spouse, age 31
Marion, Indiana · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Other, age 41
Marion, Indiana · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Nellie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 17 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Spouse, age 53
Marion-County, Indiana · implied b. ~1887 — 3 household members
| Surname | Cook |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Nellie Cook across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nellie Cook
Spouse · 1940 · age 53 · b. ~1887 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01126-00303)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Hauenstein | 58 | Head | Trimmer | Indiana |
| 2 | Louisa Hauenstein | 51 | Wife | — | Ohio |
| 3 | Patrick White | 40 | Head | Policeman | Irish Free State |
| 4 | Mary White | 38 | Wife | — | Irish Free State |
| 5 | Mary P. White | 14 | Daughter | — | Indiana |
| 6 | Doris E. White | 12 | Daughter | — | Indiana |
| 7 | Leo F. White | 9 | Son | — | Indiana |
| 8 | Joseph J. White | 8 | Son | — | Indiana |
| 9 | Lillian R. White | 4 | Daughter | — | Indiana |
| 10 | Katie M. White | 1 | Son | — | Indiana |
| 11 | Charles H. Calvin | 73 | Head | — | Indiana |
| 12 | Richard Reddick | 65 | Son in law | Watchman | Indiana |
| 13 | Calvin Rhodes | 18 | Grandson | — | Indiana |
| 14 | Charles A. Bradley | 27 | Head | Laborer | North Carolina |
| 15 | Rebecca Bradley | 25 | Wife | — | North Carolina |
| 16 | Ethel Bradley | 25 | Daughter | Inspector | Indiana |
| 17 | Elmer T. Van Horn | 49 | Head | Mailer | Wisconsin |
| 18 | Cecil Van Horn | 40 | Wife | — | Indiana |
| 19 | Dorothy Van Horn | 22 | Daughter | Operator | Indiana |
| 20 | Elroy Van Horn | 18 | Son | — | Indiana |
| 21 | Joseph Cook | 58 | Head | Watchman | Indiana |
| 22 | Nellie Cook THIS PERSON | 53 | Wife | — | Indiana |
| 23 | Coline Cook | 23 | Daughter | Stenographer | Indiana |
| 24 | Herman A. Bold | 59 | Head | Marshal | Indiana |
| 25 | Alice Bold | 60 | Wife | — | Indiana |
| 26 | Charles Bold | 20 | Son | — | Indiana |
| 27 | Joseph Speedy | 62 | Head | Repairman | Indiana |
| 28 | Ethelyn Speedy | 62 | Wife | — | Indiana |
| 29 | Lloyd Farrington | 43 | Head | Switchman | Indiana |
| 30 | Lucille Farrington | 33 | Wife | — | Indiana |
| 31 | Donald Farrington | 11 | Son | — | Indiana |
| 32 | Paul Myers | 29 | Head | Apprentice Lithographer | Kentucky |
| 33 | Marie Myers | 21 | Wife | — | Indiana |
| 34 | George M. Kersey | 31 | Head | Baker | Indiana |
| 35 | Helen N. Kersey | 33 | Wife | — | Indiana |
| 36 | Thomas Kersey | 6 | Son | — | Indiana |
| 37 | Luther Mutts | 46 | Head | Salesman | Indiana |
| 38 | Margaret Mutts | 39 | Wife | — | Indiana |
| 39 | Paul Calvin | 39 | Head | Hostler | Indiana |
| 40 | Helen Calvin | 39 | Wife | — | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)