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Hazel Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Hazel Nelson across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Nelson |
| Given Name | Hazel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Moline City |
| Est. Birth Year | ~1898 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Hazel | Age | Birth yr |
|---|---|---|---|---|
| Roy Nelson | Head | — | 40 | ~1900 |
| Janette Nelson | Daughter | — | 21 | ~1919 |
| Hazel Nelson | Spouse | — | 42 | ~1898 |
| Beverley Nelson | Daughter | — | 18 | ~1922 |
Census Appearances
1920
Rock Island, …
Spouse, age 21
Rock Island, Illinois · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Hazel |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Other, age 32
Rock Island, Illinois · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Hazel |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 18 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Spouse, age 42
Rock-Island-County, Illinois · implied b. ~1898 — 4 household members
| Surname | Nelson |
| Given Name | Hazel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline City |
| 1935 Residence (County) | Rock Island |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Hazel Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Hazel Nelson
Spouse · 1940 · age 42 · b. ~1898 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00875-00546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Vandenkerckhoff | 58 | Head | Proprietor | Belgium |
| 2 | Leona O Vandenkerckhoff | 47 | Wife | — | Belgium |
| 3 | Arthur Vandenkerckhoff | 25 | Son | Bookkeeper | Illinois |
| 4 | Albert Vandenkerckhoff | 20 | Son | Advertising Solicitor | Illinois |
| 5 | Robert Vandenkerckhoff | 20 | Son | — | Illinois |
| 6 | Nellie S Grimm | 61 | Head | Saleswoman | Illinois |
| 7 | Louis S Starofsky | 56 | Boarder | Odd Job | Illinois |
| 8 | Ira Coryell | 63 | Head | Moulder | Illinois |
| 9 | Mary E Coryell | 40 | Wife | — | Illinois |
| 10 | James H Coryell | 36 | Head | Moulder | Illinois |
| 11 | Mabel Coryell | 37 | Wife | — | Illinois |
| 12 | Kenneth Coryell | 15 | Son | — | Illinois |
| 13 | Robert Coryell | 13 | Son | — | Illinois |
| 14 | Dorothy Coryell | 8 | Daughter | — | Illinois |
| 15 | Harold Sandman | 28 | Head | Inspector | Illinois |
| 16 | Hulda M Sandman | 28 | Wife | — | Iowa |
| 17 | James Sandman | 2 | Son | — | Illinois |
| 18 | Carl M Danberg | 39 | Head | Owner & Oper Supervisor | Illinois |
| 19 | Gertrude Danberg | 39 | Wife | — | Illinois |
| 20 | Elizabeth Jane Danberg | 3 | Daughter | — | Illinois |
| 21 | Roy A Nelson | 40 | Head | Steam Fitter | Illinois |
| 22 | Hazel Nelson THIS PERSON | 42 | Wife | — | Illinois |
| 23 | Janette Nelson | 21 | Daughter | Selling Cards | Illinois |
| 24 | Beverley Nelson | 18 | Daughter | Manager | Illinois |
| 25 | Edwin J Uigers | 53 | Head | Bricklayer | Illinois |
| 26 | Myrtle Uigers | 50 | Wife | — | Illinois |
| 27 | Norman Uigers | 38 | Head | Painter | Illinois |
| 28 | Jeffre Howlett | 26 | Head | Laborer | Illinois |
| 29 | Violet Howlett | 23 | Wife | — | Illinois |
| 30 | Linda Lou Howlett | 1 | Daughter | — | Illinois |
| 31 | Russell L Warren | 45 | Head | Machinist | Illinois |
| 32 | Ella A Warren | 45 | Wife | Cashier | Illinois |
| 33 | Marie Potter | 42 | Head | — | Illinois |
| 34 | Joseph H Effland | 73 | Head | Machinist | Illinois |
| 35 | Pauline Effland | 69 | Wife | — | Illinois |
| 36 | Ernest A Rodman | 65 | Head | — | Illinois |
| 37 | Clara B Rodman | 65 | Wife | — | Illinois |
| 38 | Emma S Lackler | 75 | Head | — | Iowa |
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)