GC
George Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this George Cox across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed), with identified parents George & Margaret — first a son (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Cox |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rock Island City |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Occupation | none |
| Income (1939) | 0 |
| Highest Grade | 0 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Rock Island City |
| Est. Birth Year | ~1908 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Margaret Cox | Head | — | 54 | ~1886 |
| George Cox | Son | — | 32 | ~1908 |
Census Appearances
1920
Rock Island, …
Son, age 14
Rock Island, Illinois · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Rock Island, …
Son, age 25
Rock Island, Illinois · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | George J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | Labor |
| Industry | Nursery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Rock-Island-County, Illinois
Son, age 32
Rock-Island-County, Illinois · implied b. ~1908 — 2 household members
| Surname | Cox |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rock Island City |
| 1935 Residence (County) | Rock Island |
| Occupation | none |
| Income (1939) | 0 |
| Highest Grade | 0 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 George Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Cox (~0.92 confidence) and mother Margaret Cox (~0.92 confidence) and mother Marguerite Cox (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Cox
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Margaret Cox
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Marguerite Cox
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Cox
Son · 1940 · age 32 · b. ~1908 · 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
40 people indexed on this census page (nara:1940:m-t0627-00876-00385)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry W. Green | 55 | Head | Machinist | Missouri |
| 42 | Alice M. Green | 42 | Wife | None | Belgium |
| 43 | William J. Buckley | 63 | Head | Contractor | New York |
| 44 | Garnet D. Buckley | 58 | Wife | None | Illinois |
| 45 | William H. Beer | 71 | Father | None | Illinois |
| 46 | John M. Shields | 58 | Head | Guide | Illinois |
| 47 | Mabel Shields | 55 | Wife | None | Illinois |
| 48 | Gladys Shields | 24 | Daughter | Cashier | Illinois |
| 49 | Marvin Mckinley | 32 | Head | Machinist | Iowa |
| 50 | Marion Mckinley | 29 | Wife | None | Illinois |
| 51 | Donald Mckinley | 4 | Son | — | Illinois |
| 52 | Richard Mckinley | 1 | Son | — | Illinois |
| 53 | Lee La Farge | 50 | Head | Cement Finisher | Mexico |
| 54 | Mabel La Farge | 39 | Wife | None | Illinois |
| 55 | Martin J. La Farge | 16 | Son | None | Illinois |
| 56 | Linus Haberthur | 62 | Head | Proprietor | Switzerland |
| 57 | Harold Haberthur | 26 | Son | Laborer | Illinois |
| 58 | Archie Stevens | 34 | Head | Truck Driver | Illinois |
| 59 | Edna Stevens | 33 | Wife | None | Illinois |
| 60 | Marianna Stevens | 13 | Daughter | — | Illinois |
| 61 | Florence Stevens | 64 | Mother | None | Illinois |
| 62 | Crawford Tyler | 37 | Head | Chief Engineer | Illinois |
| 63 | Dorothy Tyler | 35 | Wife | None | California |
| 64 | Marjorie Tyler | 13 | Daughter | — | Illinois |
| 65 | Jacqueline Tyler | 10 | Daughter | — | Illinois |
| 66 | Robert Galbraith | 50 | Head | Auto Dealer | Indiana |
| 67 | Margot Galbraith | 49 | Wife | None | Illinois |
| 68 | Bonnie Galbraith | 24 | Daughter | Secretary | Illinois |
| 69 | George A. Ellis | 54 | Head | Credit Manager | Illinois |
| 70 | Flossie M. Ellis | 46 | Wife | None | Iowa |
| 71 | Audrey Claydon | 24 | Lodger | Billing Clerk | Illinois |
| 72 | Margaret Cox | 54 | Head | None | Illinois |
| 73 | George Cox THIS PERSON | 32 | Son | None | New York |
| 74 | Clifford Barth | 35 | Head | Salesman | Illinois |
| 75 | Violet Barth | 31 | Wife | None | Iowa |
| 76 | Wayne Cox | 25 | Brother in law | Sales Clerk | Iowa |
| 77 | Robert Ranson | 59 | Head | Maintenance Man | Illinois |
| 78 | Gertrude Ranson | 55 | Wife | None | Illinois |
| 79 | Raymond L. Ranson | 27 | Son | Printer Pressman | Illinois |
| 80 | Francis De Clercq | 23 | Head | Core Maker | Belgium |
Pedigree Summary
George
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)