HC
Henry Cox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Henry Cox across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 6-person household.
Age 77
b. ~1863
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Cox |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Restaurant |
| Industry | OA |
| Class of Worker | Yes |
| Highest Grade | 8 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Restaurant |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1863 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Henry Cox | Head | — | 77 | ~1863 |
| Oscar Polland | Other | — | 50 | ~1890 |
| Marie Polland | Daughter | — | 45 | ~1895 |
| Joyce Davis | Daughter | — | 48 | ~1892 |
| Earl Davis | Other | — | 58 | ~1882 |
| Nettie Cox | Spouse | — | 73 | ~1867 |
Census Appearances
1920
Marion, Indiana
Head, age 57
Marion, Indiana · implied b. ~1863 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Henry |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | mason |
| Industry | steam railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Head, age 66
Marion, Indiana · implied b. ~1864 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Operator |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40.00 |
| Radio Set | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 77
Marion-County, Indiana · implied b. ~1863 — 6 household members
| Surname | Cox |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Restaurant |
| Industry | OA |
| Class of Worker | Yes |
| Highest Grade | 8 |
| 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 Henry Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Henry Cox
Head · 1940 · age 77 · b. ~1863 · 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-t0627-01122-00570)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter Vinson | 41 | Head | Street Railway | Kentucky |
| 42 | Allie Bell Vinson | 37 | Wife | — | Kentucky |
| 43 | Glenn Vinson | 10 | Son | — | Indiana |
| 44 | Charles Anderson | 35 | Head | Rubber Products | Kentucky |
| 45 | Mary Anderson | 32 | Wife | — | Indiana |
| 46 | Charles Anderson | 2 | Son | — | Indiana |
| 47 | Carl Webb | 33 | Head | Battery Mfg | Kentucky |
| 48 | Ruby Webb | 28 | Wife | — | Tennessee |
| 49 | Peggy Webb | 9 | Daughter | — | Tennessee |
| 50 | Yvonne Webb | 3 | Daughter | — | Tennessee |
| 51 | Juanita Webb | 1 | Daughter | — | Indiana |
| 52 | William Day | 25 | Head | Truck Motors | Indiana |
| 53 | Mary Rose Day | 26 | Wife | — | Texas |
| 54 | Marie Antoinette Day | 1 | Daughter | — | Indiana |
| 55 | Alfred Cook | 40 | Head | Battery Mfg | Kentucky |
| 56 | Lola Cook | 38 | Wife | — | Kentucky |
| 57 | Perry Beard | 26 | Head | Office Bldg | Indiana |
| 58 | Blanche Beard | 25 | Wife | — | Indiana |
| 59 | John Ewing | 43 | Head | Metal Trimming | Kentucky |
| 60 | Mildred Ewing | 40 | Wife | — | Indiana |
| 61 | Noble Jennings | 50 | Head | Veneer | Virginia |
| 62 | Fannie Jennings | 46 | Wife | — | Virginia |
| 63 | Helen Jennings | 18 | Daughter | — | Virginia |
| 64 | Nina Jennings | 15 | Daughter | — | Virginia |
| 65 | Mary Kate Jennings | 9 | Daughter | — | Indiana |
| 66 | Jessie Kennard | 74 | Head | Furniture Mfg | Indiana |
| 67 | Mildred Kennard | 64 | Wife | — | Indiana |
| 68 | Henry Cox THIS PERSON | 77 | Head | Restaurant | Indiana |
| 69 | Nettie Cox | 73 | Wife | — | W. Virginia |
| 70 | Earl Davis | 58 | Son-in-law | Chain Mfg | Indiana |
| 71 | Joyce Davis | 48 | Daughter | Restaurant | Indiana |
| 72 | Oscar Polland | 50 | Son-in-law | Steam Railroad Dept | Indiana |
| 73 | Marie Polland | 45 | Daughter | Metal Trimming | Indiana |
| 74 | Cleve Plummer | 55 | Head | Wholesale Poultry | Indiana |
| 75 | Cordelia Plummer | 54 | Wife | Enamel Mfg | Indiana |
| 76 | Victor Moore | 40 | Brother-in-law | Rubber Belting | Indiana |
| 77 | Naomi Moore | 38 | Sister | Garment Mfg | Indiana |
| 78 | Extra Line. I Was Misinformed About Number Of People Here. | None | — | — | — |
| 79 | Leland Arnold | 42 | Head | City Fire Dept | Indiana |
| 80 | Mary Arnold | 39 | Wife | — | Pennsylvania |
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)