WM
Walter Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hardin-County, Illinois
Our Model Tree links this Walter Mason across the 1920, 1930 and 1940 US Censuses in Hardin-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 5-person household.
Age 58
b. ~1882
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardin-County, Illinois |
| Surname | Mason |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Cave-in-Rock Precinct |
| 1935 Residence (County) | Hardin |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 23 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Caveinrock Precinct |
| Est. Birth Year | ~1882 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Eva James | Other | — | 23 | ~1917 |
| Walter Mason | Head | — | 58 | ~1882 |
| Lillie Mason | Spouse | — | 57 | ~1883 |
| Jerry James | Other | — | 1 | ~1939 |
| Herbert James | Son | — | 24 | ~1916 |
Census Appearances
1920
Hardin, Illinois
Head, age 38
Hardin, Illinois · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Occupation | Farm Labor |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Hardin, Illinois
Head, age 47
Hardin, Illinois · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Hardin-County, Illinois
Head, age 58
Hardin-County, Illinois · implied b. ~1882 — 5 household members
| Surname | Mason |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Cave-in-Rock Precinct |
| 1935 Residence (County) | Hardin |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 23 |
| Income (1939) | 0 |
| Highest Grade | No 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 Walter Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Walter Mason
Head · 1940 · age 58 · b. ~1882 · 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 — Hardin-County, Illinois
Open full size
1940 US Federal Census — Hardin-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00810-00843)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hannah Yates | 72 | Mother | — | Illinois |
| 42 | Marcella Davidson | 37 | Sister | — | Illinois |
| 43 | Herschel Davidson | 9 | Nephew | — | Illinois |
| 44 | Gary Davidson | 8 | Nephew | — | Illinois |
| 45 | David Davidson | 62 | Hired hand | Laborer | Kentucky |
| 46 | Walter Mason THIS PERSON | 58 | Head | Farmer | Illinois |
| 47 | Lillie Mason | 57 | Wife | — | Illinois |
| 48 | Herbert James | 24 | Son | Mill Man | Illinois |
| 49 | Eva James | 23 | Daughter-in-law | — | Illinois |
| 50 | Jerry Dean James | 1 | Grandson | — | Illinois |
| 51 | Commodore Okerson | 73 | Head | — | Illinois |
| 52 | Theodore Okerson | 37 | Son | Accountant | Illinois |
| 53 | Jessie Watson | 59 | Head | Fisherman | Kentucky |
| 54 | Olen Watson | 33 | Son | Sailing | Kentucky |
| 55 | Robin Hastie | 30 | Head | Farmer | Illinois |
| 56 | George Walker | 21 | Laborer | Farming | Illinois |
| 57 | Elder Ainsworth | 30 | Head | Farmer | Illinois |
| 58 | Irene Ainsworth | 28 | Wife | — | Illinois |
| 59 | James Richard Ainsworth | 8 | Son | — | Illinois |
| 60 | Wanda Lois Ainsworth | 5 | Daughter | — | Illinois |
| 61 | Josie Ainsworth | 65 | Mother | — | Illinois |
| 62 | John James | 3 | Nephew | — | Michigan |
| 63 | Albert Mcdowell | 28 | Head | Driller | Illinois |
| 64 | Louise Mcdowell | 22 | Wife | — | Illinois |
| 65 | Marion Madlock | 28 | Head | Jigg Operator | Illinois |
| 66 | Beulah Madlock | 22 | Wife | — | Illinois |
| 67 | Tom Long | 29 | Head | Laborer | Kentucky |
| 68 | Harriet Long | 28 | Wife | — | Kentucky |
| 69 | Charley Long | 16 | Son | Laborer | Kentucky |
| 70 | Dolly Long | 14 | Daughter | — | Kentucky |
| 71 | Ray Long | 10 | Son | — | Kentucky |
| 72 | Wayne Long | 8 | Son | — | Kentucky |
| 73 | James Long | 6 | Son | — | Kentucky |
| 74 | Jessie Long | 2 | Daughter | — | Kentucky |
| 75 | William Long | None | Son | — | Illinois |
| 76 | Mattie Watson | 55 | Head | — | Illinois |
| 77 | Lailis Watson | 19 | Son | Laborer | Illinois |
| 78 | Billie Wharton | 4 | Grandson | — | Kentucky |
| 79 | Ethel Wharton | 33 | Daughter | House Maid | Kentucky |
| 80 | George Ann Daymon | 65 | Head | — | Illinois |
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)