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John Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ventura-County, California
Our Model Tree links this John Cummings across the 1920, 1930 and 1940 US Censuses in Ventura-County, California (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 5-person household.
Age 58
b. ~1882
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ventura-County, California |
| Surname | Cummings |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Judicial Township 3 |
| 1935 Residence (County) | Ventura |
| Additional Details | |
| Occupation | carpenter |
| Industry | building |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 318 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Carpenter |
| Township / Ward | Judicial Township 3 |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| John Cummings | Head | — | 58 | ~1882 |
| Donald Cummings | Son | — | 19 | ~1921 |
| Kenneth Cummings | Son | — | 24 | ~1916 |
| Billy Cummings | Son | — | 15 | ~1925 |
| Jennie Cummings | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Ventura, California
Head, age 38
Ventura, California · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Father's Birthplace | Canada |
| Mother's Birthplace | English |
| Occupation | Yes |
| Industry | Pumper |
| Class of Worker | Oil wells |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Illinois |
| Home Owned/Rented | R |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Ventura, California
Head, age 48
Ventura, California · implied b. ~1882 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | John S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 30 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Illinois |
| Occupation | Manager |
| Industry | ranch |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Ventura-County, California
Head, age 58
Ventura-County, California · implied b. ~1882 — 5 household members
| Surname | Cummings |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Judicial Township 3 |
| 1935 Residence (County) | Ventura |
| Occupation | carpenter |
| Industry | building |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 318 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 John Cummings across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Cummings
Head · 1940 · age 58 · b. ~1882 · California
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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 — Ventura-County, California
Open full size
1940 US Federal Census — Ventura-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00363-00627)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David Jones | 57 | Head | Pest Finisher | Illinois |
| 42 | Blanche Jones | 51 | Wife | — | Missouri |
| 43 | Arthur Eastwood | 37 | Head | Farmer | California |
| 44 | Emma Eastwood | 34 | Wife | Housewife | California |
| 45 | Paul Eastwood | 12 | Son | Farmer | California |
| 46 | Elmer Jalmer | 55 | Head | Farmer | California |
| 47 | Ethel Jalmer | 54 | Wife | — | California |
| 48 | John Cummings THIS PERSON | 58 | Head | Carpenter | Nebraska |
| 49 | Jennie Cummings | 54 | Wife | Housewife | Illinois |
| 50 | Kenneth Cummings | 24 | Son | — | Oklahoma |
| 51 | Donald Cummings | 19 | Son | — | California |
| 52 | Billy Cummings | 15 | Son | — | California |
| 53 | John Lehnitz | 62 | Head | Farmer | Nebraska |
| 54 | Leta Lehnitz | 65 | Wife | — | Missouri |
| 55 | Edmund White | 37 | Head | Caretaker + Manager | Pennsylvania |
| 56 | Mae White | 31 | Wife | — | Pennsylvania |
| 57 | Merle White | 10 | Son | — | Pennsylvania |
| 58 | Joan White | 8 | Daughter | — | California |
| 59 | Louise Salmon | 16 | Sister-in-law | Caretaker | Pennsylvania |
| 60 | Alex Wilfong | 66 | Head | Farmer | California |
| 61 | Trudy Wilfong | 64 | Wife | — | Iowa |
| 62 | Virgil Wilfong | 21 | Son | Laborer | California |
| 63 | Don James Rutherford | 25 | Lodger | Truck Driver | Texas |
| 64 | Paul Charles Schmitz | 26 | Lodger | Farm Hand | California |
| 65 | Robert Wilson Mccluskey | 32 | Lodger | Executive | Kansas |
| 66 | John Eastwood | 78 | Head | Farmer | England |
| 67 | Annie Eastwood | 74 | Wife | — | England |
| 68 | Emice Eastwood | 51 | Son | — | California |
| 69 | Marguerite Eastwood | 30 | Daughter-in-law | — | California |
| 70 | Alphonsine Eastwood | 28 | Daughter | — | California |
| 71 | Marguerite Valentine | 10 | Granddaughter | — | California |
| 72 | Barbara Valentine | 8 | Granddaughter | — | California |
| 73 | Alonzo North | 60 | Head | Laborer | Texas |
| 74 | Raymond Griggs | 24 | Head | Farm Helper | Arkansas |
| 75 | Betty Griggs | 26 | Wife | — | Montana |
| 76 | R. Thomas Halliburton | 37 | Head | Carpenter | Texas |
| 77 | Opal Halliburton | 28 | Wife | — | Texas |
| 78 | Betty Lee Halliburton | 10 | Daughter | — | Texas |
| 79 | Frances Halliburton | 6 | Daughter | — | Texas |
| 80 | Delores Ann Halliburton | 3 | Daughter | — | Texas |
Related Census Records
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)