JM
John Mccormick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kern-County, California
Our Model Tree links this John Mccormick across the 1920, 1930 and 1940 US Censuses in Kern-County, California (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 3-person household.
Age 59
b. ~1881
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kern-County, California |
| Surname | McCormick |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Bakersfield |
| 1935 Residence (County) | Kern |
| Additional Details | |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Bakersfield |
| Est. Birth Year | ~1881 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mccormick | Head | — | 59 | ~1881 |
| Robert Mccormick | Son | — | 15 | ~1925 |
| Ella Mccormick | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Kern, California
Head, age 37
Kern, California · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Engineer |
| Industry | Standard Oil |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Kern, California
Head, age 48
Kern, California · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 34 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Civil Engineer |
| Industry | Oil Fields |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Kern-County, California
Head, age 59
Kern-County, California · implied b. ~1881 — 3 household members
| Surname | McCormick |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Bakersfield |
| 1935 Residence (County) | Kern |
| Highest Grade | H 3 |
| 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 John Mccormick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mccormick
Head · 1940 · age 59 · b. ~1881 · California
★ 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 — Kern-County, California
Open full size
1940 US Federal Census — Kern-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00212-00313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donald R Buckle | 6 | Son | — | California |
| 42 | John C Buckle | 2 | Son | — | California |
| 43 | Oma A Clemens | 51 | Head | Dressmaker | Missouri |
| 44 | Clark W Clemens | 18 | Son | Janitor | California |
| 45 | William H Laird | 32 | Lodger | Yardsman | California |
| 46 | Charles E Wakefield | 46 | Head | Merchant | Georgia |
| 47 | Katharine Wakefield | 41 | Wife | — | Georgia |
| 48 | Charles E Jr Wakefield | 17 | Son | — | California |
| 49 | Katharine Wakefield | 14 | Daughter | — | California |
| 50 | Henry S Wakefield | 9 | Son | — | California |
| 51 | Frank A Word | 54 | Head | Proprietor | Tennessee |
| 52 | Pearl A Word | 48 | Wife | — | Mississippi |
| 53 | Frank A Jr Word | 22 | Son | Laborer | Mississippi |
| 54 | Manuel M Silveira | 57 | Head | Oil Worker | California |
| 55 | Mabel E Silveira | 53 | Wife | — | California |
| 56 | Charles E Bishop | 31 | Head | Draftsman | New York |
| 57 | Margaret M Bishop | 27 | Wife | — | Michigan |
| 58 | John E Mccormick THIS PERSON | 59 | Head | — | Illinois |
| 59 | Ella Mccormick | 50 | Wife | — | Holland |
| 60 | Robert W Mccormick | 15 | Son | — | California |
| 61 | Arthur Johnson | 51 | Head | Supervisor | Utah |
| 62 | Louise W Johnson | 47 | Wife | — | Pennsylvania |
| 63 | Leonia Johnson | 21 | Daughter | Student | California |
| 64 | Arthur Johnson | 19 | Son | — | California |
| 65 | Charles Johnson | 17 | Son | — | California |
| 66 | Robert B Hutcheson | 41 | Head | Paleontologist | Ohio |
| 67 | Alice R Hutcheson | 44 | Wife | — | Pennsylvania |
| 68 | Robert B Hutcheson | 11 | Son | — | California |
| 69 | Alice R Hutcheson | 10 | Daughter | — | California |
| 70 | Clarence A Kramer | 43 | Head | Oil Worker | California |
| 71 | Laura Kramer | 47 | Wife | — | Iowa |
| 72 | Lawrence N Riley | 48 | Head | Chief Clerk & Treasurer | Missouri |
| 73 | Rhea J Riley | 47 | Wife | — | Indiana |
| 74 | Lawrence N Jr Riley | 17 | Son | Collector | Washington |
| 75 | Mary Lou Riley | 14 | Daughter | — | Washington |
| 76 | James E Riley | 12 | Son | — | Washington |
| 77 | Marion S Crowley | 33 | Head | Oil Worker | Texas |
| 78 | Julia G Crowley | 33 | Wife | — | Kansas |
| 79 | Arlene M Crowley | 1 | Daughter | — | California |
| 80 | John L Davis | 52 | Head | Engineer | Missouri |
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)