JD
John Dickson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Dickson across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 5-person household.
Age 59
b. ~1881
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Dickson |
| Given Name | John J. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Hermosa Beach City |
| 1935 Residence (County) | Los Angeles |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machine Mechanic |
| Industry | Oil Refinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Machine Mechanic |
| Township / Ward | Hermosa Beach City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rosemary Dickson | Daughter | — | 20 | ~1920 |
| William Dickson | Son | — | 26 | ~1914 |
| John Dickson | Head | — | 59 | ~1881 |
| James Dickson | Son | — | 16 | ~1924 |
| Elizabeth Dickson | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Marin, California
Head, age 35
Marin, California · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dickson |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Department Manager |
| Industry | Importing Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Los Angeles, …
Head, age 46
Los Angeles, California · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dickson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 26 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Pumper |
| Industry | Standard Oil |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Los-Angeles-County, California
Head, age 59
Los-Angeles-County, California · implied b. ~1881 — 5 household members
| Surname | Dickson |
| Given Name | John J. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Hermosa Beach City |
| 1935 Residence (County) | Los Angeles |
| Naturalization Status | Naturalized |
| Occupation | Machine Mechanic |
| Industry | Oil Refinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Dickson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
John Dickson
Head · 1940 · age 59 · b. ~1881 · 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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00234-00021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Everett F. Gold | 36 | head | Tool Designer | Washington |
| 2 | Mary A. Gold | 34 | wife | — | Kansas |
| 3 | Brenda L. Gold | 1 | daughter | — | California |
| 4 | Herbert Barrett | 31 | head | Assistant Manager | Oregon |
| 5 | Jessie P. Barrett | 31 | wife | — | Missouri |
| 6 | William J. Boyle | 14 | son | — | Texas |
| 7 | Max O. Hunter | 44 | head | Caretaker | Germany |
| 8 | Margaret Hunter | 30 | wife | — | Germany |
| 9 | John J. Dickson THIS PERSON | 59 | head | Machine Mechanic | Scotland |
| 10 | Elizabeth A. Dickson | 58 | wife | — | England |
| 11 | William H. Dickson | 26 | son | Clerk | England |
| 12 | Rosemary Dickson | 20 | daughter | — | California |
| 13 | James L. Dickson | 16 | son | — | California |
| 14 | Porter Young | 49 | head | Machinist | Tennessee |
| 15 | Angie Lee Young | 49 | wife | — | Tennessee |
| 16 | Ray Kigeris | 38 | head | Owner And Operator | Nebraska |
| 17 | Emily Kigeris | 32 | wife | Owner And Operator | Montana |
| 18 | Mervyn Barker | 76 | uncle | — | Ohio |
| 19 | Marlon Martins | 47 | head | Day Labor | Mexico |
| 20 | Carmen Martins | 40 | wife | — | Mexico |
| 21 | Anita Martins | 8 | daughter | — | California |
| 22 | Rosa Maria Martins | 1 | daughter | — | California |
| 23 | Francisco Ruiz | 36 | head | Owner Operator | Mexico |
| 24 | Angelina Ruiz | 39 | wife | Owner Operator | Mexico |
| 25 | Miguel A. Ruiz | 7 | son | — | California |
| 26 | Julita Ruiz | 5 | daughter | — | California |
| 27 | Loma Ruiz | 3 | daughter | — | California |
| 28 | Ramona Angela Ruiz | 68 | aunt | — | Mexico |
| 29 | Harlow Wiseman | 34 | head | Owner Operator | New Mexico |
| 30 | Barbara Wiseman | 18 | wife | — | Nebraska |
| 31 | William J. Boyer | 89 | father | — | Nebraska |
| 32 | William Boyer | 20 | brother | Carpenter | Texas |
| 33 | Fred M. Mckee | 58 | head | Meat Cutter | Kansas |
| 34 | Joseph B. Bell | 71 | head | — | Illinois |
| 35 | Lena F. Bell | 66 | wife | — | Missouri |
| 36 | Charles W. Poole | 49 | head | Still Foreman | England |
| 37 | Mary Ann Poole | 52 | wife | — | Wales |
| 38 | Doris M. Poole | 25 | daughter | Clerk | California |
| 39 | Reginald W. Poole | 19 | son | — | California |
| 40 | Gladys P. Poole | 18 | daughter | — | California |
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)