JC
John Carson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Carson across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Carson |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Attorney |
| Industry | Own office |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 5000 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Attorney |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1896 |
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 Carson | Head | — | 44 | ~1896 |
| Mary Carson | Daughter | — | 13 | ~1927 |
| Evelyn Carson | Daughter | — | 17 | ~1923 |
| John Carson | Son | — | 15 | ~1925 |
| Mary Carson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Los Angeles, …
Head, age 33
Los Angeles, California · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carson |
| Given Name | John Oliver |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Maid |
| Industry | Private House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6500 |
| Radio Set | R |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Head, age 44
Los-Angeles-County, California · implied b. ~1896 — 5 household members
| Surname | Carson |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Attorney |
| Industry | Own office |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 5000 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Carson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Carson
Head · 1940 · age 44 · b. ~1896 · 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
39 people indexed on this census page (nara:1940:m-t0627-00399-00155)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rollie L. Haywood | 43 | Head | Projectionist | Missouri |
| 42 | Helen R. Haywood | 40 | Wife | — | Kansas |
| 43 | Juanita L. Haywood | 15 | Daughter | — | California |
| 44 | Ivor T. Rawlinson | 53 | Head | Actor | England |
| 45 | Lorraine A. Rawlinson | 40 | Wife | — | Michigan |
| 46 | Sally A. Rawlinson | 14 | Daughter | — | California |
| 47 | David Rawlinson | 13 | Son | — | California |
| 49 | John D. Carson THIS PERSON | 44 | Head | Attorney | California |
| 50 | Mary E. Carson | 40 | Wife | — | Maryland |
| 51 | Evelyn M. Carson | 17 | Daughter | — | Washington D.C. |
| 52 | John D. Jr. Carson | 15 | Son | — | Washington D.C. |
| 53 | Mary K. Carson | 13 | Daughter | — | California |
| 54 | Nora F. Mills | 60 | Head | — | Illinois |
| 55 | Wanda V. Alexander | 28 | Lodger | Retail Saleslady | West Virginia |
| 56 | Nell Waterson | 45 | Lodger | — | Ohio |
| 57 | Dodge Dunning | 32 | Head | Mechanic Machinist | New York |
| 58 | Virginia H. Dunning | 32 | Wife | — | Missouri |
| 59 | Edna J. Pickrell | 56 | Head | — | Wisconsin |
| 60 | Robert J. Pickrell | 19 | Son | Clearing Clerk | California |
| 61 | Ida Sprague | 59 | Lodger | Typist | New York |
| 62 | Marjorie J. Dalton | 59 | Lodger | Actress | Missouri |
| 63 | Mary Klink | 41 | Lodger | Waitress | Wisconsin |
| 64 | Harry H. Von Wittenburg | 49 | Head | Investigator | New Jersey |
| 65 | May H. Von Wittenburg | 42 | Wife | — | New York |
| 66 | Grace M. Levy | 58 | Head | Saleswoman | Illinois |
| 67 | John M. Levy | 26 | Son | Mail Carrier | California |
| 68 | Peggy L. Sheridan | 20 | Daughter | Saleswoman | Arizona |
| 69 | Stanley E. Sheridan | 12 | Grandson | — | California |
| 70 | Elizabeth M. Turner | 54 | Servant | Servant | California |
| 71 | Rilla S. Rankin | 70 | Head | Civil Engineer | Maine |
| 72 | Christina B. Rankin | 69 | Wife | — | Canada |
| 73 | Sue B. Rankin | 35 | Daughter | Private Secretary | Massachusetts |
| 74 | Doris B. Rankin | 30 | Daughter | Private Secretary | Massachusetts |
| 75 | Howard J. Wallace | 68 | Head | Civil Engineer | Iowa |
| 76 | Ruby E. Wallace | 63 | Wife | — | Iowa |
| 77 | Philip B. Storer | 46 | Head | Office Manager | California |
| 78 | Helen Storer | 46 | Wife | — | Ohio |
| 79 | Betty L. Storer | 20 | Daughter | Stenographer | California |
| 80 | Philip J. Storer | 18 | Son | — | 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)