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John Rich — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Rich across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 5-person household.
Age 17
b. ~1923
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Rich |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Palo Pinto |
| 1935 Residence (County) | Palo Pinto |
| Additional Details | |
| Occupation | Sheet metal work |
| Industry | Greyhound Bus Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 250 |
| Highest Grade | Hs 3 |
| 1935 Residence | Texas |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Sheet Metal Work |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Frances Rich | Daughter | — | 23 | ~1917 |
| Charles Rich | Head | — | 52 | ~1888 |
| Virginia Rich | Spouse | — | 47 | ~1893 |
| Charles Rich | Son | — | 22 | ~1918 |
| John Rich | Son | — | 17 | ~1923 |
Census Appearances
1930
Los Angeles, …
Other, age 6
Los Angeles, California · implied b. ~1924 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | John |
| Relationship to Head | Pupil |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Minnesota |
| Can Read/Write | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 17
Los-Angeles-County, California · implied b. ~1923 — 5 household members
| Surname | Rich |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Palo Pinto |
| 1935 Residence (County) | Palo Pinto |
| Occupation | Sheet metal work |
| Industry | Greyhound Bus Co |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 250 |
| Highest Grade | Hs 3 |
| 1935 Residence | Texas |
| 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 Rich across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Rich
Son · 1940 · age 17 · b. ~1923 · California
★ You are viewing this record
Sibling
Charles Rich
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Rich
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
38 people indexed on this census page (nara:1940:m-t0627-00416-00368)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James E. Rowdell | 71 | Head | Carpenter | Utah |
| 42 | Mary E. Rowdell | 67 | Wife | — | Nevada |
| 43 | Samuel H. Lalin | 57 | Head | Factory Foreman | Pennsylvania |
| 44 | Velma O. Lalin | 39 | Wife | Sewing Lady (Gown) | Nebraska |
| 45 | Willard D. Pease | 16 | Son | Paper Carrier | Nebraska |
| 46 | Adolph Hastrup | 58 | Head | Carpenter | Denmark |
| 47 | Margaret A. Hastrup | 52 | Wife | — | Utah |
| 48 | Ren A. Twitchell | 30 | Brother in law | Experimental Dept | Utah |
| 49 | Charles R. Rich | 52 | Head | Salesman | Texas |
| 50 | Virginia R. Rich | 47 | Wife | Canvassing | Texas |
| 51 | Frances M. Rich | 23 | Daughter | Nurse Girl | Texas |
| 52 | Charles R. Jr. Rich | 22 | Son | Carpenter | Texas |
| 53 | John H. Rich THIS PERSON | 17 | Son | Sheet Metal Work | California |
| 54 | Blair C. Dotto | 39 | Head | Conductor | Colorado |
| 55 | Kathleen B. Dotto | 43 | Wife | — | Illinois |
| 56 | Rita May Dotto | 10 | Daughter | — | California |
| 57 | Dale O. Dotto | 6 | Son | — | California |
| 58 | Gerald R. Thomas | 23 | Head | Truck Driver | Arizona |
| 59 | Vivienne V. Thomas | 25 | Wife | — | New York |
| 60 | Gerald Jr. Thomas | 1 | Son | — | California |
| 61 | H. James Jr. Swank | 36 | Head | Service Salesman | Illinois |
| 62 | Betty L. Swank | 29 | Wife | — | Illinois |
| 63 | Donald R. Swank | 4 | Son | — | Arizona |
| 64 | Clink J. Dumond | 36 | Head | Salesman (Liquor) | Kansas |
| 65 | Mayme A. Dumond | 35 | Wife | — | Missouri |
| 66 | Asta Jo Dumond | 10 | Daughter | — | Kansas |
| 67 | Cota Jane Dumond | 2 | Daughter | — | California |
| 68 | Paul D. Williams | 23 | Head | Salesman | Oklahoma |
| 69 | Lenore P. Williams | 22 | Wife | Stenographer | Oklahoma |
| 70 | Casaranga Varillas | 27 | Head | Shaker Table | Mexico |
| 71 | Gloria Varillas | 12 | Daughter | — | California |
| 72 | Grace Varillas | 11 | Daughter | — | California |
| 75 | Charles V. De Long | 40 | Head | Maintenance Man | Kansas |
| 76 | Edna T. De Long | 35 | Wife | — | Ohio |
| 77 | Beverly J. De Long | 15 | Daughter | — | California |
| 78 | Marlene C. De Long | 9 | Daughter | — | California |
| 79 | Jacque V. De Long | 7 | Son | — | California |
| 80 | Keith C. De Long | 4 | 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)