RC
Robert Carpenter — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Robert Carpenter across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Clinton & Columbus — first a head (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Carpenter |
| Given Name | Robert A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Machinist |
| Industry | Water Pump Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Machinist |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1916 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Carpenter | Head | — | 24 | ~1916 |
| Virginia Carpenter | Spouse | — | 20 | ~1920 |
| Robert Carpenter | Son | — | 2 | ~1938 |
Census Appearances
1920
Los Angeles, …
Son, age 3
Los Angeles, California · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Denmark |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Los Angeles, …
Son, age 14
Los Angeles, California · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carpenter |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Los-Angeles-County, California
Head, age 24
Los-Angeles-County, California · implied b. ~1916 — 3 household members
| Surname | Carpenter |
| Given Name | Robert A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Machinist |
| Industry | Water Pump Factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Robert Carpenter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clinton Carpenter (~0.92 confidence) and father Columbus Carpenter (~0.92 confidence) and mother Agnes Carpenter (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clinton Carpenter
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Columbus Carpenter
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Agnes Carpenter
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Carpenter
Head · 1940 · age 24 · b. ~1916 · 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 — 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-t0627-00388-00249)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lenora Romero | 11 | Daughter | — | California |
| 42 | Leila Romero | 10 | Daughter | — | California |
| 43 | Amelia Romero | 6 | Daughter | — | California |
| 44 | Charles Romero | 7 | Son | — | California |
| 45 | Helen Romero | 1 | Daughter | — | California |
| 46 | Charles Mc Donald | 48 | Head | Assistant Superintendent | Arkansas |
| 47 | Helen Mc Donald | 36 | Wife | — | California |
| 48 | Charles Mc Donald | 24 | Son | Time Keeper | Arkansas |
| 49 | Helen K King | 50 | Head | Hand Work | Iowa |
| 50 | Patricia King | 13 | Daughter | — | California |
| 51 | Charles R Heflin | 82 | Uncle | — | Illinois |
| 52 | Jerry M. Walker | 36 | Head | Conductor | California |
| 53 | Edith Walker | 31 | Wife | Distributor | California |
| 54 | Merritt Walker | 8 | Son | — | California |
| 55 | Jerome Walker | 1 | Son | — | California |
| 56 | Joseph Smedley | 23 | Nephew | Laborer | California |
| 57 | Charles Albertson | 36 | Head | Attendant | Michigan |
| 58 | Helen Albertson | 21 | Wife | — | California |
| 59 | Rodger Albertson | 5 | Son | — | California |
| 60 | Richard Albertson | 3 | Son | — | California |
| 61 | Robert Horton | 18 | Lodger | — | Michigan |
| 62 | George G. Wilson | 33 | Head | Printer | Michigan |
| 63 | Dorothy W. Wilson | 35 | Wife | — | Massachusetts |
| 64 | Fred Hogue | 69 | Head | Writer | Pennsylvania |
| 65 | Frank C. Morrison | 54 | Head | Salesman | Nebraska |
| 66 | Edith E. Webster | 55 | Sister | — | Nebraska |
| 67 | Clinton J. Morrison | 45 | Brother | Salesman | Nebraska |
| 68 | Thomas J. Morrison | 10 | Nephew | — | California |
| 69 | Franklin D. Morrison | 8 | Nephew | — | Arizona |
| 70 | Martha L. Morrison | 6 | Niece | — | Arizona |
| 71 | Ralph C. Morrison | 3 | Nephew | — | Arizona |
| 74 | Emil Ackerman | 55 | Head | Cutter | Indiana |
| 75 | Dorothy H Crank | 20 | Niece | Power Machine Operator | Indiana |
| 76 | Robert A Carpenter THIS PERSON | 24 | Head | Machinist | Massachusetts |
| 77 | Virginia Carpenter | 20 | Wife | — | California |
| 78 | Robert A Carpenter | 2 | Son | — | California |
| 79 | James T. Oliphant | 39 | Head | Miner | Missouri |
| 80 | Martha Oliphant | 34 | Wife | — | Illinois |
Pedigree Summary
Robert
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)