RK
Robert Kerr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Robert Kerr across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: New Mexico
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Kerr |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Mexico |
| 1935 Residence (City) | Alhambra |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Clerk |
| Industry | Dairy |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | No 2 |
| 1935 Residence | California |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Occupation | Clerk |
| Township / Ward | Arcadia City |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Kerr | Son | — | 22 | ~1918 |
| Sherridan Kerr | Son | — | 16 | ~1924 |
| Rosemary Kerr | Daughter | — | 14 | ~1926 |
| Mary Kerr | Spouse | — | 43 | ~1897 |
| Patricia Kerr | Daughter | — | 14 | ~1926 |
| Louis Kerr | Son | — | 21 | ~1919 |
| Louis Kerr | Head | — | 47 | ~1893 |
Census Appearances
1930
Los Angeles, …
Son, age 12
Los Angeles, California · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Mexico |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1940
Los-Angeles-County, California
Son, age 22
Los-Angeles-County, California · implied b. ~1918 — 7 household members
| Surname | Kerr |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Mexico |
| 1935 Residence (City) | Alhambra |
| 1935 Residence (County) | Los Angeles |
| Occupation | Clerk |
| Industry | Dairy |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | No 2 |
| 1935 Residence | California |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
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 Kerr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Kerr
Son · 1940 · age 22 · b. ~1918 · California
★ You are viewing this record
Sibling
Louis Kerr
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Kerr
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherridan Kerr
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Kerr
Sibling · 1940 · age 14
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
40 people indexed on this census page (nara:1940:m-t0627-00237-00218)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel M. Walker | 50 | Head | — | California |
| 2 | Howard Walker | 14 | Son | — | California |
| 3 | Clarence Campbell | 44 | Lodger | Poultryman | Missouri |
| 4 | Kenneth Campbell | 15 | Lodger's Son | — | Kansas |
| 5 | Frances E. Waugh | 57 | Lodger | Nurse | England |
| 6 | Kazuo Katayama | 35 | Head | Farmer | California |
| 7 | Aki Katayama | 57 | Wife | — | Japan |
| 8 | Toshio Kubota | 29 | Lodger | Farmer | Honolulu, T.H. |
| 9 | Yasutaro Kamitaki | 37 | Head | Farmer | Japan |
| 10 | Oshie Kamitaki | 37 | Wife | Farmer | Japan |
| 11 | Midori Kamitaki | 18 | Daughter | — | California |
| 12 | Noburu Kamitaki | 16 | Son | — | California |
| 13 | Mamoru Kamitaki | 14 | Son | — | California |
| 14 | Yaeko Kamitaki | 10 | Daughter | — | California |
| 15 | Tsuyako Kamitaki | 5 | Daughter | — | California |
| 16 | Tatsue Kamitaki | 2 | Daughter | — | California |
| 17 | Kosaku Kamitaki | 68 | Father | — | Japan |
| 18 | Walter L. Orsburn | 56 | Head | Broker | Arkansas |
| 19 | Elvira L. Orsburn | 50 | Wife | Language Teacher | California |
| 20 | Warren A. Orsburn | 21 | Son | — | Texas |
| 21 | Thomas B. Hawkins | 44 | Head | Route Driver | Tennessee |
| 22 | Mildred L. Hawkins | 40 | Wife | Bookkeeper | Illinois |
| 23 | Floyd C. Hawkins | 37 | Head | Store Manager | Kentucky |
| 24 | Alice Corine Hawkins | 43 | Wife | Deputy County Assessor | Kentucky |
| 25 | J. Foster Dennis | 38 | Head | Clerk | Indiana |
| 26 | Mildred Dennis | 39 | Wife | Secretary | Ohio |
| 27 | William W. Marshall | 37 | Head | Stock Manager | Missouri |
| 28 | Melba Marshall | 37 | Wife | Clerk | California |
| 29 | Louis Kerr | 47 | Head | Rate Clerk | Penn |
| 30 | Mary L. Kerr | 43 | Wife | — | Minnesota |
| 31 | Robert J. Kerr THIS PERSON | 22 | Son | Clerk | New Mexico |
| 32 | Louis Jr. Kerr | 21 | Son | Foreman | New Mexico |
| 33 | Sherridan Kerr | 16 | Son | — | California |
| 34 | Patricia Kerr | 14 | Daughter | — | California |
| 35 | Rosemary Kerr | 14 | Daughter | — | California |
| 36 | John E. Shafer | 47 | Head | Advertising Manager | Ohio |
| 37 | Verena A. Shafer | 42 | Wife | — | Wisconsin |
| 38 | John E. Jr. Shafer | 21 | Son | — | Wisconsin |
| 39 | Donald V. Shafer | 19 | Son | — | Wisconsin |
| 40 | Marjorie A. Shafer | 17 | Daughter | — | Wisconsin |
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)