RJ
Robert James — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Robert James across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | James |
| Given Name | Robert C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Assistant Instructor |
| Industry | University of California |
| Class of Worker | GW |
| Hours Worked | 5 |
| Income (1939) | 40 |
| Highest Grade | Col 3 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Assistant Instructor |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1919 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Alice James | Daughter | — | 11 | ~1929 |
| Francis James | Daughter | — | 19 | ~1921 |
| Glean James | Head | — | 57 | ~1883 |
| Jesse James | Son | — | 7 | ~1933 |
| Arthur James | Son | — | 17 | ~1923 |
| Robert James | Son | — | 21 | ~1919 |
| Walter James | Son | — | 20 | ~1920 |
| Glenn James | Son | — | 13 | ~1927 |
| Inez James | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Los Angeles, …
Son, age 11
Los Angeles, California · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | James |
| Given Name | Robert C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Los-Angeles-County, California
Son, age 21
Los-Angeles-County, California · implied b. ~1919 — 9 household members
| Surname | James |
| Given Name | Robert C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Assistant Instructor |
| Industry | University of California |
| Class of Worker | GW |
| Hours Worked | 5 |
| Income (1939) | 40 |
| Highest Grade | Col 3 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 James across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert James
Son · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Francis James
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesse James
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice James
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn James
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur James
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter James
Sibling · 1940 · age 20
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-t0627-00375-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ellen Wright | 45 | Wife | — | New York |
| 42 | Thomas O Wright | 19 | Son | — | California |
| 43 | Oliver E Wright | 75 | Father | — | Iowa |
| 44 | Glean James | 57 | Head | Professor Of Mathematics | Indiana |
| 45 | Inez B James | 43 | Wife | — | Indiana |
| 46 | Robert C James THIS PERSON | 21 | Son | Assistant Instructor | Indiana |
| 47 | Walter R James | 20 | Son | — | Indiana |
| 48 | Francis M James | 19 | Daughter | — | Pennsylvania |
| 49 | Arthur E James | 17 | Son | — | Pennsylvania |
| 50 | Glenn J James | 13 | Son | — | California |
| 51 | Jesse H James | 7 | Son | — | California |
| 52 | Alice L James | 11 | Daughter | — | California |
| 53 | Herman D Jasper | 32 | Head | Truck Driver | Iowa |
| 54 | Nellie M Jasper | 28 | Wife | — | Arkansas |
| 55 | Elsie R Jasper | 3 | Daughter | — | California |
| 56 | Victor H Jasper | 1 | Son | — | California |
| 57 | Francis M Steele | 10 | Step daughter | — | California |
| 58 | Martha J Steele | 7 | Step daughter | — | California |
| 59 | John M Steele | 6 | Step son | — | California |
| 60 | Mary H Lloyd | 56 | Head | — | Tennessee |
| 61 | James H Lloyd | 4 | Nephew | — | California |
| 62 | Clyde Bickle | 54 | Head | Actor | Missouri |
| 63 | Eleanor W Bickle | 48 | Wife | Manager And Owner | Arkansas |
| 64 | George E Hungate | 50 | Head | Electrician | New York |
| 65 | Ynez J Hungate | 38 | Wife | — | Pennsylvania |
| 66 | Milton F Newellyn | 45 | Head | Construction Foreman | Colorado |
| 67 | Florence Newellyn | 40 | Wife | — | Minnesota |
| 68 | Milton S Newellyn | 17 | Son | — | California |
| 69 | Victor F Newellyn | 14 | Son | — | California |
| 70 | Dean Q Brown | 44 | Head | Police Officer | Utah |
| 71 | Daisy M Brown | 45 | Wife | — | Utah |
| 72 | Barbara E Brown | 20 | Daughter | New Worker | Utah |
| 73 | William H Brown | 17 | Son | — | Utah |
| 74 | Thomas H Mccreary | 65 | Head | — | Minnesota |
| 75 | Caroline Mccreary | 64 | Wife | — | Wisconsin |
| 76 | Grant Coulter | 23 | Head | Loan Clerk | California |
| 77 | Patricia Coulter | 23 | Wife | — | Minnesota |
| 78 | Herbert M Ilay | 71 | Head | — | Minnesota |
| 79 | Mary R Ilay | 68 | Wife | — | Minnesota |
| 80 | Alice E Ilay | 40 | Daughter | — | Minnesota |
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)