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James Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this James Miller across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Eugene & Samath — first a son (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Miller |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Marine Engine |
| Class of Worker | PW |
| Income (1939) | 312 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Mechanic |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1907 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Eugene Miller | Head | — | 57 | ~1883 |
| James Miller | Son | — | 33 | ~1907 |
| Cara Miller | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Los Angeles, …
Son, age 12
Los Angeles, California · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Missouri |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Son, age 22
Los Angeles, California · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Mechanic |
| Industry | Auto Repairing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 33
Los-Angeles-County, California · implied b. ~1907 — 3 household members
| Surname | Miller |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Mechanic |
| Industry | Marine Engine |
| Class of Worker | PW |
| Income (1939) | 312 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 James Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Eugene Miller (~0.92 confidence) and father Samath Miller (~0.92 confidence) and father Sam Miller (~0.92 confidence) and mother Cora Miller (~0.92 confidence) and mother Ira Miller (~0.92 confidence) and mother Cara Miller (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Miller
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Samath Miller
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Sam Miller
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Cora Miller
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Ira Miller
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Cara Miller
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Miller
Son · 1940 · age 33 · b. ~1907 · 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
40 people indexed on this census page (nara:1940:m-t0627-00386-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Laman V Sweater | 48 | Head | Salesman | Georgia |
| 42 | Lou Sweater | 47 | Wife | — | Georgia |
| 43 | Preston V Sweater | 21 | Son | Delivery Truck Driver | California |
| 44 | Agnes Sweater | 16 | Daughter | — | California |
| 45 | Ben B Saporito | 28 | Head | Machinist | California |
| 46 | Mary A Saporito | 25 | Wife | — | Louisiana |
| 47 | Leo B Saporito | 1 | Son | — | California |
| 48 | Luther L Bevan | 57 | Head | — | Iowa |
| 49 | Alice C Bevan | 54 | Wife | — | Kansas |
| 50 | Lawrence F Heyman | 29 | Head | Cutter | Kansas |
| 51 | Viola G Heyman | 25 | Wife | — | Maine |
| 52 | Paul Petralis | 44 | Head | Packing Machine Oper | Italy |
| 53 | Erguas Petralis | 34 | Wife | Power Machine Operator | Louisiana |
| 54 | Rose Petralis | 14 | Daughter | — | California |
| 55 | Betty Petralis | 9 | Daughter | — | California |
| 56 | John Rampease | 27 | Head | Bark Peeler | Louisiana |
| 57 | Angie B Rampease | 26 | Wife | — | Louisiana |
| 58 | Anthony Rampease | 1 | Son | — | California |
| 59 | Mary Q Petralis | 35 | Sister-in-law | Seamstress | Louisiana |
| 60 | Sarah Petralis | 30 | Sister | Seamstress | Louisiana |
| 61 | Eli J Sprankle | 49 | Head | Wholesale Milk Salesman | Colorado |
| 62 | Abby Sprankle | 49 | Wife | — | Colorado |
| 63 | William M Byers | 54 | Head | Motorman | Missouri |
| 64 | Minnie A Byers | 54 | Wife | Bakery Clerk | Iowa |
| 65 | Servando Hernandez | 56 | Head | — | Spain |
| 66 | Emelie E Hernandez | 52 | Wife | — | Germany |
| 67 | Donald Newcomb | 26 | Head | Welder | Oregon |
| 68 | Marie S Newcomb | 22 | Wife | — | No Dakota |
| 69 | Cathlene Newcomb | 3 | Daughter | — | California |
| 70 | Kenneth Newcomb | 3 | Son | — | California |
| 71 | Eugene H Miller | 57 | Head | Gas Station Operator | Missouri |
| 72 | Cara B Miller | 57 | Wife | — | Illinois |
| 73 | James R Miller THIS PERSON | 33 | Son | Mechanic | California |
| 74 | Louis P Gronado | 42 | Head | Carpenter | Mexico |
| 75 | Ruth Gronado | 36 | Wife | — | California |
| 76 | Gloria L Gronado | 18 | Daughter | New Worker | California |
| 77 | Rose Gronado | 16 | Daughter | — | California |
| 78 | Louis Jr Gronado | 14 | Son | — | California |
| 79 | Albert J D Cuen | 58 | Head | Laborer | Arizona |
| 80 | Stella H Cuen | 58 | Wife | — | Arizona |
Pedigree Summary
James
Gen 1 · 6 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)