JH
James Hopkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Greene-County, Illinois
Our Model Tree links this James Hopkins across the 1920, 1930 and 1940 US Censuses in Greene-County, Illinois (XGBoost, ~Confirmed), with identified parents W & William — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Illinois |
| Surname | Hopkins |
| Given Name | James F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Roodhouse |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Occupation | Machine operator |
| Industry | Envelope Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machine Operator |
| Township / Ward | Roodhouse |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Harvey Simpson | Other | — | 38 | ~1902 |
| James Hopkins | Son | — | 23 | ~1917 |
| Retta Hopkins | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Greene, Illinois
Son, age 3
Greene, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | James F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Greene, Illinois
Son, age 13
Greene, Illinois · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Greene-County, Illinois
Son, age 23
Greene-County, Illinois · implied b. ~1917 — 3 household members
| Surname | Hopkins |
| Given Name | James F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Roodhouse |
| 1935 Residence (County) | Greene |
| Occupation | Machine operator |
| Industry | Envelope Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Hopkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Hopkins (~0.92 confidence) and father William Hopkins (~0.92 confidence) and mother Retta Hopkins (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Hopkins
b. ~1885
Source father
● Household
· direct · ~0.92
Father
William Hopkins
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Retta Hopkins
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Hopkins
Son · 1940 · age 23 · b. ~1917 · Illinois
★ 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 — Greene-County, Illinois
Open full size
1940 US Federal Census — Greene-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00808-00304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Retta Hopkins | 52 | Wife | Machine Operator | Kansas |
| 42 | James F Hopkins THIS PERSON | 23 | Son | Machine Operator | Illinois |
| 43 | Harvey Simpson | 38 | Nephew | Laborer | Illinois |
| 44 | Chas C Ballard | 28 | Head | Deliveryman | Illinois |
| 45 | Clara M Ballard | 21 | Wife | — | Missouri |
| 46 | Elsie M Ballard | 8 | Daughter | — | Illinois |
| 47 | Anditia L Ballard | 2 | Daughter | — | Illinois |
| 48 | Leo W Ballard | 47 | Head | Crew Dispatcher | Illinois |
| 49 | Elsie Ballard | 45 | Wife | — | Illinois |
| 50 | Orval K Ballard | 23 | Son | New Worker | Illinois |
| 51 | Lloyd L Ballard | 21 | Son | New Worker | Illinois |
| 52 | Cassie L Ballard | 18 | Daughter | — | Illinois |
| 53 | Elsie I Ballard | 16 | Daughter | — | Illinois |
| 54 | Martha G Ballard | 13 | Daughter | — | Illinois |
| 55 | Alice E Ballard | 12 | Daughter | — | Illinois |
| 56 | Lawrence S Ballard | 9 | Son | — | Illinois |
| 57 | Richard O Stansbury | 34 | Head | Laborer | Illinois |
| 58 | Elizabeth Stansbury | 34 | Wife | — | Illinois |
| 59 | Anna J Stansbury | 4 | Daughter | — | Illinois |
| 60 | Jennie O Walker | 52 | Head | — | Illinois |
| 61 | Oliver H Mueller | 48 | Head | Superintendent | Missouri |
| 62 | Edith Mueller | 42 | Wife | — | Illinois |
| 63 | Dale F Mueller | 17 | Son | — | Illinois |
| 64 | Emily A Mueller | 15 | Daughter | — | Illinois |
| 65 | Junia A Maberry | 37 | Head | — | Illinois |
| 66 | Lewis A Maberry | 16 | Son | — | Illinois |
| 67 | Jackie J Maberry | 12 | Son | — | Illinois |
| 68 | Mary J Maberry | 7 | Daughter | — | Illinois |
| 69 | Olga M Maberry | 4 | Daughter | — | Illinois |
| 70 | Archie O Crabtree | 42 | Head | Locomotive Fireman | Illinois |
| 71 | Mary E Crabtree | 40 | Wife | — | Illinois |
| 72 | Helen L Crabtree | 21 | Daughter | Seamstress | Illinois |
| 73 | Vernon R Crabtree | 18 | Son | Assistant Janitor | Illinois |
| 74 | Archie Jr Crabtree | 14 | Son | — | Illinois |
| 75 | End Of Block | None | — | — | — |
| 76 | James H Hayden | 33 | Head | — | Illinois |
| 77 | Nellie E Hayden | 33 | Wife | — | Illinois |
| 78 | Henry Orelchman | 77 | Head | — | England |
| 79 | Don George H Case | 27 | Head | Yard Clerk | Missouri |
| 80 | Doris J Case | 24 | Wife | — | Illinois |
Pedigree Summary
James
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)