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James Mills — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Livingston-County, Illinois
Our Model Tree links this James Mills across the 1930 and 1940 US Censuses in Livingston-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Livingston-County, Illinois |
| Surname | Mills |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Esmen Township |
| 1935 Residence (County) | Livingston |
| Additional Details | |
| Occupation | Farm work |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 888 |
| Highest Grade | G-8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farm Work |
| Township / Ward | Esmen Township |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Mills | Daughter | — | 25 | ~1915 |
| Carmelita Mills | Daughter | — | 17 | ~1923 |
| Brown Mills | Daughter | — | 31 | ~1909 |
| Jesse Mills | Head | — | 58 | ~1882 |
| Thomas Mills | Other | — | 4 | ~1936 |
| Sam Mills | Son | — | 29 | ~1911 |
| James Mills | Son | — | 21 | ~1919 |
| Nora Mills | Spouse | — | 62 | ~1878 |
Census Appearances
1930
Livingston, Illinois
Son, age 11
Livingston, Illinois · implied b. ~1919 — 45 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mills |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Livingston-County, Illinois
Son, age 21
Livingston-County, Illinois · implied b. ~1919 — 8 household members
| Surname | Mills |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Esmen Township |
| 1935 Residence (County) | Livingston |
| Occupation | Farm work |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 888 |
| Highest Grade | G-8 |
| 1935 Residence | Same place |
| 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 Mills across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mills
Son · 1940 · age 21 · b. ~1919 · Illinois
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Sibling
Carmelita Mills
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Brown Mills
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mills
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sam Mills
Sibling · 1940 · age 29
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 — Livingston-County, Illinois
Open full size
1940 US Federal Census — Livingston-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00837-00282)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter G Schmidt | 40 | Head | Farmer | Illinois |
| 2 | Doris B Schmidt | 28 | Wife | — | Missouri |
| 3 | Walter Jr Schmidt | 19 | Son | Farm Hand | Illinois |
| 4 | Merna J Schmidt | 17 | Daughter | — | Illinois |
| 5 | Donald W Schmidt | 16 | Son | Helping On Farm | Illinois |
| 6 | Raymond E Schmidt | 13 | Son | — | Illinois |
| 7 | Herman E Schmidt | 2 | Son | — | Illinois |
| 8 | Raymond E Bohm | 8 | Step-son | — | Illinois |
| 9 | Will King | 67 | Head | Farmer | Illinois |
| 10 | Emma King | 63 | Wife | — | Illinois |
| 11 | Jesse Mills | 58 | Head | Farmer | Illinois |
| 12 | Nora Mills | 62 | Wife | — | Illinois |
| 13 | Sam Mills | 29 | Son | Pay For Helping On Farm | Illinois |
| 14 | Helen Mills | 25 | Daughter | — | Illinois |
| 15 | James Mills THIS PERSON | 21 | Son | Farm Work | Illinois |
| 16 | Carmelita Mills | 17 | Daughter | — | Illinois |
| 17 | Brown Margaret Mills | 31 | Daughter | Office Work | Illinois |
| 18 | Thomas W Mills | 4 | Grand-son | — | Illinois |
| 19 | Kenneth W Klein | 35 | Head | Farmer | Illinois |
| 20 | Ruby S Klein | 28 | Wife | — | Tennessee |
| 21 | Roselyn M Klein | 9 | Daughter | — | Illinois |
| 22 | Roger F Klein | 7 | Son | — | Illinois |
| 23 | Fred F Klein | 59 | Father | Salesman | Illinois |
| 24 | Rosalind E Klein | 58 | Mother | Practical Nurse | Illinois |
| 25 | Orval C Ross | 28 | Head | Farmer | Illinois |
| 26 | Lucille E Ross | 26 | Wife | — | Illinois |
| 27 | Betty Marie Ross | 2 | Daughter | — | Illinois |
| 28 | Bert C Freeborn | 60 | Head | Farmer | Illinois |
| 29 | Mary F Freeborn | 59 | Wife | — | Illinois |
| 30 | Bert F Fitzgerald | 53 | Head | Farmer | Illinois |
| 31 | Catherine J Fitzgerald | 40 | Wife | — | Minnesota |
| 32 | Paul P Fitzgerald | 16 | Son | — | North Dakota |
| 33 | Richard E Fitzgerald | 15 | Son | — | North Dakota |
| 34 | Jean M Fitzgerald | 10 | Daughter | — | Minnesota |
| 35 | Rosemary Fitzgerald | 2 | Daughter | — | Illinois |
| 36 | Sidney Trainor | 46 | Head | Farmer | Illinois |
| 37 | Mabel P Trainor | 40 | Wife | — | Illinois |
| 38 | Joseph Trainor | 20 | Son | Helping On Farm | Illinois |
| 39 | Vincent Trainor | 15 | Son | Helping On Farm | Illinois |
| 40 | Lawrence Trainor | 17 | Son | Farm Laborer | Illinois |
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)