TM
Theodore Miller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Theodore Miller across the 1920, 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Miller |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galesburg |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Sand Blaster |
| Industry | Refrigerator Mfg. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Sand Blaster |
| Township / Ward | Galesburg |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Theodore | Age | Birth yr |
|---|---|---|---|---|
| Marnie Miller | Spouse | — | 24 | ~1916 |
| James Miller | Son | — | 3 | ~1937 |
| Donald Miller | Son | — | 1 | ~1939 |
| Theodore Miller | Head | — | 25 | ~1915 |
Census Appearances
1920
Knox, Illinois
Other, age 4
Knox, Illinois · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Theodore |
| Relationship to Head | grandson |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Knox, Illinois
Other, age 15
Knox, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Theodore |
| Relationship to Head | Stepson |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Knox-County, Illinois
Head, age 25
Knox-County, Illinois · implied b. ~1915 — 4 household members
| Surname | Miller |
| Given Name | Theodore |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galesburg |
| 1935 Residence (County) | Knox |
| Occupation | Sand Blaster |
| Industry | Refrigerator Mfg. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 600 |
| Highest Grade | Hs 4 |
| 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 Theodore Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Theodore Miller
Head · 1940 · age 25 · b. ~1915 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00826-00894)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lola Sparks | 38 | Lodger | Domestic | Illinois |
| 2 | Arthur Edwards | 54 | Head | Car Dist. | Illinois |
| 3 | Agnes Edwards | 48 | Wife | — | Illinois |
| 4 | Jenny Swanson | 84 | Mother-in-law | — | Sweden |
| 5 | Myrtle Mcpherson | 60 | Head | Conductor | Illinois |
| 6 | Hally Mcpherson | 38 | Son | — | Illinois |
| 7 | Minnie Mcpherson | 40 | Daughter-in-law | — | Illinois |
| 8 | Albin Lundeen | 46 | Head | Salesman | Illinois |
| 9 | Emma Lundeen | 43 | Wife | — | Illinois |
| 10 | Marjorie Lundeen | 20 | Daughter | Clerk | Illinois |
| 11 | Barbara Lundeen | 15 | Daughter | — | Illinois |
| 12 | Ernest Coulter | 57 | Head | Conductor | Illinois |
| 13 | Elizabeth Coulter | 59 | Wife | — | Illinois |
| 14 | Dorothy Coulter | 24 | Daughter | — | Illinois |
| 15 | Charles Parmenter | 64 | Head | — | Illinois |
| 16 | Flora H. Griffith | 71 | Sister | — | Illinois |
| 17 | Raymond Blair | 30 | Head | Store Operator | Illinois |
| 18 | Beulah Blair | 31 | Wife | Beauty Operat. | Illinois |
| 19 | Betty Blair | 9 | Daughter | — | Illinois |
| 20 | Carl O. Lind | 39 | Head | Engineer Maintenance | Illinois |
| 21 | Edith Lind | 32 | Wife | — | Illinois |
| 22 | Annabelle Lind | 10 | Daughter | — | Illinois |
| 23 | Joan Lind | 8 | Daughter | — | Illinois |
| 24 | Eugene Lind | 6 | Son | — | Illinois |
| 25 | Barbara Lind | 4 | Daughter | — | Illinois |
| 26 | Robert Lind | 1 | Son | — | Illinois |
| 27 | Theodore Miller THIS PERSON | 25 | Head | Sand Blaster | Illinois |
| 28 | Marnie Miller | 24 | Wife | — | Illinois |
| 29 | James T. Miller | 3 | Son | — | Illinois |
| 30 | Donald Miller | 1 | Son | — | Illinois |
| 31 | George L. De Wall | 35 | Head | Machinist | Illinois |
| 32 | Sophie De Wall | 35 | Wife | — | Illinois |
| 33 | Shirley De Wall | 12 | Daughter | — | Illinois |
| 34 | Bonnie De Wall | 10 | Daughter | — | Illinois |
| 35 | Beverly De Wall | 6 | Daughter | — | Illinois |
| 36 | Thomas De Wall | 2 | Son | — | Illinois |
| 37 | Mayme Currens | 60 | Head | — | Illinois |
| 38 | Lulu Asher | 52 | Head | — | Illinois |
| 39 | Dorothy Asher | 19 | Daughter | — | Illinois |
| 40 | Loren Asher | 15 | Son | — | 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)