WU
William Underwood — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this William Underwood across the 1920, 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | Underwood |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Occupation | laborer |
| Industry | rd. construction |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 918 |
| Highest Grade | 8 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Vance Twp |
| Est. Birth Year | ~1880 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Underwood | Head | — | 60 | ~1880 |
| Bessie Underwood | Spouse | — | 52 | ~1888 |
| Lester Underwood | Son | — | 18 | ~1922 |
Census Appearances
1920
Vermilion, Illinois
Head, age 39
Vermilion, Illinois · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Vermilion, Illinois
Head, age 50
Vermilion, Illinois · implied b. ~1880 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Township road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Head, age 60
Vermilion-County, Illinois · implied b. ~1880 — 3 household members
| Surname | Underwood |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (County) | Vermilion |
| Occupation | laborer |
| Industry | rd. construction |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 918 |
| Highest Grade | 8 |
| 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 William Underwood across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Underwood
Head · 1940 · age 60 · b. ~1880 · 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 — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00899-00835)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arlene Howard | 8 | Daughter | — | Illinois |
| 2 | Ray Kuhl | 46 | Head | Farming | Indiana |
| 3 | Letia Kuhl | 37 | Wife | — | Indiana |
| 4 | Ray Kuhl | 21 | Son | Laborer | Indiana |
| 5 | Lee Brenton | 64 | Head | Farming | Illinois |
| 6 | Stella Brenton | 64 | Wife | — | Illinois |
| 7 | Marvin F. Puzey | 21 | Head | Farming | Illinois |
| 8 | Lema Puzey | 22 | Wife | — | Illinois |
| 9 | Lon Myers | 66 | Head | — | Kentucky |
| 10 | Minta Myers | 58 | Wife | — | Illinois |
| 11 | Isaac Rowand | 54 | Head | Farming | Illinois |
| 12 | Allie Rowand | 50 | Wife | — | Illinois |
| 13 | Lawrence Rowand | 20 | Son | Laborer | Illinois |
| 14 | Kathryn Rowand | 20 | Daughter | — | Illinois |
| 15 | Jessie Morrison | 34 | Lodger | Teacher | Illinois |
| 16 | Sam Davis | 49 | Head | Farming | Indiana |
| 17 | Clara Davis | 45 | Wife | — | Illinois |
| 18 | Robert Davis | 15 | Son | — | Illinois |
| 19 | Emma Davis | 73 | Aunt | — | Indiana |
| 20 | Ora Mccarty | 58 | Head | Laborer | Illinois |
| 21 | Maude Mccarty | 49 | Wife | — | Illinois |
| 22 | Alberta Mccarty | 10 | Daughter | — | Illinois |
| 23 | Emmett Jones | 81 | Father-in-law | — | Ohio |
| 24 | William H. Underwood THIS PERSON | 60 | Head | Laborer | Illinois |
| 25 | Bessie Underwood | 52 | Wife | — | Kentucky |
| 26 | Lester Underwood | 18 | Son | — | Illinois |
| 27 | Rosella G. Craig | 88 | Head | Owner | Illinois |
| 28 | Scott Craig | 59 | Son | Farming | Illinois |
| 29 | Grover Craig | 52 | Son | Farming | Illinois |
| 30 | Tom V. Craig | 48 | Son | Farming | Illinois |
| 31 | Hazel Hennis | 19 | Housemaid | Housemaid | Illinois |
| 32 | James Danforth | 59 | Head | Owner | Illinois |
| 33 | Bertha Danforth | 54 | Wife | — | Illinois |
| 34 | Jesse Howard | 58 | Brother-in-law | — | Illinois |
| 35 | Pearl Dye | 58 | Lodger | — | Indiana |
| 36 | George R. Talley | 61 | Head | Farming | Illinois |
| 37 | Ella Talley | 61 | Wife | — | Illinois |
| 38 | Frank Miller | 66 | Head | Farming | Indiana |
| 39 | Thelma Miller | 57 | Wife | — | Indiana |
| 40 | Carl C. King | 54 | Head | Barber | 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)