WT
William Todd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lee-County, Illinois
Our Model Tree links this William Todd across the 1910, 1920, 1930 and 1940 US Censuses in Lee-County, Illinois (XGBoost, ~Confirmed), with identified parents Rose & Rosie — first a head (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Illinois |
| Surname | Todd |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | East Grove Township |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | East Grove Township |
| Est. Birth Year | ~1903 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Todd | Head | — | 37 | ~1903 |
| William Todd | Other | — | 63 | ~1877 |
| William Todd | Son | — | 1 | ~1939 |
| John Todd | Son | — | 15 | ~1925 |
| Joseph Todd | Son | — | 14 | ~1926 |
| Ella Todd | Spouse | — | 36 | ~1904 |
Census Appearances
1910
Lee, Illinois
Son, age 10
Lee, Illinois · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Lee, Illinois
Son, age 19
Lee, Illinois · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Lee, Illinois
Head, age 29
Lee, Illinois · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 95 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lee-County, Illinois
Head, age 37
Lee-County, Illinois · implied b. ~1903 — 6 household members
| Surname | Todd |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | East Grove Township |
| 1935 Residence (County) | Lee |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Income (1939) | 0 |
| Highest Grade | No 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 William Todd across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rose Todd (~0.92 confidence) and mother Rosie Todd (~0.92 confidence) and father William Todd (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rose Todd
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Rosie Todd
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
William Todd
b. ~1872
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Todd
Head · 1940 · age 37 · b. ~1903 · 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 — Lee-County, Illinois
Open full size
1940 US Federal Census — Lee-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00836-00681)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Kelly | 48 | Head | Farmer | Illinois |
| 2 | Verna Kelly | 27 | Wife | — | Illinois |
| 3 | Tillie Kelly | 70 | Mother | — | Illinois |
| 4 | James Sharkey | 50 | Head | Farmer | Illinois |
| 5 | Isabelle Sharkey | 44 | Sister | — | Illinois |
| 6 | Rose Powers | 47 | Sister | — | Illinois |
| 7 | John Donovan | 19 | Lodger | Laborer | Illinois |
| 8 | William J. Todd THIS PERSON | 37 | Head | Farmer | Illinois |
| 9 | Ella Todd | 36 | Wife | — | Illinois |
| 10 | John Todd | 15 | Son | Laborer | Illinois |
| 11 | Joseph Todd | 14 | Son | — | Illinois |
| 12 | William J. Todd | 1 | Son | — | Illinois |
| 13 | William Sr. Todd | 63 | Father | — | Illinois |
| 14 | Joseph D. Coleman | 65 | Head | Farmer | Illinois |
| 15 | Edmund Downey | 43 | Head | Laborer | Illinois |
| 16 | Anna Downey | 44 | Wife | — | Illinois |
| 17 | Ilene Downey | 20 | Daughter | — | Illinois |
| 18 | Frances Downey | 18 | Daughter | — | Illinois |
| 19 | Harold Downey | 16 | Son | Laborer | Illinois |
| 20 | Isabelle Downey | 14 | Daughter | — | Illinois |
| 21 | Robert Downey | 12 | Son | — | Illinois |
| 22 | Joseph Downey | 11 | Son | — | Illinois |
| 23 | Stephen Downey | 4 | Son | — | Illinois |
| 24 | Belle Hanrahan | 69 | Head | — | Illinois |
| 25 | Harold Hanrahan | 22 | Son | Laborer | Illinois |
| 26 | William Dulen | 55 | Head | Farmer | Illinois |
| 27 | Jessie Dulen | 45 | Wife | — | Illinois |
| 28 | Janet Dulen | 20 | Daughter | — | Illinois |
| 29 | Bernice Dulen | 17 | Daughter | — | Illinois |
| 30 | Marjorie Dulen | 15 | Daughter | — | Illinois |
| 31 | Alva Fritz | 46 | Head | Farmer | Illinois |
| 32 | Ada Fritz | 46 | Wife | — | Illinois |
| 33 | Ethel Fritz | 12 | Daughter | — | Illinois |
| 34 | Albert Albrecht | 51 | Head | Farmer | Illinois |
| 35 | Isabelle Albrecht | 53 | Wife | — | Illinois |
| 36 | Clifford Albrecht | 21 | Son | Laborer | Illinois |
| 37 | Lloyd Albrecht | 17 | Son | — | Illinois |
| 38 | Nathan Frick | 24 | Head | Farmer | Illinois |
| 39 | Margaret Frick | 20 | Wife | — | Illinois |
| 40 | Henry Faber | 28 | Head | Farmer | Illinois |
Pedigree Summary
William
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)