RT
Robert Todd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Will-County, Illinois
Our Model Tree links this Robert Todd across the 1920, 1930 and 1940 US Censuses in Will-County, Illinois (XGBoost, ~Confirmed), with identified parents Herbert & William — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Will-County, Illinois |
| Surname | Todd |
| Given Name | Robert T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joliet city |
| 1935 Residence (County) | Will |
| Additional Details | |
| Occupation | Color Dipper |
| Industry | Wall Paper Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Color Dipper |
| Township / Ward | Joliet City |
| Est. Birth Year | ~1918 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Todd | Son | — | 22 | ~1918 |
| La Person | Daughter | — | 10 | ~1930 |
| Eleanor Todd | Daughter | — | 21 | ~1919 |
| Herbert Person | Head | — | 34 | ~1906 |
| Velva Todd | Daughter | — | 14 | ~1926 |
| Isabelle Person | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Will, Illinois
Son, age 2
Will, Illinois · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Will, Illinois
Other, age 12
Will, Illinois · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | TODD |
| Given Name | ROBERT |
| Relationship to Head | STEP-SON |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | ILLINOIS |
| Father's Birthplace | ILLINOIS |
| Mother's Birthplace | ILLINOIS |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Will-County, Illinois
Son, age 22
Will-County, Illinois · implied b. ~1918 — 6 household members
| Surname | Todd |
| Given Name | Robert T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Joliet city |
| 1935 Residence (County) | Will |
| Occupation | Color Dipper |
| Industry | Wall Paper Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| 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 Robert Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herbert Person (~0.60 confidence) and father William Todd (~0.92 confidence) and mother Isabelle Person (~0.92 confidence) and mother Isabelle Todd (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Herbert Person
b. ~1906
Source father
● Household
· direct · ~0.6
Father
William Todd
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Isabelle Person
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Isabelle Todd
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Todd
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
La Person
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Todd
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velva Todd
Sibling · 1940 · age 14
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 — Will-County, Illinois
Open full size
1940 US Federal Census — Will-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00908-00102)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Larry J. Carr | 6 | Son | — | Illinois |
| 2 | Robert B Carr | 2 | Son | — | Illinois |
| 3 | Bonna Ruth Carr | 0 | Daughter | — | Illinois |
| 4 | Katherine J. Paul | 63 | Head | — | Illinois |
| 5 | Edward J. Porter | 61 | Head | Custodian | Illinois |
| 6 | Mae E. Porter | 55 | Wife | — | Illinois |
| 7 | George A. Porter | 21 | Son | Clerk | Illinois |
| 8 | James E. Corcoran | 62 | Head | — | Illinois |
| 9 | Mary B. Corcoran | 66 | Wife | — | Eire |
| 10 | Andrew P. Corcoran | 28 | Son | Sergeant | Illinois |
| 11 | Phillip G. Corcoran | 25 | Son | Pressman | Illinois |
| 12 | James H. Hatton | 46 | Head | Fireman | Indiana |
| 13 | Clara M. Hatton | 47 | Wife | — | Indiana |
| 14 | James R. Hatton | 17 | Son | New Worker | Illinois |
| 15 | Mary F. Hatton | 15 | Daughter | New Worker | Illinois |
| 16 | Betty Jane Hatton | 13 | Daughter | — | Illinois |
| 17 | William R. Hatton | 11 | Son | — | Illinois |
| 18 | Norma J. Hatton | 5 | Daughter | — | Illinois |
| 19 | Daniel Palmer | 75 | Head | — | Illinois |
| 20 | Nettie M. Palmer | 67 | Wife | — | Illinois |
| 21 | Pearl M. Palmer | 45 | Daughter | Clerk | Illinois |
| 22 | Alice V. Bahler | 74 | Head | — | Canada-English |
| 23 | Verna Vera Bahler | 22 | Roomer | Stenographer | Illinois |
| 24 | Arline Bahler | 25 | Roomer | Director | Illinois |
| 25 | Jennie L. Mcfadden | 74 | Head | — | Illinois |
| 26 | Georgia A. Mcfadden | 52 | Daughter | Clerk | Illinois |
| 27 | Cal E. Mcfadden | 48 | Son | — | Illinois |
| 28 | Harold J. Mcfadden | 41 | Son | Time Keeper | Illinois |
| 29 | Irene E. Mcfadden | 18 | Grand Daughter | Stenographer | Illinois |
| 30 | John H. Mcfadden | 16 | Grand Son | New Worker | Illinois |
| 31 | Richard T. Mcfadden | 14 | Grand Son | New Worker | Illinois |
| 32 | Herbert Person | 34 | Head | Fireman | Minnesota |
| 33 | Isabelle A. Person | 42 | Wife | — | Illinois |
| 34 | Robert T. Todd THIS PERSON | 22 | Son | Color Dipper | Illinois |
| 35 | Eleanor I. Todd | 21 | Daughter | Sales Lady | Illinois |
| 36 | Velva Marie Todd | 14 | Daughter | Maid | Illinois |
| 37 | La Vauchen Person | 10 | Daughter | — | Illinois |
| 38 | Richard W. Pousley | 64 | Head | Fireman | Iowa |
| 39 | Anna M. Pousley | 57 | Wife | — | Illinois |
| 40 | Kenneth F. Pousley | 31 | Son | Winder | Minnesota |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 parents
~0.84
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)