WB
William Bell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Bell across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1854), then head of a 3-person household.
Age 86
b. ~1854
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Bell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 86 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Chicago |
| Est. Birth Year | ~1854 |
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 Bell | Head | — | 86 | ~1854 |
| John Bell | Son | — | 56 | ~1884 |
| Mary Bell | Spouse | — | 73 | ~1867 |
Census Appearances
1900
Cook, Illinois
Head, age 41
Cook, Illinois · implied b. ~1859 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Michigan |
| Birth Month | Jan |
| Birth Year | 1859 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Write | Policeman |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1910
Cook, Illinois
Head, age 52
Cook, Illinois · implied b. ~1858 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Michigan |
| Years Married | 22 |
| Father's Birthplace | Scotland English |
| Mother's Birthplace | Scotland English |
| Occupation | Police |
| Industry | City |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Cook, Illinois
Head, age 63
Cook, Illinois · implied b. ~1857 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Scotland |
| Mother's Birthplace | New Brunswick |
| Occupation | Watchman |
| Industry | Iron Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | F |
| Birth State | Michigan |
| Birth Country | United States |
| Year of Naturalization | O |
| Birthplace (normalized) | michigan |
1930
Cook, Illinois
Head, age 75
Cook, Illinois · implied b. ~1855 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 29 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8000 |
| Radio Set | R |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Cook-County, Illinois
Head, age 86
Cook-County, Illinois · implied b. ~1854 — 3 household members
| Surname | Bell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 86 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Bell across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Bell
Head · 1940 · age 86 · b. ~1854 · 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00945-00352)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John C. Mallory | 58 | Head | Switchman | Illinois |
| 42 | Mayme Mallory | 52 | Wife | — | Kansas |
| 43 | Mary C. Mallory | 21 | Daughter | Switchboard Operator | Illinois |
| 44 | John Mallory | 2 | Son | — | Illinois |
| 45 | Otto B. Kleihauer | 59 | Head | Distiller | Germany |
| 46 | Martha Kleihauer | 41 | Wife | Char Woman | Poland |
| 47 | Edmund Kleihauer | 22 | Son | Helper | Illinois |
| 48 | Otto Jr. Kleihauer | 16 | Son | — | Illinois |
| 49 | Bertha T. Kleihauer | 14 | Daughter | — | Illinois |
| 50 | Lester Kleihauer | 12 | Son | — | Illinois |
| 51 | Laura Kleihauer | 10 | Daughter | — | Illinois |
| 52 | Donald Kleihauer | 8 | Son | — | Illinois |
| 53 | Robert Kleihauer | 7 | Son | — | Illinois |
| 54 | William Bell THIS PERSON | 86 | Head | — | Michigan |
| 55 | Mary H. Bell | 73 | Wife | — | Illinois |
| 56 | John Bell | 56 | Son | Stationary Engineer | Illinois |
| 57 | Patrick C. Dooley | 60 | Head | Mail Collector | Illinois |
| 58 | Agnes C. Dooley | 56 | Wife | — | Germany |
| 59 | James Dooley | 25 | Son | Laborer | Illinois |
| 60 | Josephine Dooley | 21 | Daughter | — | Illinois |
| 61 | Marion Dooley | 17 | Daughter | — | Illinois |
| 62 | John Dooley | 13 | Son | — | Illinois |
| 63 | Irving S. Maynard | 46 | Head | Policeman | Illinois |
| 64 | Anna M. Maynard | 45 | Wife | — | Illinois |
| 65 | Edward S. Maynard | 21 | Son | Truck Driver | Illinois |
| 66 | John Roznowski | 34 | Head | Truck Driver | Illinois |
| 67 | Lena D. Roznowski | 32 | Wife | Tailor | Illinois |
| 68 | Arlene Roznowski | 4 | Daughter | — | Illinois |
| 69 | Eugene Roznowski | 1 | Son | — | Illinois |
| 70 | Julia Roznowski | 23 | Daughter | Tailor | Illinois |
| 71 | Extra Line Wrong Information | None | — | — | — |
| 72 | Ernest E. Cox | 25 | Head | Dispatcher | Illinois |
| 73 | Helen M. Cox | 22 | Wife | — | Illinois |
| 74 | Harry Cox | 1 | Son | — | Illinois |
| 75 | Helen Cremoney | 55 | Head | — | Illinois |
| 76 | Helen C. Cremoney | 18 | Daughter | Filing Clerk | Illinois |
| 77 | Stanley Amborski | 43 | Head | Truck Driver | Illinois |
| 78 | Ann Amborski | 26 | Wife | — | Illinois |
| 79 | Dorothy Amborski | 6 | Daughter | — | Illinois |
| 80 | Lorraine Amborski | 1 | Daughter | — | Illinois |
Related Census Records
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)