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Charles Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Charles Caldwell across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 5-person household.
Age 47
b. ~1893
Male
Head
Born: Oklahoma
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Caldwell |
| Given Name | Charles H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Repairman |
| Industry | Lock Trim & Hdw Mfg Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 12 |
| 1935 Residence | Same Place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Repairman |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1893 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Barbara Caldwell | Daughter | — | 17 | ~1923 |
| Charles Caldwell | Head | — | 47 | ~1893 |
| C Caldwell | Son | — | 20 | ~1920 |
| Anna Caldwell | Spouse | — | 44 | ~1896 |
| Betty Caldwell | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Winnebago, Illinois
Head, age 27
Winnebago, Illinois · implied b. ~1893 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Winnebago, Illinois
Head, age 37
Winnebago, Illinois · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Charles W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| Age at First Marriage | 28 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Louisiana |
| Occupation | Proprietor |
| Industry | Restaurant |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 36 |
| Radio Set | R |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Winnebago-County, Illinois
Head, age 47
Winnebago-County, Illinois · implied b. ~1893 — 5 household members
| Surname | Caldwell |
| Given Name | Charles H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Occupation | Repairman |
| Industry | Lock Trim & Hdw Mfg Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 12 |
| 1935 Residence | Same Place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Charles Caldwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Caldwell
Head · 1940 · age 47 · b. ~1893 · 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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00915-00120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Donna Rae Lorenzo | 11 | Daughter | — | Illinois |
| 42 | Alfred Lundberg | 74 | Head | Grinder | Sweden |
| 43 | Jennie H Lundberg | 70 | Wife | — | Sweden |
| 44 | Sheliam Gerais | 48 | Head | Proprietor | Lithuania |
| 45 | Mary A Gerais | 35 | Wife | — | Illinois |
| 46 | William Lapinski | 70 | Lodger | — | Lithuania |
| 47 | Roy H John | 58 | Head | Druggist | Canada-English |
| 48 | Nellie John | 57 | Wife | — | Missouri |
| 49 | L Arthur Madsen | 24 | Head | Machinist | Norway |
| 50 | Ruth Madsen | 23 | Wife | — | Illinois |
| 51 | Dale Madsen | 1 | Son | — | Illinois |
| 52 | Arthur A Knott | 51 | Head | Real Estate Broker | Illinois |
| 53 | Harriet T Knott | 51 | Wife | — | Illinois |
| 54 | Marjorie Knott | 19 | Daughter | Beautician | Oregon |
| 55 | Bernard Olson | 28 | Head | Tool Designer | Illinois |
| 56 | Beatrice D Olson | 27 | Wife | — | Wisconsin |
| 57 | C Emil Olson | 74 | Head | — | Sweden |
| 58 | Helma Olson | 60 | Wife | — | Sweden |
| 59 | Carolyn S Olson | 26 | Daughter | Inspect & Wrap | Illinois |
| 60 | Daniel Olson | 24 | Son | Machinist | Illinois |
| 61 | Elizabeth Olson | 22 | Daughter | Registered Nurse | Illinois |
| 62 | Eleanor Olson | 19 | Daughter | Steno-Grapher | Illinois |
| 63 | Elsie A E Albers | 30 | Head | Stenographer | Illinois |
| 64 | Carolyn A Albers | 21 | Sister | Secretary | Illinois |
| 65 | John A Anderson | 60 | Head | Carpenter | Sweden |
| 66 | Esther Anderson | 52 | Wife | — | Minnesota |
| 67 | Harris A Anderson | 21 | Son | Salesman & Delivery Truck | Minnesota |
| 68 | Gerald L Anderson | 17 | Son | — | Illinois |
| 69 | John S Anderson | 13 | Son | — | Illinois |
| 70 | Ferdinand Levy | 63 | Head | Proprietor | Germany |
| 71 | Rae Levy | 60 | Wife | Proprietor | Pennsylvania |
| 72 | Isaac S Levy | 88 | Father | — | France |
| 73 | Charles H Caldwell THIS PERSON | 47 | Head | Repairman | Oklahoma |
| 74 | Anna E Caldwell | 44 | Wife | — | Illinois |
| 75 | C John Caldwell | 20 | Son | Asst Station Manager | Illinois |
| 76 | Betty A Caldwell | 19 | Daughter | — | Illinois |
| 77 | Barbara E Caldwell | 17 | Daughter | — | Illinois |
| 78 | Elzo Engelhardt | 31 | Head | Electrician | Illinois |
| 79 | Mable Engelhardt | 26 | Wife | — | Illinois |
| 80 | John Eric Engelhardt | 1 | 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)