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Charles Davidson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Charles Davidson across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 7-person household.
Age 36
b. ~1904
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Davidson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Des Plaines |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Foreman |
| Industry | Mushroom Growers |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 1560 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Foreman |
| Township / Ward | Maine Twp |
| Est. Birth Year | ~1904 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Carley Davidson | Son | — | 2 | ~1938 |
| Maxine Davidson | Daughter | — | 4 | ~1936 |
| Delores Davidson | Daughter | — | 2 | ~1938 |
| Edna Davidson | Spouse | — | 28 | ~1912 |
| Charles Davidson | Head | — | 36 | ~1904 |
| Ronald Davidson | Son | — | 7 | ~1933 |
| Darlene Davidson | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Cook, Illinois
Son, age 26
Cook, Illinois · implied b. ~1904 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Carlos L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Illinois |
| Occupation | Mushroom Picker |
| Industry | Mushroom Grower |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Cook-County, Illinois
Head, age 36
Cook-County, Illinois · implied b. ~1904 — 7 household members
| Surname | Davidson |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Des Plaines |
| 1935 Residence (County) | Cook |
| Occupation | Foreman |
| Industry | Mushroom Growers |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 1560 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Davidson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Davidson
Head · 1940 · age 36 · b. ~1904 · 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 — 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-t0627-00782-00804)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alfred Milbrandt | 29 | Head | Proprietor | Illinois |
| 2 | Eleanor Milbrandt | 27 | Wife | — | Illinois |
| 3 | Darlene Milbrandt | 5 | Daughter | — | Illinois |
| 4 | Martha Milbrandt | 2 | Daughter | — | Illinois |
| 5 | Reinhold Milbrandt | 63 | Head | Stationary Engineer | Russia |
| 6 | Emily Milbrandt | 65 | Wife | — | Russia |
| 7 | Reinhold Jr. Milbrandt | 27 | Son | Handyman | Illinois |
| 8 | Harvey Wilcox | 37 | Son-in-law | Press Operator | Illinois |
| 9 | Sara Wilcox | 34 | Daughter | — | Illinois |
| 10 | Nancy Wilcox | 9 | Granddaughter | — | Illinois |
| 11 | Bonnie Wilcox | 3 | Granddaughter | — | Illinois |
| 12 | Claus Johnson | 69 | Head | Proprietor | Sweden |
| 13 | Freda Johnson | 60 | Wife | — | Sweden |
| 14 | Edward Ladendorf | 43 | Head | Supervisor | Illinois |
| 15 | Wilhelmina Ladendorf | 37 | Wife | — | Illinois |
| 16 | Mary E. Ladendorf | 15 | Daughter | — | Illinois |
| 17 | Earl Ladendorf | 12 | Son | — | Illinois |
| 18 | Vernon Ladendorf | 3 | Son | — | Illinois |
| 19 | Benjamin F. Libbert | 66 | Head | Proprietor | Illinois |
| 20 | Lela Libbert | 41 | Daughter | — | Illinois |
| 21 | Robert Thamesmann | 49 | Boarder | Carpenter | Germany |
| 22 | Arnold Madsen | 33 | Head | Laborer | Wisconsin |
| 23 | Ruth Madsen | 30 | Wife | — | Illinois |
| 24 | Duane Madsen | 6 | Son | — | Illinois |
| 25 | David Madsen | 3 | Son | — | Illinois |
| 26 | Charles Davidson THIS PERSON | 36 | Head | Foreman | Nebraska |
| 27 | Edna Davidson | 28 | Wife | — | Illinois |
| 28 | Ronald Davidson | 7 | Son | — | Illinois |
| 29 | Maxine Davidson | 4 | Daughter | — | Illinois |
| 30 | Carley Davidson | 2 | Son | — | Illinois |
| 31 | Darlene Davidson | 5 | Daughter | — | Illinois |
| 32 | Delores Davidson | 2 | Daughter | — | Illinois |
| 33 | Arthur Neumann | 49 | Head | Porcelain Enamel Burner | Illinois |
| 34 | Flossie Neumann | 45 | Wife | — | Illinois |
| 35 | Floyd Neumann | 23 | Son | Helper | Illinois |
| 36 | Marjorie Neumann | 21 | Daughter | Bookkeeper | Illinois |
| 37 | Arthur Jr. Neumann | 17 | Son | — | Illinois |
| 38 | Sigmund Frankenbury | 53 | Head | Ground Keeper | Germany |
| 39 | Julia Frankenbury | 48 | Wife | — | Russia |
| 40 | Julia Frankenbury | 25 | Daughter | — | 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)