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David Evans — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this David Evans across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Evan & Jane — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Evans |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Clerk |
| Industry | Mfg Farm Imp. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2663 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Margaret Evans | Daughter | — | 37 | ~1903 |
| Evan Evans | Head | — | 68 | ~1872 |
| David Evans | Son | — | 28 | ~1912 |
| Jane Evans | Spouse | — | 67 | ~1873 |
Census Appearances
1920
Cook, Illinois
Son, age 8
Cook, Illinois · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | David J R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 18
Cook, Illinois · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Evans |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 28
Cook-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Evans |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Clerk |
| Industry | Mfg Farm Imp. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2663 |
| Highest Grade | C 2 |
| 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 David Evans across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Evan Evans (~0.92 confidence) and mother Jane Evans (~0.92 confidence) and mother Jane Evans (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Evan Evans
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Jane Evans
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Jane Evans
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Evans
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Margaret Evans
Sibling · 1940 · age 37
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 — 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-t0627-00940-00870)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luigi Colombo | 64 | Head | Shipping Clerk | Italy |
| 2 | Maria Colombo | 57 | Wife | — | Italy |
| 3 | Elsie B Colombo | 32 | Daughter | Librarian | Illinois |
| 4 | Peter Krumwiede | 49 | Head | Owner | Illinois |
| 5 | Florence Krumwiede | 46 | Wife | — | Illinois |
| 6 | Robert B Krumwiede | 20 | Son | — | Illinois |
| 7 | Evelyn B Krumwiede | 14 | Daughter | — | Illinois |
| 8 | Wayne Lee Allen | 47 | Head | — | Illinois |
| 9 | Hazel E Allen | 42 | Wife | Teacher | Illinois |
| 10 | Wayne Lee Jr Allen | 19 | Son | — | Illinois |
| 11 | David Allen | 14 | Son | — | Illinois |
| 12 | Gertrude Allen | 39 | Sister-in-law | — | Illinois |
| 13 | William Armand | 85 | Father-in-law | — | Canada English |
| 14 | Leonard Kluck | 41 | Head | Salesman | Pennsylvania |
| 15 | Estelle Kluck | 38 | Wife | Beauty Operator | Poland |
| 16 | Raymond Kluck | 12 | Son | — | Illinois |
| 17 | Joseph Farrelly | 50 | Head | Architectural Engineer | Illinois |
| 18 | Eva Farrelly | 47 | Wife | — | New York |
| 19 | Frances Farrelly | 12 | Daughter | — | Illinois |
| 20 | Noel Krier | 43 | Head | Maintenance Millwright | Missouri |
| 21 | Jeanette Krier | 42 | Wife | — | Kansas |
| 22 | William Krier | 12 | Son | — | Kansas |
| 23 | Carol Ann Krier | 8 | Daughter | — | Illinois |
| 24 | Richard Krier | 6 | Son | — | Illinois |
| 25 | Elsie Krier | 77 | Mother | — | Belgium |
| 26 | George Krier | 35 | Brother | Butcher | Missouri |
| 27 | Gus Krier | 32 | Brother | Clerk | Missouri |
| 28 | Roger Pierard | 26 | Cousin | Millwright | Kansas |
| 29 | Robert M Keler | 43 | Head | Contract Attorney | Nebraska |
| 30 | Ebba O Keler | 42 | Wife | — | Illinois |
| 31 | Audrey Keler | 16 | Daughter | — | Illinois |
| 32 | Vernon Keler | 14 | Son | — | Illinois |
| 33 | Evan Evans | 68 | Head | — | England |
| 34 | Jane E O Evans | 67 | Wife | — | England |
| 35 | Margaret Evans | 37 | Daughter | File Clerk | Illinois |
| 36 | David Evans THIS PERSON | 28 | Son | Clerk | Illinois |
| 37 | Carl O Aabye | 61 | Head | Foreman | Norway |
| 38 | Jessie Aabye | 57 | Wife | — | Norway |
| 39 | George Ewing | 62 | Head | Owner | Illinois |
| 40 | Stella M Ewing | 61 | Wife | Teacher | Illinois |
Related Census Records
Pedigree Summary
David + 1 sibling
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)