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James Ball — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Ball across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Minnie & Ermina — first a head (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Ball |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Salesman |
| Industry | Metal Products |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2200 |
| Highest Grade | Hs 2 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Park Ridge |
| Est. Birth Year | ~1899 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Ball | Son | — | 2 | ~1938 |
| James Ball | Head | — | 41 | ~1899 |
| Agnes Ball | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ball |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Illinois |
| Occupation | Book Keeper |
| Industry | Chemical Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 30
Cook, Illinois · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ball |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | England |
| Mother's Birthplace | Illinois |
| Occupation | Asst Traffic Mgr |
| Industry | Air Transport |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes WW |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 41
Cook-County, Illinois · implied b. ~1899 — 3 household members
| Surname | Ball |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Salesman |
| Industry | Metal Products |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2200 |
| Highest Grade | Hs 2 |
| 1935 Residence | Illinois |
| 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 James Ball across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Minnie Ball (~0.92 confidence) and mother Ermina Ball (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Minnie Ball
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Ermina Ball
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Ball
Head · 1940 · age 41 · b. ~1899 · 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-t0627-00780-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marcia Rheinemann | 12 | Daughter | — | Illinois |
| 2 | Beverly Rheinemann | 7 | Daughter | — | Illinois |
| 3 | Louise Rheinemann | 71 | Mother | — | Germany |
| 4 | John P. Kalter | 48 | Head | Office Clerk | Wisconsin |
| 5 | May Kalter | 47 | Wife | — | Illinois |
| 6 | Marion Kalter | 21 | Daughter | — | Illinois |
| 7 | Fred Knaack | 59 | Head | Tallyman | Illinois |
| 8 | Viola M. Knaack | 52 | Wife | — | Illinois |
| 9 | John E. Greive | 62 | Head | Painter | Illinois |
| 10 | Florence Greive | 45 | Wife | — | Illinois |
| 11 | Robert Greive | 13 | Son | — | Illinois |
| 12 | — | None | — | — | — |
| 13 | William Curnow | 63 | Head | 37 | Wisconsin |
| 14 | Laura Curnow | 66 | Wife | — | Wisconsin |
| 15 | Lewis Perkins | 65 | Head | Furniture Mover | Illinois |
| 16 | Jessie Perkins | 51 | Wife | Stenographer | Ohio |
| 17 | Kate Mcphail | 51 | Sister-in-law | — | Ohio |
| 18 | Milo Hudson | 43 | Housekeeper | Maid | Indiana |
| 19 | Nels Thulin | 51 | Head | — | Sweden |
| 20 | Minnie Thulin | 50 | Daughter | Candy Maker | Germany |
| 21 | Edward Dierness | 39 | Head | Typesetter | Illinois |
| 22 | Pearl Dierness | 36 | Wife | — | Illinois |
| 23 | Dorothea Dierness | 15 | Daughter | — | Illinois |
| 24 | Phillip Dierness | 10 | Son | — | Illinois |
| 25 | Robert Feaster | 42 | Head | Police Officer | Kansas |
| 26 | Ethel Feaster | 34 | Wife | — | Illinois |
| 27 | Haddon Feaster | 13 | Son | — | Illinois |
| 28 | Toby Feaster | 10 | Son | — | Illinois |
| 29 | Alvin Anderson | 50 | Head | Wheat Broker | Illinois |
| 30 | H. Margaret Anderson | 45 | Wife | — | Illinois |
| 31 | Rudolph Christiansen | 50 | Head | Bartender | Illinois |
| 32 | Minnie Christiansen | 48 | Wife | — | Illinois |
| 33 | Charles Christiansen | 25 | Son | Store Clerk | Illinois |
| 34 | June Christiansen | 22 | Daughter-in-law | — | Illinois |
| 35 | Charles Jr. Christiansen | 1 | Grandson | — | Illinois |
| 36 | James Ball THIS PERSON | 41 | Head | Salesman | Illinois |
| 37 | Agnes Ball | 36 | Wife | — | Scotland |
| 38 | James Jr. Ball | 2 | Son | — | Illinois |
| 39 | Bruce Miller | 33 | Head | News Reporter | Illinois |
| 40 | Cecilia Miller | 33 | Wife | — | Illinois |
Pedigree Summary
James
Gen 1 · 2 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)