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Mary Ball — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Ball across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 4-person household.
Age 39
b. ~1881
Female
Spouse
Born: Germany
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Ball |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Germany |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Chicago |
| Est. Birth Year | ~1881 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Augusta Ball | Daughter | — | 11 | ~1909 |
| Frank Ball | Head | — | 43 | ~1877 |
| Frank Ball | Son | — | 3 | ~1917 |
| Mary Ball | Spouse | — | 39 | ~1881 |
Census Appearances
1920
Cook, Illinois
Spouse, age 39
Cook, Illinois · implied b. ~1881 — 4 household members
| Surname | Ball |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Germany |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1930
Cook, Illinois
Head, age 50
Cook, Illinois · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bill |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Cook-County, Illinois
Head, age 56
Cook-County, Illinois · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bill |
| Given Name | Marie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Demonstrator |
| Industry | Grocery Industry |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 80 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Mary Ball across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Ball
Spouse · 1920 · age 39 · b. ~1881 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu335unit:0299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Fred Peters | 60 | Head | Machine Helper | Germany |
| 52 | Mary Peters | 57 | Wife | — | Germany |
| 53 | Helen Peters | 15 | daughter | Binder | Chicago Ill |
| 54 | Lucy Peters | 12 | daughter | — | Chicago Ill |
| 55 | Freda Peters | 10 | daughter | Clerk | Chicago Ill |
| 56 | George Dillon | 30 | Head | None | Chicago Ill |
| 57 | Meta Dillon | 32 | Wife | Hand-Sewer | Chicago Ill |
| 58 | John Mancelle | 24 | Head | None | Chicago Ill |
| 59 | Mary Mancelle | 25 | Wife | None | Chicago Ill |
| 60 | John Jr Mancelle | 4 | son | None | Chicago Ill |
| 61 | Jenny Mancelle | 2 | daughter | None | Chicago Ill |
| 62 | James Mancelle | 0 | son | None | Chicago Ill |
| 63 | Mary Bautel | 60 | Head | Waitress | Austria |
| 64 | John C Bautel | 8 | grandson | None | Connecticut |
| 65 | Minnie W Bautel | 7 | granddaughter | None | Chicago Ill |
| 66 | Fred Rhode | 50 | Head | Shipping | Germany |
| 67 | Hulda Rhode | 40 | Wife | None | Germany |
| 68 | Harry Rhode | 16 | son | File Clerk | Chicago Ill |
| 69 | Harvey Rhode | 15 | son | Errand Boy | Chicago Ill |
| 70 | Lawrence Rhode | 12 | son | None | Chicago Ill |
| 71 | Frances Rhode | 10 | daughter | None | Chicago Ill |
| 72 | Carroll Rhode | 2 | son | None | Chicago Ill |
| 73 | Augusta Tinnecke | 70 | Mother-in-law | Laundress | Germany |
| 74 | Gust Bazar | 55 | Head | Laborer | Hungary |
| 75 | Frances Bazar | 54 | Wife | — | Hungary |
| 76 | Mikel Warbel | 31 | Head | Foreman | Germany |
| 77 | Martha Warbel | 26 | Wife | None | Chicago Ill |
| 78 | Edward Warbel | 4 | son | None | Chicago Ill |
| 79 | Norman Warbel | 2 | son | None | Chicago Ill |
| 80 | Joseph Worbel | 64 | Head | Laborer | Germany |
| 81 | Anna Worbel | 62 | Wife | None | Germany |
| 82 | Anton Worbel | 29 | son | Conductor | Germany |
| 83 | John Worbel | 24 | son | None | Germany |
| 84 | Jack Worbel | 23 | son | None | Germany |
| 85 | Anna Worbel | 19 | daughter | None | Germany |
| 86 | Charles Gilman | 29 | Head | Bench Work | Chicago Ill |
| 87 | Agnes Gilman | 27 | Wife | None | Chicago Ill |
| 88 | Edward Gilman | 2 | son | None | Chicago Ill |
| 89 | Charles Jr Gilman | 1 | son | None | Chicago Ill |
| 90 | Carl Bergquist | 50 | Head | Automobile | Sweden |
| 91 | Anna Bergquist | 50 | Wife | Department Head | Sweden |
| 92 | Casper Bergquist | 23 | son | Accountant | Chicago Ill |
| 93 | Ruth Bergquist | 17 | daughter | None | Chicago Ill |
| 94 | Frank Ball | 43 | Head | Carpenter | Chicago Ill |
| 95 | Mary Ball THIS PERSON | 39 | Wife | None | Germany |
| 96 | Augusta Ball | 11 | daughter | None | Chicago Ill |
| 97 | Frank Jr Ball | 3 | son | None | Chicago Ill |
| 98 | Albert Manthey | 43 | Head | Electrician | Germany |
| 99 | Bertha Manthey | 37 | Wife | None | Germany |
| 100 | Gertrude Manthey | 12 | daughter | None | Chicago Ill |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)