WF
William Fischer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William Fischer across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 8-person household.
Age 12
b. ~1918
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Fischer |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Frank Fischer | Son | — | 22 | ~1908 |
| Gertrude Fischer | Daughter | — | 15 | ~1915 |
| Dorothy Fischer | Daughter | — | 19 | ~1911 |
| Eugene Fischer | Son | — | 10 | ~1920 |
| William Fischer | Son | — | 12 | ~1918 |
| Mathias Fischer | Son | — | 17 | ~1913 |
| Frank Fischer | Head | — | 48 | ~1882 |
| May Fischer | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fischer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 8 household members
| Surname | Fischer |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| 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 William Fischer across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
William Fischer
Son · 1930 · age 12 · b. ~1918 · Illinois
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Sibling
Mathias Fischer
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Fischer
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Fischer
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Fischer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Fischer
Sibling · 1930 · age 19
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel488:0549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Willi | 42 | Head | Proprietor | Illinois |
| 2 | Rose Willi | 40 | Wife | — | Illinois |
| 3 | Lucy M. Willi | 17 | Daughter | Housework | Illinois |
| 4 | Charles H. Willi | 15 | Son | — | Illinois |
| 5 | John M. Willi | 13 | Son | — | Illinois |
| 6 | Regina Willi | 71 | Mother | — | Germany |
| 7 | Wm Lehto | 39 | Head | Carpenter | Finland |
| 8 | Gertrude Lehto | 26 | Wife | Housework | Finland |
| 9 | Leo Wm Lehto | 5 | Son | — | Michigan |
| 10 | Donald Lehto | 1 | Son | — | Illinois |
| 11 | May Harper | 18 | Boarder | — | Wisconsin |
| 12 | Augusta Miller | 70 | Head | — | Sweden |
| 13 | Hugo Miller | 40 | Son | Laborer | Wisconsin |
| 14 | Harry Miller | 38 | Son | Machinist | Wisconsin |
| 15 | Richard Miller | 12 | Grandson | — | Illinois |
| 16 | Percival Huckins | 62 | Head | Proprietor | Kansas |
| 17 | Frank L. Fischer | 48 | Head | Plumber | Illinois |
| 18 | May E. Fischer | 47 | Wife | — | Illinois |
| 19 | Frank F. Fischer | 22 | Son | Clerk | Illinois |
| 20 | Dorothy B. Fischer | 19 | Daughter | Stenographer | Illinois |
| 21 | Mathias H. Fischer | 17 | Son | — | Illinois |
| 22 | Gertrude A. Fischer | 15 | Daughter | — | Illinois |
| 23 | William A. Fischer THIS PERSON | 12 | Son | — | Illinois |
| 24 | Eugene J. Fischer | 10 | Son | — | Illinois |
| 25 | Amelia Erikson | 48 | Head | — | Sweden |
| 26 | Hans A. Erikson | 28 | Son | Machinist | Sweden |
| 27 | Sven W. Erikson | 21 | Son | Machinist | Sweden |
| 28 | Nels B. Erikson | 15 | Son | — | Sweden |
| 29 | Thor G. Erikson | 13 | Son | — | Sweden |
| 30 | Anna M. Erikson | 26 | Daughter | Housework | Sweden |
| 31 | Elsie E. Erikson | 23 | Daughter | Housework | Sweden |
| 32 | Gustave Schwerting | 44 | Head | Painter | Hungary |
| 33 | Rose Schwerting | 40 | Wife | — | Hungary |
| 34 | Andrew Kuhn | 46 | Head | Bricklayer | Germany |
| 35 | Rose Kuhn | 45 | Wife | — | Germany |
| 36 | Frank Kuhn | 17 | Son | Errand Boy | Illinois |
| 37 | Andrew Jr. Kuhn | 8 | Son | — | Illinois |
| 38 | Edward Manning | 47 | Head | Laborer | Sweden |
| 39 | Amanda Manning | 43 | Wife | — | Sweden |
| 40 | Harry E. Manning | 21 | Son | Bricklayer | Illinois |
| 41 | Ruth Jr. Manning | 20 | Daughter | Stenographer | Illinois |
| 42 | Elvira U. Manning | 14 | Daughter | Typist | Illinois |
| 43 | Robert E. Manning | 7 | Son | — | Illinois |
| 44 | Harry H. Esser | 43 | Head | Proprietor | Germany |
| 45 | Edna Esser | 40 | Wife | — | Ohio |
| 46 | Helene F. Esser | 16 | Daughter | — | Illinois |
| 47 | Robert H. Esser | 14 | Son | — | Illinois |
| 48 | Earl A. Esser | 8 | Son | — | Illinois |
| 49 | Carlyle Esser | 6 | Son | — | Illinois |
| 50 | Frederick W. Paus | 58 | Head | Piano Tuner | Wisconsin |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)