WS
William Schaefer — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William Schaefer across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Marion & Richard — first a son (b.~1907), then head of a 10-person household.
Age 23
b. ~1907
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Schaefer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | conductor |
| Industry | street car lines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Conductor |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1907 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Harold Schaefer | Son | — | 10 | ~1920 |
| Bernice Schaefer | Daughter | — | 20 | ~1910 |
| Emma Schaefer | Other | — | 39 | ~1891 |
| Violet Schaefer | Daughter | — | 2 | ~1928 |
| Edwin Schaefer | Son | — | 6 | ~1924 |
| Florence Schaefer | Daughter | — | 16 | ~1914 |
| William Schaefer | Son | — | 23 | ~1907 |
| Marion Lagoniski | Head | — | 50 | ~1880 |
| William Schaefer | Other | — | 47 | ~1883 |
| Effie Beard | Other | — | 48 | ~1882 |
Census Appearances
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schaefer |
| Given Name | William |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1907 — 10 household members
| Surname | Schaefer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | conductor |
| Industry | street car lines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 33
Cook-County, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schafer |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1716 |
| Highest Grade | H-4 |
| 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 William Schaefer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Marion Lagoniski (~0.92 confidence) and father Richard Schaefer (~0.92 confidence) and mother Marie Schaefer (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Marion Lagoniski
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Richard Schaefer
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Marie Schaefer
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schaefer
Son · 1930 · age 23 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
Florence Schaefer
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Schaefer
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Schaefer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Schaefer
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Schaefer
Sibling · 1930 · age 6
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:illinoiscensus00reel480:1029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rudolph Grosse | 38 | Head | Painter | Illinois |
| 2 | Rosalind Grosse | 33 | Wife-H | None | Virginia |
| 3 | Annie Steiner | 50 | Boarder | Housework | Sweden |
| 4 | Donald Swenson | 20 | Head | Assembler | Illinois |
| 5 | Mary Swenson | 22 | Wife-H | Sales Lady | Illinois |
| 6 | Anna Swenson | 55 | Mother | Operator | Illinois |
| 7 | Joseph Lantzen | 58 | Head | Interior Dec. | Illinois |
| 8 | Herbert Lantzen | 20 | Son | Secretary | Illinois |
| 9 | Marion Lagoniski | 50 | Head | Electrician | Illinois |
| 10 | Effie Beard | 48 | House keeper | House Keeper | Ohio |
| 11 | William Schaefer | 47 | plumbing supplies | Salesman | Illinois |
| 12 | Emma Schaefer | 39 | Wife-H | None | Illinois |
| 13 | William Schaefer THIS PERSON | 23 | Son | Conductor | Illinois |
| 14 | Bernice Schaefer | 20 | Daughter | None | Illinois |
| 15 | Florence Schaefer | 16 | Daughter | Stone Setter | Illinois |
| 16 | Harold Schaefer | 10 | Son | None | Illinois |
| 17 | Edwin Schaefer | 6 | Son | None | Illinois |
| 18 | Violet Schaefer | 2 | Daughter | None | Illinois |
| 19 | Joseph Casquette | 42 | Head | Salesman | Canada-French |
| 20 | Eva Casquette | 39 | Wife-H | None | Illinois |
| 21 | Clarence Casquette | 18 | Son | Messenger Boy | Illinois |
| 22 | Maybelle Casquette | 17 | Daughter | Filing Clerk | Illinois |
| 23 | Raymond Casquette | 16 | Son | None | Illinois |
| 24 | Melvin Casquette | 14 | Son | None | Illinois |
| 25 | Ruth Casquette | 10 | Daughter | None | Illinois |
| 26 | Arthur Leska | 33 | Head | Truck Driver | Illinois |
| 27 | Dorothy Leska | 31 | Wife-H | None | Illinois |
| 28 | Elaine Leska | 12 | Daughter | None | Illinois |
| 29 | La Verne Leska | 9 | Daughter | None | Illinois |
| 30 | Dorothy Leska | 8 | Daughter | None | Illinois |
| 31 | June Leska | 2 | Daughter | None | Illinois |
| 32 | Darlene Leska | 0 | Daughter | None | Illinois |
| 33 | Marie Gries | 33 | mother-in-law | Operator | Illinois |
| 34 | Frances Gries | 28 | sister-in-law | Supervisor | Illinois |
| 35 | Henry Hauk | 46 | Head | Clerk | Illinois |
| 36 | Celine Hauk | 44 | Wife-H | None | Illinois |
| 37 | Clarence Hauk | 17 | Son | None | Illinois |
| 38 | Achille Bourgeois | 69 | father-in-law | None | Canada-French |
| 39 | Jack Bednack | 32 | Head | Cashier | New York |
| 40 | Mildred Bednack | 31 | Wife-H | None | Illinois |
| 41 | Gerald Bednack | 3 | Son | None | Illinois |
| 42 | Joseph Rarf | 63 | Head | Salesman | Pennsylvania |
| 43 | Thora Rarf | 52 | Wife-H | None | Denmark |
| 44 | Eleanor Rarf | 21 | Daughter | Secretary | Illinois |
| 45 | Josephine Rarf | 11 | Daughter | None | Illinois |
| 46 | William Buetter | 32 | Head | Salesman | Illinois |
| 47 | Marguerite Buetter | 32 | Wife-H | None | Illinois |
| 48 | James Buetter | 4 | Son | None | Illinois |
| 49 | Arthur Lundin | 48 | Head | Salesman | Wisconsin |
| 50 | Lundin | None | — | — | — |
Pedigree Summary
William + 5 siblings
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 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)