WS
William Schroeder — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William Schroeder across the 1910, 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents William & Charles — first a son (b.~1908), then head of a 3-person household.
Age 22
b. ~1908
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Schroeder |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Tool designer |
| Industry | Electrical Mfg. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Tool Designer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Charles Schroeder | Head | — | 58 | ~1872 |
| Minnie Schroeder | Other | — | 46 | ~1884 |
| William Schroeder | Son | — | 22 | ~1908 |
Census Appearances
1910
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schroeder |
| 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 |
1920
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schroeder |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 22
Cook, Illinois · implied b. ~1908 — 3 household members
| Surname | Schroeder |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Tool designer |
| Industry | Electrical Mfg. |
| 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 32
Cook-County, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schreider |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Supervisor |
| Industry | Mail Order Clothing |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1663 |
| Highest Grade | 8 |
| 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 Schroeder across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Schroeder (~0.92 confidence) and father Charles Schroeder (~0.92 confidence) and father Louis Schroeder (~0.92 confidence) and mother Katherine Schroeder (~0.92 confidence) and mother Anna Schroeder (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Schroeder
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Charles Schroeder
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Louis Schroeder
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Katherine Schroeder
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Anna Schroeder
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Schroeder
Son · 1930 · age 22 · b. ~1908 · Illinois
★ You are viewing this record
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:illinoiscensus00reel481:0560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry E. Greene | 55 | Head | Machinist | Illinois |
| 52 | Bertha K. Greene | 45 | Wife-H | Matron | New York |
| 53 | Dorothy E. Greene | 18 | Daughter | — | Illinois |
| 54 | Ernest F. Greene | 14 | Son | — | Illinois |
| 55 | Mabel Adams | 38 | Boarder | Housework | Illinois |
| 56 | John Adams | 17 | Boarder | Caddy | Wisconsin |
| 57 | Helen M. Bonder | 67 | Head | — | Illinois |
| 58 | William Linn | 19 | Boarder | Mail Carrier | Illinois |
| 59 | Marie Twinquist | 57 | Head | Maid | Illinois |
| 60 | Betty Kramer | 81 | Mother | — | Norway |
| 61 | Arthur Ewert | 45 | Foster Brother | Loader | Illinois |
| 62 | Walter Harlin | 32 | Head | Electrician | Illinois |
| 63 | Marie Harlin | 31 | Wife-H | — | Illinois |
| 64 | Justine Harlin | 7 | Son | — | Illinois |
| 65 | Lois E. Harlin | 3 | Daughter | — | Illinois |
| 66 | Mildred Puzol | 25 | Sister-in-law | Typist | Illinois |
| 67 | Frank Landers | 43 | Lodger | Salesman | Indiana |
| 68 | Charles A. Racine | 44 | Lodger | Asst. Office Clerk | Illinois |
| 69 | William C. Dohde | 55 | Head | Chief Engineer | Illinois |
| 70 | Lillian M. Dohde | 54 | Wife-H | — | Illinois |
| 71 | Lorraine M. Dohde | 21 | Daughter | — | Illinois |
| 72 | Charles H. Dohde | 16 | Son | — | Illinois |
| 73 | Anthony Russell | 52 | Head | Motorman | Michigan |
| 74 | Almira Russell | 52 | Wife-H | — | Canada French |
| 75 | Edna Russell | 24 | Daughter | Stenographer | Michigan |
| 76 | Alice Russell | 22 | Daughter | Collection Clerk | Michigan |
| 77 | Arnold Russell | 19 | Son | — | Michigan |
| 78 | Lenora Russell | 14 | Daughter | — | Illinois |
| 79 | Harry H. Whiteley | 46 | Head | Salesman | Wisconsin |
| 80 | Mabel Whiteley | 44 | Wife-H | — | Illinois |
| 81 | Robert E. Whiteley | 19 | Son | — | Illinois |
| 82 | Ruth A. Whiteley | 16 | Daughter | — | Illinois |
| 83 | Thomas Hozlinke | 57 | Head | Wood Finisher | Germany |
| 84 | Elise Hozlinke | 49 | Wife-H | — | Germany |
| 85 | Edward Hozlinke | 24 | Son | Cook | Illinois |
| 86 | Alice Hozlinke | 17 | Daughter | Cashier | Illinois |
| 87 | Lillian Hozlinke | 12 | Daughter | — | Illinois |
| 88 | Arthur Hozlinke | 11 | Son | — | Illinois |
| 89 | Lawrence Kowalki | 41 | Son-in-law | Furniture Seller | Poland |
| 90 | Charlotte Kowalki | 29 | Daughter | Machine Operator | Illinois |
| 91 | Mildred Kowalki | 1 | Granddaughter | — | Illinois |
| 92 | Charles E. Schroeder | 58 | Head | Salesman | Illinois |
| 93 | Minnie Schroeder | 46 | Wife-H | Saleswoman | Illinois |
| 94 | William E. Schroeder THIS PERSON | 22 | Son | Tool Designer | Illinois |
| 95 | William George | 48 | Head | Retail Salesman | Greece |
| 96 | Anna George | 35 | Wife-H | — | Greece |
| 97 | Peter George | 10 | Son | — | Iowa |
| 98 | Gust George | 6 | Son | — | Illinois |
| 99 | Tom George | 6 | Son | — | Illinois |
| 100 | — | None | — | — | — |
Pedigree Summary
William
Gen 1 · 5 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)