WF
William Frey — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William Frey across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Carl & Charles — first a head (b.~1897), then head of a 3-person household.
Age 33
b. ~1897
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Frey |
| Given Name | William G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Yes |
| Industry | Butcher |
| Class of Worker | Grocery store |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Blue Island City |
| Est. Birth Year | ~1897 |
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 |
|---|---|---|---|---|
| William Frey | Head | — | 33 | ~1897 |
| William Frey | Son | — | 3 | ~1927 |
| Martha Frey | Other | — | 34 | ~1896 |
Census Appearances
1910
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frey |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| 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
Head, age 33
Cook, Illinois · implied b. ~1897 — 3 household members
| Surname | Frey |
| Given Name | William G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Yes |
| Industry | Butcher |
| Class of Worker | Grocery store |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| 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 Frey across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Carl Frey (~0.92 confidence) and father Charles Frey (~0.60 confidence) and mother Augusta Frey (~0.60 confidence) and mother Augusta Frey (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Father
Carl Frey
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Charles Frey
b. ~1885
Source father
● Household
· direct · ~0.6
Mother
Augusta Frey
b. ~1888
Source mother
● Household
· direct · ~0.6
Mother
Augusta Frey
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Frey
Head · 1930 · age 33 · b. ~1897 · 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:illinoiscensus00reel415:0796)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | August Schumann | 50 | Head | — | Germany |
| 52 | Emma Schumann | 72 | Wife-H | None | Germany |
| 53 | Albert Unruh | 41 | Son-in-law | Salesman | Illinois |
| 54 | Ella Unruh | 34 | Daughter | None | Illinois |
| 55 | Albert Unruh | 10 | Grandson | None | Illinois |
| 56 | Grace Unruh | 7 | Granddaughter | None | Illinois |
| 57 | Wilbert Ruedel | 30 | Head | Counter | Illinois |
| 58 | Alma Ruedel | 30 | Wife-H | None | Illinois |
| 59 | Virginia Ruedel | 5 | Daughter | None | Illinois |
| 60 | James Hoyt | 39 | Head | Salesman | Illinois |
| 61 | Gertrude Hoyt | 34 | Wife-H | None | Illinois |
| 62 | Jerry Hoyt | 11 | Son | None | Illinois |
| 63 | Betty Hoyt | 7 | Daughter | None | Illinois |
| 64 | Frank Dusha | 44 | Head | Janitor | Czechoslovakia |
| 65 | Sophie Dusha | 38 | Wife-H | None | Czechoslovakia |
| 66 | William Dusha | 19 | Son | None | Illinois |
| 67 | Vada Dusha | 9 | Daughter | None | Illinois |
| 68 | Josephine Dusha | 8 | Daughter | None | Illinois |
| 69 | Alphonse Dusha | 3 | Son | None | Illinois |
| 70 | Melvin Dusha | 2 | Son | None | Illinois |
| 71 | Alvin Dusha | 0 | Son | None | Illinois |
| 72 | Milford Vrick | 26 | Head | Switchman | Illinois |
| 73 | Esther Vrick | 26 | Wife-H | None | Illinois |
| 74 | Amber M. Vrick | 3 | Daughter | None | Illinois |
| 75 | John J. Daly | 43 | Head | Brakeman | Missouri |
| 76 | Eva Daly | 30 | Wife-H | None | Kentucky |
| 77 | Josephine Livingston | 28 | Daughter | Clerk | Kentucky |
| 78 | Thomas Livingston | 10 | Nephew | None | Illinois |
| 79 | Mary J. Livingston | 9 | Niece | None | Illinois |
| 80 | John W. Snyder | 44 | Head | Proprietor | Illinois |
| 81 | John Snyder | 18 | Son | None | Illinois |
| 82 | Edward Snyder | 14 | Son | None | Illinois |
| 83 | Ralph Snyder | 12 | Son | None | Illinois |
| 84 | Charles Snyder | 10 | Son | None | Illinois |
| 85 | Frances Marie Snyder | 29 | Daughter | None | Illinois |
| 86 | Henry Baumann | 70 | Head | None | Germany |
| 87 | Freda Baumann | 72 | Wife-H | None | Germany |
| 88 | William G. Frey THIS PERSON | 33 | Head | Yes | Illinois |
| 89 | Martha Frey | 34 | Wife-H | None | Illinois |
| 90 | William Jr. Frey | 3 | Son | None | Illinois |
| 91 | Carl Meyer | 38 | Head | Fireman | Minnesota |
| 92 | Clara Meyer | 32 | Wife-H | None | Illinois |
| 93 | Henry Solton | 51 | Head | Laborer | Illinois |
| 94 | Bertha Solton | 52 | Wife-H | None | Illinois |
| 95 | Mabel Solton | 20 | Daughter | None | Illinois |
| 96 | David Solton | 18 | Son | None | Illinois |
| 97 | James Fulton | 40 | Head | Laborer | Illinois |
| 98 | Bertha Fulton | 46 | Wife-H | None | Illinois |
| 99 | Lois Fulton | 20 | Daughter | Clerk | Illinois |
| 100 | Elva Fulton | 16 | Daughter | None | Illinois |
Pedigree Summary
William
Gen 1 · 4 parents
~0.76
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)