WW
William William — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William William across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 4-person household.
Age 31
b. ~1899
Male
Head
Born: Wales
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | William |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 24 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Occupation | Plasterer |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 33 |
| Veteran | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Occupation | Plasterer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1899 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Edward William | Son | — | 10 | ~1920 |
| William William | Son | — | 6 | ~1924 |
| Margaret William | Spouse | — | 34 | ~1896 |
| William William | Head | — | 31 | ~1899 |
Census Appearances
1930
Cook, Illinois
Head, age 31
Cook, Illinois · implied b. ~1899 — 4 household members
| Surname | William |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 24 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Plasterer |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 33 |
| Veteran | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Cook-County, Illinois
Head, age 41
Cook-County, Illinois · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Evanston City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | janitor |
| Industry | apt building |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 740 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William William
Head · 1930 · age 31 · b. ~1899 · 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:illinoiscensus00reel460:0457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Luther Montgomery | 32 | Head | Barber | New York |
| 52 | Rose Montgomery | 32 | Wife | Manager | Illinois |
| 53 | William Hurley | 32 | Head | Painter | Illinois |
| 54 | Elizabeth Hurley | 23 | Wife | None | Indiana |
| 55 | Gerald Hurley | 23 | Son | Painter | Illinois |
| 56 | Waldo Hurley | 20 | Son | Bookkeeper | Illinois |
| 57 | Ruth Hurley | 19 | Daughter | Stenographer | Illinois |
| 58 | Rita Hurley | 18 | Daughter | None | Illinois |
| 59 | Alice Hurley | 17 | Daughter | None | Illinois |
| 60 | Charles Lang | 36 | Head | Salesman | Ohio |
| 61 | Minnie Lang | 36 | Wife | None | Illinois |
| 62 | Claud Cantrall | 40 | Head | Machinist | Illinois |
| 63 | Ruth Cantrall | 23 | Wife | None | Illinois |
| 64 | Blanche Cantrall | 13 | Daughter | None | Illinois |
| 65 | Harry Cantrall | 10 | Son | None | Illinois |
| 66 | George Cantrall | 5 | Son | None | Illinois |
| 67 | Ethel Cantrall | 3 | Son | None | Illinois |
| 68 | Idelene Bird | 36 | Head | Operator | Illinois |
| 69 | Charlotte Bird | 17 | Daughter | Operator | Illinois |
| 70 | Celeste Bird | 11 | Daughter | None | Illinois |
| 71 | Guy Sarcino | 20 | Head | Salesman | Illinois |
| 72 | William Sarcino | 15 | Son | None | Illinois |
| 73 | Ida Macklin | 72 | Head | None | Ohio |
| 74 | Ada Macklin | 42 | Daughter | Stenographer | Ohio |
| 75 | James Macklin | 38 | Son | Conductor | Ohio |
| 76 | Anna Hilton | 35 | Boarder | Operator | Illinois |
| 77 | Thomas Smith | 40 | Boarder | Shoe Salesman | Illinois |
| 78 | Alice Herman | 43 | Head | Stenographer | Illinois |
| 79 | Alice Herman | 11 | Daughter | None | Illinois |
| 80 | Frank Herman | 9 | Son | None | Illinois |
| 81 | John Gilles | 35 | Head | Salesman | New York |
| 82 | Mary Gilles | 35 | Wife | None | Illinois |
| 83 | Helen Gilles | 16 | Daughter | None | Illinois |
| 84 | Harry Gilles | 14 | Son | None | Illinois |
| 85 | John Gilles | 12 | Son | None | Illinois |
| 86 | Raymond Gilles | 10 | Son | None | Illinois |
| 87 | George Gilles | 8 | Son | None | Illinois |
| 88 | Ruth Gilles | 4 | Daughter | None | Illinois |
| 89 | Mabel Gilles | 2 | Daughter | None | Illinois |
| 90 | Catherine Gannon | 34 | Sister-in-law | Stenographer | Illinois |
| 91 | William William THIS PERSON | 31 | Head | Plasterer | Wales |
| 92 | Margaret William | 34 | Wife | None | Wales |
| 93 | Edward William | 10 | Son | None | Michigan |
| 94 | William William | 6 | Son | None | Illinois |
| 95 | John Mcinerney | 49 | Head | Motorman | Irish Free State |
| 96 | Jane Mcinerney | 37 | Wife | None | Irish Free State |
| 97 | Cunningham Mcinerney | 16 | Daughter | None | Illinois |
| 98 | Alice Mcinerney | 12 | Daughter | None | Illinois |
| 99 | Jane Mcinerney | 10 | Daughter | None | Illinois |
| 100 | Mary Mcinerney | 8 | Daughter | None | Illinois |
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)