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William Hartman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Will, Illinois
Our Model Tree links this William Hartman across the 1920, 1930 and 1940 US Censuses in Will, Illinois (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 3-person household.
Age 71
b. ~1859
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Will, Illinois |
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Germany (Hessen) |
| Mother's Birthplace | Germany (Hessen) |
| Additional Details | |
| Occupation | Retail Merchant |
| Industry | Gen. Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15,000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Retail Merchant |
| Township / Ward | Crete Village |
| Est. Birth Year | ~1859 |
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 |
|---|---|---|---|---|
| Leroy Hartman | Son | — | 30 | ~1900 |
| Mary Hartman | Spouse | — | 63 | ~1867 |
| William Hartman | Head | — | 71 | ~1859 |
Census Appearances
1920
Will, Illinois
Head, age 63
Will, Illinois · implied b. ~1857 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartmann |
| Given Name | William C. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Hessen Ger |
| Mother's Birthplace | Hessen Ger |
| Occupation | retired merchant |
| Industry | grocery store |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Will, Illinois
Head, age 71
Will, Illinois · implied b. ~1859 — 3 household members
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 71 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Germany (Hessen) |
| Mother's Birthplace | Germany (Hessen) |
| Occupation | Retail Merchant |
| Industry | Gen. Store |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15,000 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Will-County, Illinois
Head, age 82
Will-County, Illinois · implied b. ~1858 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartmann |
| Given Name | William C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 82 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Village of Crete |
| 1935 Residence (County) | Will |
| Industry | U |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| 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 Hartman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Hartman
Head · 1930 · age 71 · b. ~1859 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Will, Illinois
Open full size
1930 US Federal Census — Will, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel567:0825)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred B. Rohe | 55 | Head | Realtor | Illinois |
| 2 | Estelle Rohe | 27 | Daughter | None | Illinois |
| 3 | Edmond Welch | 54 | Head | Plumber | New York |
| 4 | Alice Welch | 44 | Wife | None | Illinois |
| 5 | John Welch | 21 | Son | Apprentice Plumber | Illinois |
| 6 | Mary Welch | 10 | Daughter | None | Illinois |
| 7 | Henry Nadler | 38 | Head | Assembler | Germany (Hanover) |
| 8 | Barbara Nadler | 25 | Wife | None | Germany (Bavaria) |
| 9 | Fred Wickening | 65 | Head | Realtor | Germany (Hessen) |
| 10 | Barbara Wickening | 60 | Wife | None | Germany (Bavaria) |
| 11 | Herbert Wickening | 31 | Son | Insurance Clerk | Illinois |
| 12 | Arthur Wickening | 26 | Son | Clerk | Illinois |
| 13 | Waldemar Wickening | 22 | Son | None | Illinois |
| 14 | Marcella Wickening | 20 | Daughter | None | Illinois |
| 15 | Mathilda Suter | 52 | Sister-in-law | None | Illinois |
| 16 | Wald Olsen | 40 | Head | Garage Mechanic | Denmark |
| 17 | August Hartman | 70 | Head | None | Illinois |
| 18 | Emma Hartman | 59 | Wife | None | Germany (Hessen) |
| 19 | Elsie Hartman | 27 | Daughter | Stenographer | Illinois |
| 20 | Harrison Mcbride | 25 | Head | Mechanic | Indiana |
| 21 | Erna Mcbride | 22 | Wife | Typist | Illinois |
| 22 | George Mussman | 39 | Head | Undertaker | Illinois |
| 23 | Helen Mussman | 35 | Wife | None | Illinois |
| 24 | Gerald Mussman | 10 | Son | None | Illinois |
| 25 | Robert Mussman | 3 | Son | None | Illinois |
| 26 | William Hartman THIS PERSON | 71 | Head | Retail Merchant | Illinois |
| 27 | Mary Hartman | 63 | Wife | None | Illinois |
| 28 | Leroy Hartman | 30 | Son | Bookkeeper | Ill |
| 29 | Helen Petersen | 37 | Head | None | Ill |
| 30 | Norma Jean Petersen | 5 | Daughter | None | Ill |
| 31 | Burtis Schroeder | 46 | Head | Truck Driver | Illinois |
| 32 | Emily Schroeder | 44 | Wife | None | Indiana |
| 33 | Henry Schroeder | 22 | Son | Farm Hand | Illinois |
| 34 | William Schroeder | 20 | Son | Farm Hand | Illinois |
| 35 | Elsie Schroeder | 17 | Daughter | Housework | Illinois |
| 36 | Ruby Schroeder | 16 | Daughter | Housework | Illinois |
| 37 | Herbert Schroeder | 11 | Son | None | Illinois |
| 38 | Edgar Schroeder | 8 | Son | None | Illinois |
| 39 | Robert F. Wiehe | 42 | Head | Sales Engineer | Missouri |
| 40 | Marguerite Wiehe | 41 | Wife | None | Illinois |
| 41 | Kenneth Wiehe | 14 | Son | None | Illinois |
| 42 | Robert Wiehe | 10 | Son | None | Illinois |
| 43 | William Wiehe | 2 | Son | None | Illinois |
| 44 | Herman Dursun | 57 | Head | Blacksmith | Ill |
| 45 | Emma Dursun | 55 | Wife | None | Ill |
| 46 | Margaret Waden | 67 | Head | None | Illinois |
| 47 | Gladys Waden | 21 | Daughter | Stenographer | New York |
| 48 | William Rohe | 69 | Head | President | Illinois |
| 49 | Elizabeth Rohe | 67 | Wife | None | Indiana |
| 50 | Emma Struckmeyer | 70 | Head | None | Germany (Prussia) |
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)