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William Hartman — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mcdonough, Illinois
Our Model Tree links this William Hartman across the 1920, 1930 and 1940 US Censuses in Mcdonough, Illinois (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 5-person household.
Age 49
b. ~1881
Male
Head
Born: Wisconsin
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mcdonough, Illinois |
| Surname | Hartman |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 26 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Doctor |
| Industry | General Practice |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $10,000 |
| Radio Set | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Doctor |
| Township / Ward | Macomb City |
| Est. Birth Year | ~1881 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Hartman | Head | — | 49 | ~1881 |
| Clara Hartman | Spouse | — | 46 | ~1884 |
| William Hartman | Son | — | 14 | ~1916 |
| Bertha Phillipps | Other | — | 23 | ~1907 |
| Dorothy Hartman | Daughter | — | 20 | ~1910 |
Census Appearances
1920
Mcdonough, Illinois
Head, age 39
Mcdonough, Illinois · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| Occupation | Physician |
| Industry | Medical |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Mcdonough, Illinois
Head, age 49
Mcdonough, Illinois · implied b. ~1881 — 5 household members
| Surname | Hartman |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 26 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| Occupation | Doctor |
| Industry | General Practice |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $10,000 |
| Radio Set | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Mcdonough-County, Illinois
Head, age 59
Mcdonough-County, Illinois · implied b. ~1881 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | W. M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Macomb City |
| 1935 Residence (County) | McDonough |
| Occupation | Medical doctor |
| Industry | Private practice |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 32 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 49 · b. ~1881 · 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 — Mcdonough, Illinois
Open full size
1930 US Federal Census — Mcdonough, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel533:0349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie | 52 | Head | — | Illinois |
| 2 | James A. | 21 | Son | — | Illinois |
| 3 | Otto | 61 | Brother | Proprietor | Illinois |
| 4 | Emma Millis | 74 | Mother-in-law | — | Missouri |
| 5 | Beverly Blackstone | 63 | Head | — | Illinois |
| 6 | Maud Blackstone | 51 | Wife | — | Illinois |
| 7 | William M. Hartman THIS PERSON | 49 | Head | Doctor | Wisconsin |
| 8 | Clara D. Hartman | 46 | Wife | — | Wisconsin |
| 9 | Dorothy Hartman | 20 | Daughter | — | Illinois |
| 10 | William F. Hartman | 14 | Son | — | Illinois |
| 11 | Bertha Phillipps | 23 | Servant | Servant | Illinois |
| 12 | Harmon Hamline | 61 | Head | — | Illinois |
| 13 | Stella Hamline | 54 | Wife | — | Illinois |
| 14 | Louise Hamline | 19 | Daughter | — | Illinois |
| 15 | James Hare | 57 | Head | Proprietor | Illinois |
| 16 | Martha Hare | 54 | Wife | — | Illinois |
| 17 | James Bogue | 42 | Head | Proprietor | Illinois |
| 18 | Alta Bogue | 42 | Wife | — | Illinois |
| 19 | Marshall Bogue | 3 | Daughter | — | Illinois |
| 20 | Ray Spicer | 40 | Head | Merchant | Nebraska |
| 21 | Mellia Spicer | 40 | Wife | — | Illinois |
| 22 | Harriet Spicer | 18 | Daughter | — | Illinois |
| 23 | Beulah Spicer | 17 | Daughter | — | Illinois |
| 24 | Hazel Spicer | 14 | Daughter | — | Illinois |
| 25 | John Spicer | 9 | Son | — | Illinois |
| 26 | Frank Spicer | 3 | Son | — | Illinois |
| 27 | Harvey Mccalley | 57 | Head | — | Illinois |
| 28 | Daisy Mccalley | 53 | Wife | — | Illinois |
| 29 | Frank Bursent | 38 | Head | Merchant | Illinois |
| 30 | Susie Bursent | 31 | Wife | Proprietress | Illinois |
| 31 | Ella Bursent | 70 | Mother | — | Illinois |
| 32 | Robert Bursent | 33 | Brother | Salesman | Illinois |
| 33 | James Hamline | 58 | Head | Proprietor | Illinois |
| 34 | Bertha M. Hamline | 57 | Wife | — | Illinois |
| 35 | William Provine | 73 | Head | — | Illinois |
| 36 | Addy Provine | 71 | Wife | — | Illinois |
| 37 | Charles Robinson | 22 | Head | Salesman | Illinois |
| 38 | Florence Robinson | 21 | Wife | — | Illinois |
| 39 | Donald Robinson | 2 | Son | — | Illinois |
| 40 | Carl Herndon | 30 | Head | Bookkeeper | Illinois |
| 41 | Gretel Herndon | 28 | Wife | — | Illinois |
| 42 | Dorothy Herndon | 5 | Daughter | — | Illinois |
| 43 | James Herndon | 3 | Son | — | Illinois |
| 44 | Alvin Keithley | 21 | Roomer | Salesman | Missouri |
| 45 | Albert Ward | 26 | Roomer | Truck Driver | Illinois |
| 46 | Ray Spiker | 35 | Head | Sign Painter | Illinois |
| 47 | Sarah Spiker | 68 | Mother | — | Illinois |
| 48 | Hegar Cogshell | 26 | Head | Seamstress | Illinois |
| 49 | Nedra Cogshell | 6 | Daughter | — | Illinois |
| 50 | Donald Cogshell | 5 | Son | — | 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)