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Mary Baldwin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Champaign, Illinois
Our Model Tree links this Mary Baldwin across the 1910, 1920 and 1930 US Censuses in Champaign, Illinois (XGBoost, ~Confirmed) — first a head (b.~1852), then head of a 3-person household.
Age 78
b. ~1852
Female
Head
Born: Indiana
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Champaign, Illinois |
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | Proprietor |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Proprietor |
| Township / Ward | Stanton Township |
| Est. Birth Year | ~1852 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Baldwin | Head | — | 78 | ~1852 |
| Patsy Roland | Other | — | 81 | ~1849 |
| Ray Baldwin | Son | — | 48 | ~1882 |
Census Appearances
1910
Champaign, Illinois
Spouse, age 57
Champaign, Illinois · implied b. ~1853 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| Years Married | 40 |
| Children Born | 9 |
| Children Living | 7 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Champaign, Illinois
Head, age 68
Champaign, Illinois · implied b. ~1852 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | Gen. farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Champaign, Illinois
Head, age 78
Champaign, Illinois · implied b. ~1852 — 3 household members
| Surname | Baldwin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Proprietor |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mary Baldwin across 3 US Census years (1910, 1920 and 1930) in Champaign, Illinois, using XGBoost record linkage.
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This person
Anchor record
Mary Baldwin
Head · 1930 · age 78 · b. ~1852 · 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 — Champaign, Illinois
Open full size
1930 US Federal Census — Champaign, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel410:0221)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis J. Koss | 39 | Head | Farmer | Illinois |
| 2 | Altha M. Koss | 32 | Wife | — | Illinois |
| 3 | Stuart S. Black | 61 | Head | Farmer | Illinois |
| 4 | Garnie Black | 56 | Wife | — | Kentucky |
| 5 | Mary Baldwin THIS PERSON | 78 | Head | Proprietor | Indiana |
| 6 | Ray C. Baldwin | 48 | Son | Laborer | Illinois |
| 7 | Patsy Roland | 81 | Boarder | — | Indiana |
| 8 | Charles J. Gady | 35 | Head | Farmer | Illinois |
| 9 | Martha A. Gady | 34 | Wife | — | Illinois |
| 10 | Wilbur W. Gady | 11 | Son | — | Illinois |
| 11 | Seth T. Evans | 45 | Head | Laborer | Illinois |
| 12 | Nancy E. Evans | 43 | Wife | — | Illinois |
| 13 | Franklin R. Evans | 17 | Son | Laborer | Illinois |
| 14 | Clifford C. Evans | 15 | Son | — | Illinois |
| 15 | Samuel E. Evans | 14 | Son | — | Illinois |
| 16 | Robert W. Evans | 8 | Son | — | Illinois |
| 17 | William R. Prestin | 53 | R | Farmer | Illinois |
| 18 | Alice J. Prestin | 42 | Wife | — | Missouri |
| 19 | Helen A. Prestin | 51 | Sister | — | Illinois |
| 20 | Charles F. Reigstock | 27 | Head | Farmer | Illinois |
| 21 | Selma E. Reigstock | 24 | Wife | — | Illinois |
| 22 | Melvin Reigstock | 4 | Son | — | Illinois |
| 23 | Fred J. Nopptz | 55 | Head | Farmer | Illinois |
| 24 | Rina Nopptz | 52 | Wife | — | Illinois |
| 25 | Carl A. Nopptz | 29 | Son | Laborer | Illinois |
| 26 | Dora M. Nopptz | 18 | Daughter | — | Illinois |
| 27 | Olga E. Nopptz | 16 | Daughter | — | Illinois |
| 28 | Dora M. Nopptz | 14 | Daughter | — | Illinois |
| 29 | Irene C. Nopptz | 9 | Daughter | — | Illinois |
| 30 | Charles J. Nopptz | 50 | Head | Farmer | Illinois |
| 31 | Jessie B. Nopptz | 43 | Wife | — | Illinois |
| 32 | George F. Nopptz | 21 | Son | Laborer | Illinois |
| 33 | Gladys M. Nopptz | 17 | Daughter | — | Illinois |
| 34 | Charles E. Nopptz | 16 | Son | — | Illinois |
| 35 | Mae B. Nopptz | 13 | Daughter | — | Illinois |
| 36 | Earl Lewis | 26 | Head | Laborer | Illinois |
| 37 | Grace M. Lewis | 25 | Wife | — | Illinois |
| 38 | Thelma D. Lewis | 5 | Daughter | — | Illinois |
| 39 | Loretta F. Lewis | 1 | Daughter | — | Illinois |
| 40 | Henry D. Jackson | 24 | Head | Laborer | Kentucky |
| 41 | Ola F. Jackson | 21 | Wife | — | Kentucky |
| 42 | Margaret F. Jackson | 3 | Daughter | — | Kentucky |
| 43 | Charles L. Schroeder | 41 | Head | Farmer | Illinois |
| 44 | Laura F. Schroeder | 37 | Wife | — | Illinois |
| 45 | Ruth E. Schroeder | 13 | Daughter | — | Illinois |
| 46 | Pauline C. Schroeder | 6 | Daughter | — | Illinois |
| 47 | Wilbur E. Schroeder | 3 | Son | — | Illinois |
| 48 | Albert H. Eckendorf | 46 | Head | Farmer | Illinois |
| 49 | Ida Eckendorf | 43 | Wife | — | Illinois |
| 50 | Alfred H. Eckendorf | 17 | 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)