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John Gustafson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mercer, Illinois
Our Model Tree links this John Gustafson across the 1920 and 1930 US Censuses in Mercer, Illinois (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 7-person household.
Age 51
b. ~1879
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, Illinois |
| Surname | Gustafson |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 40 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Ohio Grove Twp |
| Est. Birth Year | ~1879 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Gustafson | Son | — | 2 | ~1928 |
| Ernest Gustafson | Son | — | 6 | ~1924 |
| Jennie Gustafson | Other | — | 40 | ~1890 |
| Raymond Gustafson | Son | — | 8 | ~1922 |
| John Gustafson | Head | — | 51 | ~1879 |
| Lloyd Gustafson | Son | — | 10 | ~1920 |
| Robert Gustafson | Son | — | 4 | ~1926 |
Census Appearances
1920
Mercer, Illinois
Head, age 41
Mercer, Illinois · implied b. ~1879 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gustafson |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mercer, Illinois
Head, age 51
Mercer, Illinois · implied b. ~1879 — 7 household members
| Surname | Gustafson |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 40 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 John Gustafson across 2 US Census years (1920 and 1930) in Mercer, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Gustafson
Head · 1930 · age 51 · b. ~1879 · 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 — Mercer, Illinois
Open full size
1930 US Federal Census — Mercer, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel539:0440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Glen D Longley | 42 | Head | Farmer | Illinois |
| 2 | Mary S Longley | 43 | Wife-H | — | Ohio |
| 3 | Luke H Longley | 18 | Son | Farm Laborer | Illinois |
| 4 | Alice G Longley | 17 | Daughter | — | Illinois |
| 5 | Ruth Longley | 12 | Daughter | — | Illinois |
| 6 | Harry Tenant | 23 | Boarder | — | Missouri |
| 7 | Harry Decan | 64 | Head | Section Manager | Illinois |
| 8 | Martha M Decan | 64 | Wife-H | — | Ohio |
| 9 | John W Gustafson THIS PERSON | 51 | Head | Farmer | Illinois |
| 10 | Jennie H Gustafson | 40 | Wife-H | — | Sweden |
| 11 | Lloyd G Gustafson | 10 | Son | — | Illinois |
| 12 | Raymond S Gustafson | 8 | Son | — | Illinois |
| 13 | Ernest Gustafson | 6 | Son | — | Illinois |
| 14 | Robert Gustafson | 4 | Son | — | Illinois |
| 15 | John Gustafson | 2 | Son | — | Illinois |
| 16 | Frank B Shorts | 47 | Head | Farmer | Illinois |
| 17 | Margaret Shorts | 42 | Wife-H | — | Iowa |
| 18 | John Taylor | 35 | Head | Farmer | Illinois |
| 19 | Minnie Taylor | 32 | Wife-H | — | Illinois |
| 20 | John Taylor | 11 | Son | — | Illinois |
| 21 | Robert Taylor | 10 | Son | — | Illinois |
| 22 | Richard Taylor | 8 | Son | — | Illinois |
| 23 | James Taylor | 2 | Son | — | Illinois |
| 24 | William Taylor | 1 | Son | — | Illinois |
| 25 | James A Johnson | 56 | Head | Farmer | Sweden |
| 26 | Jennie C Johnson | 50 | Wife-H | — | Sweden |
| 27 | Mildred Johnson | 27 | Son | Truck Driver | Illinois |
| 28 | Evelyn Johnson | 24 | Son | Attendant | Illinois |
| 29 | Stephen L Mcknight | 65 | Head | Farmer | Illinois |
| 30 | Sarah H Mcknight | 66 | Wife-H | — | Illinois |
| 31 | Christine Mcknight | 52 | Sister | — | Illinois |
| 32 | Frank Mcclellan | 30 | Head | Farmer | Illinois |
| 33 | Mary L Mcclellan | 27 | Wife-H | — | Illinois |
| 34 | Mildred S Mcclellan | 2 | Daughter | — | Illinois |
| 35 | William Mcclellan | 1 | Son | — | Illinois |
| 36 | Hermit Fleming | 19 | Laborer | Farm Laborer | Indiana |
| 37 | John Lewis | 59 | Head | Farmer | Illinois |
| 38 | Martha O Lewis | 50 | Wife-H | — | Illinois |
| 39 | Walter D Speer | 74 | Head | Farmer | Illinois |
| 40 | Agnes S Speer | 73 | Wife-H | — | New York |
| 41 | Edna D Speer | 43 | Daughter | — | Illinois |
| 42 | Fred L Mcknight | 40 | Head | Farmer | Illinois |
| 43 | Edna L Mcknight | 37 | Wife-H | — | Illinois |
| 44 | Irene Mcknight | 16 | Daughter | — | Illinois |
| 45 | June Mcknight | 14 | Daughter | — | Illinois |
| 46 | Robert Mcknight | 11 | Son | — | Illinois |
| 47 | Clarence Mcknight | 9 | Son | — | Illinois |
| 48 | Dorothy Mcknight | 7 | Daughter | — | Illinois |
| 49 | Delmar Mcknight | 5 | Son | — | Illinois |
| 50 | James P Mcknight | 71 | Head | Farmer | 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)