JG
John Gustafson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fresno-County, California
Our Model Tree links this John Gustafson across the 1930 and 1940 US Censuses in Fresno-County, California (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fresno-County, California |
| Surname | Gustafson |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Sixth Judicial Township |
| 1935 Residence (County) | Fresno |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Sixth Judicial Township |
| Est. Birth Year | ~1927 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Edna Gustafson | Daughter | — | 24 | ~1916 |
| Martin Gustafson | Son | — | 20 | ~1920 |
| Ernest Gustafson | Head | — | 54 | ~1886 |
| John Gustafson | Son | — | 13 | ~1927 |
| Arthur Gustafson | Son | — | 18 | ~1922 |
| Hilma Gustafson | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Fresno, California
Son, age 3
Fresno, California · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gustafson |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Fresno-County, California
Son, age 13
Fresno-County, California · implied b. ~1927 — 6 household members
| Surname | Gustafson |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Sixth Judicial Township |
| 1935 Residence (County) | Fresno |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Gustafson
Son · 1940 · age 13 · b. ~1927 · California
★ You are viewing this record
Sibling
Martin Gustafson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Gustafson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Gustafson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Fresno-County, California
Open full size
1940 US Federal Census — Fresno-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00204-00134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James R. Turner | 20 | son | Drafter | California |
| 42 | David M. Turner | 18 | son | None | California |
| 43 | Marguerite Turner | 16 | daughter | — | California |
| 44 | Herbert Lillyer | 27 | head | Farmer | Utah |
| 45 | Mabel Lillyer | 27 | wife | — | California |
| 46 | Frank Lillyer | 6 | son | — | California |
| 47 | Hazel Lillyer | 3 | daughter | — | California |
| 48 | Elizabeth Lillyer | 2 | daughter | — | California |
| 49 | Arthur P. Elliott | 65 | head | Farmer | England |
| 50 | Frank Elliott | 70 | brother | None | England |
| 51 | Ralston Brown | 45 | head | Farmer | California |
| 52 | Vera Brown | 44 | wife | — | California |
| 53 | Milton Brown | 21 | son | Attendant | California |
| 54 | Dorothy Brown | 20 | daughter | New Worker | California |
| 55 | William Lueck | 59 | head | Farmer | Georgia |
| 56 | Metilla Lueck | 55 | wife | General Work | Georgia |
| 57 | James Lueck | 22 | son | Laborer | California |
| 58 | Lewis Lueck | 19 | son | None | California |
| 59 | Virgil Lueck | 16 | son | None | California |
| 60 | Daniel Lueck | 14 | son | None | California |
| 61 | Clarence E. Cowan | 44 | head | Farmer | Missouri |
| 62 | Grace B. Cowan | 41 | wife | — | California |
| 63 | Jane A. Cowan | 14 | daughter | — | California |
| 64 | Verna W. Cowan | 14 | son | — | California |
| 65 | Conrad Lealman | 41 | head | Laborer | Russia |
| 66 | Marie Lealman | 32 | wife | — | Russia |
| 67 | Ernest L. Gustafson | 54 | head | Farmer | Sweden |
| 68 | Hilma Gustafson | 49 | wife | — | Sweden |
| 69 | Edna Gustafson | 24 | daughter | Nurse | California |
| 70 | Martin Gustafson | 20 | son | Laborer | California |
| 71 | Arthur Gustafson | 18 | son | None | California |
| 72 | John Gustafson THIS PERSON | 13 | son | — | California |
| 73 | Henry Mullan | 65 | head | Farmer | Kansas |
| 74 | Martin N. Shafer | 46 | head | Farmer | Kansas |
| 75 | Sylvia Shafer | 46 | wife | — | Oregon |
| 76 | Calvin Shafer | 20 | son | Laborer | California |
| 77 | Harold Shafer | 16 | son | Laborer | California |
| 78 | Rosetta Shafer | 14 | daughter | — | California |
| 79 | Louis Shafer | 12 | son | — | California |
| 80 | Betty Mae Shafer | 7 | daughter | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)