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William Carlson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Minnesota
Our Model Tree links this William Carlson across the 1930 and 1940 US Censuses in Washington-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Minnesota |
| Surname | Carlson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Baytown Twp |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Baytown Twp |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Donald Carlson | Son | — | 10 | ~1930 |
| Marie Carlson | Daughter | — | 8 | ~1932 |
| Robert Carlson | Son | — | 17 | ~1923 |
| John Carlson | Son | — | 22 | ~1918 |
| Harriet Carlson | Daughter | — | 13 | ~1927 |
| Lee Carlson | Head | — | 45 | ~1895 |
| William Carlson | Son | — | 15 | ~1925 |
| Matilda Carlson | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Washington, Minnesota
Son, age 5
Washington, Minnesota · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Washington-County, Minnesota
Son, age 15
Washington-County, Minnesota · implied b. ~1925 — 8 household members
| Surname | Carlson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Baytown Twp |
| 1935 Residence (County) | Washington |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Carlson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Carlson
Son · 1940 · age 15 · b. ~1925 · Minnesota
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Sibling
Donald Carlson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Carlson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Carlson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Carlson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Carlson
Sibling · 1940 · age 13
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 — Washington-County, Minnesota
Open full size
1940 US Federal Census — Washington-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01967-00113)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Axel Anderson | 50 | Head | Cupola Man | Illinois |
| 2 | Frances Anderson | 37 | Wife | — | Minnesota |
| 3 | Eugene Anderson | 14 | Son | — | Minnesota |
| 4 | Julia Ann Anderson | 12 | Daughter | — | Minnesota |
| 5 | Lee Carlson | 45 | Head | Guard | Minnesota |
| 6 | Matilda Carlson | 41 | Wife | — | Wisconsin |
| 7 | John Carlson | 22 | Son | — | Wisconsin |
| 8 | Robert Carlson | 17 | Son | — | Minnesota |
| 9 | William Carlson THIS PERSON | 15 | Son | — | Minnesota |
| 10 | Harriet Carlson | 13 | Daughter | — | Minnesota |
| 11 | Donald Carlson | 10 | Son | — | Minnesota |
| 12 | Marie Carlson | 8 | Daughter | — | Minnesota |
| 13 | Wm Summer | 70 | Head | Farmer | Indiana |
| 14 | Julia Summer | 70 | Wife | — | Germany |
| 15 | Pearl Dornfeld | 36 | Head | Finisher | Minnesota |
| 16 | Louise Dornfeld | 27 | Wife | — | Minnesota |
| 17 | Earl Jun Dornfeld | 6 | Son | — | Minnesota |
| 18 | Mary Lou Dornfeld | 3 | Daughter | — | Minnesota |
| 19 | Elmer Kroening | 46 | Head | Sawyer | Minnesota |
| 20 | Florence Kroening | 36 | Wife | — | Minnesota |
| 21 | Geraldine Kroening | 17 | Daughter | House Work | Minnesota |
| 22 | Catherine Kroening | 16 | Daughter | House Work | Minnesota |
| 23 | Jane Kroening | 13 | Daughter | — | Minnesota |
| 24 | Wm Kroening | 1 | Grandson | — | Minnesota |
| 25 | Mary Richert | 62 | Head | — | Minnesota |
| 26 | Marvin Richert | 20 | Son | Salesman | Minnesota |
| 27 | Otto Tuenge | 49 | Head | Foreman | Minnesota |
| 28 | Elizabeth Tuenge | 49 | Wife | — | New York |
| 29 | Caroline Tuenge | 19 | Daughter | — | Minnesota |
| 30 | Stanley Tuenge | 18 | Son | Finisher | Minnesota |
| 31 | Reuben W Anderson | 47 | Head | Guard | Minnesota |
| 32 | Mary Anderson | 89 | Mother | — | Minnesota |
| 33 | John Paulen | 39 | Head | Cutter | Minnesota |
| 34 | Helen Paulen | 16 | Daughter | — | Minnesota |
| 35 | Richard Paulen | 18 | Son | — | Minnesota |
| 36 | Howard Paulen | 20 | Son | Glass Cutter | Minnesota |
| 37 | Mary Lou Paulen | 3 | Daughter | — | Minnesota |
| 38 | Arvid Wellman | 48 | Head | Glass Cutter | Minnesota |
| 39 | Anna Jane Wellman | 19 | Daughter | — | Minnesota |
| 40 | Arvid Jun Wellman | 21 | Son | Molder | Minnesota |
Related Census Records
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)