WC
William Carlson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kittson-County, Minnesota
Our Model Tree links this William Carlson across the 1930 and 1940 US Censuses in Kittson-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kittson-County, Minnesota |
| Surname | Carlson |
| Given Name | William L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Granville Township |
| 1935 Residence (County) | Kittson |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Granville Township |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Carl Carlson | Head | — | 43 | ~1897 |
| William Carlson | Son | — | 10 | ~1930 |
| D Carlson | Son | — | 11 | ~1929 |
| Duane Carlson | Son | — | 3 | ~1937 |
| Doreen Carlson | Daughter | — | 8 | ~1932 |
| Gerald Carlson | Son | — | 1 | ~1939 |
| Ardelle Carlson | Daughter | — | 14 | ~1926 |
| Virginia Carlson | Daughter | — | 13 | ~1927 |
| Helvie Carlson | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Kittson, Minnesota
Son, age
Kittson, Minnesota · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Kittson-County, Minnesota
Son, age 10
Kittson-County, Minnesota · implied b. ~1930 — 9 household members
| Surname | Carlson |
| Given Name | William L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Granville Township |
| 1935 Residence (County) | Kittson |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| 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 10 · b. ~1930 · Minnesota
★ You are viewing this record
Sibling
Virginia Carlson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ardelle Carlson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doreen Carlson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
D Carlson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Duane Carlson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Carlson
Sibling · 1940 · age 1
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 — Kittson-County, Minnesota
Open full size
1940 US Federal Census — Kittson-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01931-00072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John V Howieson | 3 | son | — | Minnesota |
| 2 | Ruth M Howieson | 2 | daughter | — | Minnesota |
| 3 | Charles E Howieson | 0 | son | — | Minnesota |
| 4 | Juanita R Mowers | 20 | Housekeeper | Housekeeper | North Dakota |
| 5 | Lawrence R Boychuk | 33 | Head | Farmer | Canada-English |
| 6 | Dora Boychuk | 33 | wife | — | Canada-English |
| 7 | Jane R Boychuk | 6 | daughter | — | Minnesota |
| 8 | Dorothy M Boychuk | 4 | daughter | — | Minnesota |
| 9 | Sonia A Boychuk | 1 | daughter | — | Minnesota |
| 10 | Raymond J Quinn | 41 | Head | Farmer | Iowa |
| 11 | Ruth Quinn | 31 | wife | — | Minnesota |
| 12 | Robert D Quinn | 7 | son | — | Minnesota |
| 13 | Gale H Quinn | 4 | son | — | Minnesota |
| 14 | Allen R Quinn | 3 | son | — | Minnesota |
| 15 | Beverly J Quinn | 1 | daughter | — | Minnesota |
| 16 | Dick L Kile | 18 | laborer | Laborer | Minnesota |
| 17 | Gilbert R Beckman | 52 | Head | Farmer | Minnesota |
| 18 | Anna M Beckman | 52 | wife | — | Minnesota |
| 19 | Anton A. B. Peterson | 48 | Head | Farmer | Minnesota |
| 20 | Myrtle F Peterson | 37 | wife | — | Minnesota |
| 21 | Maitland S Peterson | 17 | son | Laborer | Minnesota |
| 22 | Florence H Peterson | 16 | daughter | — | Minnesota |
| 23 | Delores A Peterson | 10 | daughter | — | Minnesota |
| 24 | Myron A Peterson | 8 | son | — | Minnesota |
| 25 | Arlyce J Peterson | 2 | daughter | — | Minnesota |
| 26 | Marlene A Peterson | 0 | daughter | — | Minnesota |
| 27 | Carl O Carlson | 43 | Head | Farmer | Minnesota |
| 28 | Helvie C Carlson | 39 | wife | — | Minnesota |
| 29 | Ardelle M Carlson | 14 | daughter | — | Minnesota |
| 30 | Virginia L Carlson | 13 | daughter | — | Minnesota |
| 31 | D. Leon C Carlson | 11 | son | — | Minnesota |
| 32 | William L Carlson THIS PERSON | 10 | son | — | Minnesota |
| 33 | Doreen M Carlson | 8 | daughter | — | Minnesota |
| 34 | Duane D Carlson | 3 | son | — | Minnesota |
| 35 | Gerald D Carlson | 1 | son | — | Minnesota |
| 36 | Carl E. O. Christopherson | 31 | Head | Farmer | Minnesota |
| 37 | Frida Christopherson | 28 | wife | — | Minnesota |
| 38 | Charles D Christopherson | 11 | son | — | Minnesota |
| 39 | Arden M Christopherson | 5 | son | — | Minnesota |
| 40 | Olof M Stenmark | 71 | Head | Farmer | Sweden |
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)