WD
William Dunn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this William Dunn across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Margaret & William — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Art Supplies |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 345 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Dunn | Daughter | — | 19 | ~1921 |
| Marlys Dunn | Daughter | — | 14 | ~1926 |
| William Dunn | Head | — | 48 | ~1892 |
| William Dunn | Son | — | 21 | ~1919 |
| Florence Dunn | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Hennepin, Minnesota
Son, age 1
Hennepin, Minnesota · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Canada |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 11
Hennepin, Minnesota · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Son, age 21
Hennepin-County, Minnesota · implied b. ~1919 — 5 household members
| Surname | Dunn |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Occupation | Laborer |
| Industry | Art Supplies |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 345 |
| Highest Grade | Hs 4 |
| 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 Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Dunn (~0.92 confidence) and father William Dunn (~0.92 confidence) and mother Florence Dunn (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Dunn
b. ~1856
Source mother
● Household
· direct · ~0.92
Father
William Dunn
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Florence Dunn
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Dunn
Son · 1940 · age 21 · b. ~1919 · Minnesota
★ You are viewing this record
Sibling
Marlys Dunn
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Dunn
Sibling · 1940 · age 19
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01975-00299)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Halvorson | 38 | Son | Laborer | Minnesota |
| 2 | Andrew Halvorson | 33 | Son | Trucker | Minnesota |
| 3 | Emil Wickman | 49 | Head | Sheet Metal Worker | Minnesota |
| 4 | Mamie Wickman | 48 | Wife | — | Sweden |
| 5 | Albert Wickman | 25 | Son | Sheet Metal Helper | Minnesota |
| 6 | Gerald Wickman | 23 | Son | Helper | Minnesota |
| 7 | Iris Wickman | 16 | Daughter | — | Minnesota |
| 8 | Frank Kozlowski | 46 | Head | Upholsterer | Poland |
| 9 | Valeria Kozlowski | 32 | Wife | Waitress | Poland |
| 10 | Stanley Kozlowski | 11 | Son | — | Minnesota |
| 11 | Marion Sobleski | 70 | Lodger | — | Poland |
| 12 | Adah Threiner | 53 | Head | — | Minnesota |
| 13 | Julius Schwartz | 69 | Lodger | — | Hungary |
| 14 | William Dunn | 48 | Head | Mail Carrier | Minnesota |
| 15 | Florence Dunn | 43 | Wife | — | Minnesota |
| 16 | William Dunn THIS PERSON | 21 | Son | Laborer | Minnesota |
| 17 | Dorothy Dunn | 19 | Daughter | New Worker | Minnesota |
| 18 | Marlys Dunn | 14 | Daughter | — | Minnesota |
| 19 | Victor Skowronski | 46 | Head | Bar Tender | Poland |
| 20 | Julia Skowronski | 40 | Wife | Waitress | Poland |
| 21 | John Skowronski | 16 | Son | — | Minnesota |
| 22 | Robert Skowronski | 11 | Son | — | Minnesota |
| 23 | Florence Skowronski | 9 | Daughter | — | Minnesota |
| 24 | Alfred Nelson | 59 | Head | Jeweler | Minnesota |
| 25 | Alfreda Nelson | 51 | Wife | — | Minnesota |
| 26 | Ann Murdle | 58 | Head | — | Minnesota |
| 27 | John Pawlak | 54 | Head | Barber | Ukrania |
| 28 | Pauline Pawlak | 53 | Wife | — | Ukrania |
| 29 | Herbert H. Steele | 46 | Head | Body Builder | England |
| 30 | Jane Steele | 45 | Wife | — | England |
| 31 | Evelyn A. Steele | 19 | Daughter | — | Minnesota |
| 32 | Dorothy Steele | 16 | Daughter | — | Minnesota |
| 33 | Carl G. Nelson | 69 | Head | Field Audit | Illinois |
| 34 | Anna B. Nelson | 53 | Wife | — | Iowa |
| 35 | Leonard E. Nelson | 29 | Son | Musician | Minnesota |
| 36 | Joseph Jeska | 52 | Head | Machinist | Minnesota |
| 37 | Julia Jeska | 56 | Wife | — | Minnesota |
| 38 | Edward Jeska | 22 | Son | Sheet Metal Work | Minnesota |
| 39 | Rose Jeska | 20 | Daughter | Packer | Minnesota |
| 40 | Joseph Jr. Jeska | 13 | Son | — | Minnesota |
Pedigree Summary
William + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)