CD
Charles Duncan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Stevens-County, Minnesota
Our Model Tree links this Charles Duncan across the 1920, 1930 and 1940 US Censuses in Stevens-County, Minnesota (XGBoost, ~Confirmed), with identified parents Walter & Walter — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Stevens-County, Minnesota |
| Surname | Duncan |
| Given Name | Charles G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Moore township |
| 1935 Residence (County) | Stevens |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 36 |
| Income (1939) | 52 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Moore Township |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Duncan | Head | — | 30 | ~1910 |
| Raymond Duncan | Son | — | 1 | ~1939 |
| Ronald Duncan | Son | — | 4 | ~1936 |
| Agnes Duncan | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Stevens, Minnesota
Son, age 10
Stevens, Minnesota · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Charles |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Stevens, Minnesota
Son, age 20
Stevens, Minnesota · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Stevens-County, Minnesota
Head, age 30
Stevens-County, Minnesota · implied b. ~1910 — 4 household members
| Surname | Duncan |
| Given Name | Charles G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Moore township |
| 1935 Residence (County) | Stevens |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 36 |
| Income (1939) | 52 |
| 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 Charles Duncan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Duncan (~0.92 confidence) and father Walter Duncan (~0.60 confidence) and mother Nellie Duncan (~0.60 confidence) and mother Nellie Duncan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Father
Walter Duncan
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Walter Duncan
b. ~1898
Source father
● Household
· direct · ~0.6
Mother
Nellie Duncan
b. ~1900
Source mother
● Household
· direct · ~0.6
Mother
Nellie Duncan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Duncan
Head · 1940 · age 30 · b. ~1910 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Stevens-County, Minnesota
Open full size
1940 US Federal Census — Stevens-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01962-00735)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles G. Duncan THIS PERSON | 30 | Head | Farmer | Minnesota |
| 2 | Agnes Duncan | 29 | Wife | — | Colorado |
| 3 | Ronald Duncan | 4 | Son | — | Minnesota |
| 4 | Raymond Duncan | 1 | Son | — | Minnesota |
| 5 | Edward O. Razink | 39 | Head | Farmer | Minnesota |
| 6 | Anna Razink | 33 | Wife | — | Pennsylvania |
| 7 | Francis Razink | 13 | Son | — | Minnesota |
| 8 | Patricia Razink | 12 | Daughter | — | Minnesota |
| 9 | Lorraine Razink | 8 | Son | — | Minnesota |
| 10 | Delores Razink | 6 | Daughter | — | Minnesota |
| 11 | Yvonne Razink | 4 | Daughter | — | Minnesota |
| 12 | Carl Anderson | 32 | Hired hand | Farm Laborer | North Dakota |
| 13 | Arthur Peterson | 43 | Head | Farmer | Minnesota |
| 14 | Selena Peterson | 42 | Wife | — | Iowa |
| 15 | Helen Peterson | 12 | Daughter | — | Minnesota |
| 16 | John Tuskee | 35 | Head | Farmer | Minnesota |
| 17 | Daisy Tuskee | 37 | Wife | — | Minnesota |
| 18 | Loyd Beebe | 20 | Hired hand | Farm Laborer | Minnesota |
| 19 | Louis Boone | 32 | Head | Farmer | Netherlands |
| 20 | Selma Boone | 43 | Wife | — | Nebraska |
| 21 | Severne Boone | 20 | Son | — | Minnesota |
| 22 | Adolph Boone | 18 | Son | Carpentering | Minnesota |
| 23 | John Boone | 14 | Son | — | Minnesota |
| 24 | Raymond Boone | 13 | Son | — | Minnesota |
| 25 | Bettie Boone | 11 | Daughter | — | Minnesota |
| 26 | Richard Boone | 22 | Nephew | Farm Laborer | Minnesota |
| 27 | Otto Griener | 26 | Head | Farmer | Minnesota |
| 28 | Rose Griener | 19 | Wife | — | Minnesota |
| 29 | Gordon Griener | 1 | Son | — | Minnesota |
| 30 | Emil Griener | 25 | Brother | Farmer | Minnesota |
| 31 | August Griener | 66 | Father | — | Germany |
| 32 | Carry Griener | 60 | Mother | — | Germany |
| 33 | William Griener | 38 | Head | Farmer | Minnesota |
| 34 | Donald Griener | 27 | Brother | Farmer | Minnesota |
| 35 | Charles Griener | 25 | Brother | Farmer | Minnesota |
| 36 | Phyllis Griener | 22 | Daughter | — | Minnesota |
| 37 | Alva Olson | 21 | House Keeper | Housekeeper | Minnesota |
| 38 | William Zettwanger | 44 | Head | Farmer | Illinois |
| 39 | Lillian Zettwanger | 43 | Wife | — | Illinois |
| 40 | Lillian Zettwanger | 20 | Daughter | — | Minnesota |
Pedigree Summary
Charles
Gen 1 · 4 parents
~0.76
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)