GD
George Duncan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fremont-County, Colorado
Our Model Tree links this George Duncan across the 1910, 1920, 1930 and 1940 US Censuses in Fremont-County, Colorado (XGBoost, ~Confirmed), with identified parents Frank & June — first a head (b.~1893), then head of a 5-person household.
Age 47
b. ~1893
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fremont-County, Colorado |
| Surname | Duncan |
| Given Name | George S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | South Canon City City |
| 1935 Residence (County) | Fremont |
| Additional Details | |
| Hours Worked | 56 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | South Canon City City |
| Est. Birth Year | ~1893 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| Juanita Duncan | Spouse | — | 36 | ~1904 |
| S Duncan | Son | — | 18 | ~1922 |
| George Duncan | Head | — | 47 | ~1893 |
| Thelma Duncan | Daughter | — | 21 | ~1919 |
| A Duncan | Son | — | 12 | ~1928 |
Census Appearances
1910
Fremont, Colorado
Son, age 17
Fremont, Colorado · implied b. ~1893 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | George |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1920
Fremont, Colorado
Head, age 27
Fremont, Colorado · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | George S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Meat cutter |
| Industry | Butcher shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Fremont, Colorado
Head, age 36
Fremont, Colorado · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | George S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 23 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Retail Merchant |
| Industry | Furniture store |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Fremont-County, Colorado
Head, age 47
Fremont-County, Colorado · implied b. ~1893 — 5 household members
| Surname | Duncan |
| Given Name | George S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | South Canon City City |
| 1935 Residence (County) | Fremont |
| Hours Worked | 56 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 George Duncan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Duncan (~0.92 confidence) and mother June Duncan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Duncan
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
June Duncan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Duncan
Head · 1940 · age 47 · b. ~1893 · Colorado
★ 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 — Fremont-County, Colorado
Open full size
1940 US Federal Census — Fremont-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00463-00277)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harvey W. Boldt | 57 | Head | Truck Driver | Iowa |
| 2 | Nova Mae Boldt | 52 | Wife | — | Colorado |
| 3 | Alfred W. Stedman | 70 | Head | — | Maine |
| 4 | Mary L. Stedman | 66 | Wife | — | Minnesota |
| 5 | Hattie J. Mcarthur | 65 | Head | — | Tennessee |
| 6 | Lucius Polk | 68 | Head | Machinist | Illinois |
| 7 | Bertie E. Polk | 60 | Wife | — | Illinois |
| 8 | Madalin Sullivan | 37 | Daughter | House Cleaner | Illinois |
| 9 | Lila L. Whiting | 10 | Grand-daughter | — | Missouri |
| 10 | George S. Duncan THIS PERSON | 47 | Head | — | Missouri |
| 11 | Juanita L. Duncan | 36 | Wife | — | Oklahoma |
| 12 | Thelma O. Duncan | 21 | Daughter | — | Colorado |
| 13 | S. Allen Duncan | 18 | Son | — | Colorado |
| 14 | A. Rex Duncan | 12 | Son | — | Colorado |
| 15 | Susie E. Duncan | 65 | Head | — | Missouri |
| 17 | Math D. Grahek | 54 | Head | Coal Mine Superintendent | Yugoslavia |
| 18 | Frances Grahek | 49 | Wife | — | Yugoslavia |
| 19 | Arlene C. Grahek | 17 | Daughter | — | Colorado |
| 20 | Orlena D. Griffin | 58 | Head | — | Colorado |
| 21 | L. Benjamin Griffin | 23 | Son | Labor | Colorado |
| 22 | Richard J. Wahlert | 26 | Lodger | Labor | Iowa |
| 23 | William W. Wilson | 43 | Head | Inside Mechanic | Tennessee |
| 24 | Sally Wilson | 39 | Wife | — | Kentucky |
| 25 | J. Homer Wilson | 15 | Son | — | Kentucky |
| 26 | Vernon R. Wilson | 6 | Son | — | Colorado |
| 27 | Billie Wilson | 4 | Son | — | Colorado |
| 28 | Lewis E. Becker | 47 | Head | Guard | Colorado |
| 29 | Olive O. Becker | 45 | Wife | — | Iowa |
| 30 | Vonda O. Becker | 19 | Daughter | Stenographer | Colorado |
| 31 | Lewis E. Becker | 12 | Son | — | Colorado |
| 32 | William J. Morgan | 48 | Head | Electric Lamp Man | England |
| 33 | Carrie M. Morgan | 42 | Wife | — | Colorado |
| 34 | Shirley D. Morgan | 12 | Daughter | — | Colorado |
| 35 | Ruth E. Morgan | 10 | Daughter | — | Colorado |
| 36 | David J. Morgan | 8 | Son | — | Colorado |
| 37 | T. Everett Corte | 29 | Head | Owner Operator | Oklahoma |
| 38 | Louise E. Corte | 31 | Wife | — | Colorado |
| 39 | Shirley L. Corte | 7 | Daughter | — | Colorado |
| 40 | Thomas Everett Corte | 5 | Son | — | Colorado |
Pedigree Summary
George
Gen 1 · 2 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)