CD
Charles Duncan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Okfuskee-County, Oklahoma
Our Model Tree links this Charles Duncan across the 1920, 1930 and 1940 US Censuses in Okfuskee-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Frank & Mary — first a head (b.~1899), then head of a 8-person household.
Age 41
b. ~1899
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Okfuskee-County, Oklahoma |
| Surname | Duncan |
| Given Name | Charles A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | East half of Township 11 Range 9 |
| 1935 Residence (County) | Okfuskee |
| Additional Details | |
| Occupation | Pumper |
| Industry | Oil Field |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Pumper |
| Township / Ward | East Half Of Township 11 Range 9 |
| Est. Birth Year | ~1899 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles Duncan | Head | — | 41 | ~1899 |
| Elmer Duncan | Son | — | 4 | ~1936 |
| Homer Duncan | Son | — | 8 | ~1932 |
| Jimmie Duncan | Son | — | 1 | ~1939 |
| Frank Duncan | Son | — | 15 | ~1925 |
| Betty Duncan | Daughter | — | 12 | ~1928 |
| Myrtle Duncan | Spouse | — | 40 | ~1900 |
| Raymond Duncan | Son | — | 17 | ~1923 |
Census Appearances
1920
Okfuskee, Oklahoma
Son, age 21
Okfuskee, Oklahoma · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Charley |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Okfuskee, Oklahoma
Head, age 31
Okfuskee, Oklahoma · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Chas A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | Pumper |
| Industry | Oil fields |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Okfuskee-County, Oklahoma
Head, age 41
Okfuskee-County, Oklahoma · implied b. ~1899 — 8 household members
| Surname | Duncan |
| Given Name | Charles A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | East half of Township 11 Range 9 |
| 1935 Residence (County) | Okfuskee |
| Occupation | Pumper |
| Industry | Oil Field |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | No 7 |
| 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 Charles Duncan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Duncan (~0.92 confidence) and mother Mary Duncan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Duncan
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Mary Duncan
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Duncan
Head · 1940 · age 41 · b. ~1899 · Oklahoma
★ 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 — Okfuskee-County, Oklahoma
Open full size
1940 US Federal Census — Okfuskee-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03316-00451)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bobby Lee | 1 | Son | — | Oklahoma |
| 42 | Reynold Lee | 0 | Son | — | Oklahoma |
| 43 | Benjamin Jack Nebb | 42 | Head | Lease Foreman | Oklahoma |
| 44 | Marjorie Ruth Nebb | 35 | Wife | — | Oklahoma |
| 45 | Don Ellis Nebb | 11 | Son | — | Oklahoma |
| 46 | G. W. Dotson | 47 | Head | Farmer | Arkansas |
| 47 | Lillian Dotson | 45 | Wife | — | Arkansas |
| 48 | William Dotson | 20 | Son | Farmer | Oklahoma |
| 49 | Elva Lee Dotson | 17 | Daughter | — | Oklahoma |
| 50 | Athadean Dotson | 13 | Daughter | — | Oklahoma |
| 51 | Robert Smith | 19 | Head | Farmer | Oklahoma |
| 52 | Charles A. Duncan THIS PERSON | 41 | Head | Pumper | Missouri |
| 53 | Myrtle Duncan | 40 | Wife | — | Oklahoma |
| 54 | Raymond Lee Duncan | 17 | Son | — | Oklahoma |
| 55 | Frank Harold Duncan | 15 | Son | — | Oklahoma |
| 56 | Betty Louise Duncan | 12 | Daughter | — | Oklahoma |
| 57 | Homer Lee Duncan | 8 | Son | — | Oklahoma |
| 58 | Elmer Dean Duncan | 4 | Son | — | Oklahoma |
| 59 | Jimmie Leon Duncan | 1 | Son | — | Oklahoma |
| 60 | H. J. Dotson | 80 | Head | Farmer | Tennessee |
| 61 | M. J. Dotson | 67 | Wife | — | Texas |
| 62 | M. L. Dotson | 12 | Grand daughter | — | Oklahoma |
| 63 | William O. Kinsey | 47 | Head | Superintendent | Arkansas |
| 64 | Adelphia Kinsey | 18 | Daughter | — | Oklahoma |
| 65 | Martha Jean Kinsey | 14 | Daughter | — | Oklahoma |
| 66 | Donald Dean Kinsey | 14 | Son | — | Oklahoma |
| 67 | Anna Christine Kinsey | 12 | Daughter | — | Oklahoma |
| 68 | Anna Christine Kinsey | 8 | Daughter | — | Oklahoma |
| 69 | Nancy May Kinsey | 6 | Daughter | — | Oklahoma |
| 70 | Ural V. Frickey | 50 | Head | Stationary Operator Gasoline Plant | Arkansas |
| 71 | Doris Frickey | 17 | Daughter | — | Oklahoma |
| 72 | Charles Frickey | 15 | Son | — | Oklahoma |
| 73 | Emmett Smith | 45 | Head | Engineer | Missouri |
| 74 | Inez Smith | 35 | Wife | — | Arkansas |
| 75 | George Mellington | 48 | Head | Pumper | Kansas |
| 76 | Maggie Mellington | 48 | Wife | — | Kansas |
| 77 | Velma Mellington | 21 | Daughter | New Worker | Kansas |
| 78 | Albert Mellington | 18 | Son | New Worker | Kansas |
| 79 | Dale Mellington | 16 | Son | — | Kansas |
| 80 | Lyle Mellington | 14 | Son | — | Kansas |
Pedigree Summary
Charles
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)