JC
James Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Woodson-County, Kansas
Our Model Tree links this James Cooper across the 1920, 1930 and 1940 US Censuses in Woodson-County, Kansas (XGBoost, ~Confirmed), with identified parents Martha & W — first a son (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodson-County, Kansas |
| Surname | Cooper |
| Given Name | James M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Perry Twp |
| 1935 Residence (County) | Woodson |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farm Laborer |
| Township / Ward | Perry Twp |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| William Cooper | Head | — | 67 | ~1873 |
| James Cooper | Son | — | 26 | ~1914 |
| Martha Cooper | Spouse | — | 68 | ~1872 |
Census Appearances
1920
Woodson, Kansas
Son, age 6
Woodson, Kansas · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Woodson, Kansas
Son, age 16
Woodson, Kansas · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Woodson-County, Kansas
Son, age 26
Woodson-County, Kansas · implied b. ~1914 — 3 household members
| Surname | Cooper |
| Given Name | James M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Perry Twp |
| 1935 Residence (County) | Woodson |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 James Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Martha Cooper (~0.92 confidence) and father W Cooper (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Martha Cooper
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
W Cooper
b. ~1873
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Cooper
Son · 1940 · age 26 · b. ~1914 · Kansas
★ 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 — Woodson-County, Kansas
Open full size
1940 US Federal Census — Woodson-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01266-00140)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Darlene Lullen | 12 | Daughter | — | Kansas |
| 2 | Bonnie Lullen | 7 | Daughter | — | Kansas |
| 3 | Wallace Zeigler | 59 | Head | Farmer | Nebraska |
| 4 | Teresa Zeigler | 53 | Wife | — | Illinois |
| 5 | Leo Zeigler | 30 | Son | Farm Laborer | Kansas |
| 6 | James Zeigler | 26 | Son | Farm Laborer | Kansas |
| 7 | Alonzo Zeigler | 32 | Head | Farm Laborer | Kansas |
| 8 | Mae Zeigler | 28 | Wife | — | Kansas |
| 9 | Ilda Mae Zeigler | 11 | Daughter | — | Kansas |
| 10 | Eldo Alonzo Zeigler | 7 | Son | — | Kansas |
| 11 | Edward F. Zeigler | 5 | Son | — | Kansas |
| 12 | E. L. Ladd | 49 | Head | Farmer | Kansas |
| 13 | Alta M. Ladd | 48 | Wife | — | Kansas |
| 14 | Warren Ladd | 19 | Son | Farm Laborer | Kansas |
| 15 | Floyd Ladd | 15 | Son | — | Kansas |
| 16 | Bennett Jr. Storey | 47 | Head | Farmer | Kansas |
| 17 | Lora Storey | 43 | Wife | — | Kansas |
| 18 | Phyllis Storey | 16 | Daughter | — | Kansas |
| 19 | William S. Cooper | 67 | Head | Farmer | Kansas |
| 20 | Martha Cooper | 68 | Wife | — | Illinois |
| 21 | James M. Cooper THIS PERSON | 26 | Son | Farm Laborer | Kansas |
| 22 | James S. Halligan | 35 | Head | Farmer | Kansas |
| 23 | Lucille Halligan | 38 | Sister | — | Kansas |
| 24 | Kate Halligan | 76 | Mother | — | Illinois |
| 25 | Earl S. Hays | 48 | Head | Farmer | Kansas |
| 26 | Ira E. Hays | 50 | Head | Farmer | Kansas |
| 27 | Lana Hays | 39 | Wife | — | Kansas |
| 28 | Cava Hays | 17 | Daughter | — | Kansas |
| 29 | Ray R. Hays | 61 | Head | Farmer | Illinois |
| 30 | Mary Hays | 65 | Wife | — | Kansas |
| 31 | Royce Hays | 28 | Son | Farm Laborer | Kansas |
| 32 | Walter L. King | 57 | Head | Farmer | Kansas |
| 33 | Violet L. King | 49 | Wife | — | Missouri |
| 34 | Walter Jr. King | 15 | Son | Farm Laborer | Kansas |
| 35 | Lester King | 10 | Son | — | Kansas |
| 36 | Charley D. Hartwig | 54 | Head | Farmer | Kansas |
| 37 | Lillie Hartwig | 47 | Wife | — | Kansas |
| 38 | Howard Hartwig | 20 | Son | Laborer | Kansas |
| 39 | Joyce Hartwig | 17 | Daughter | — | Kansas |
| 40 | Neil Hartwig | 15 | Son | — | Kansas |
Pedigree Summary
James
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)