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John Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shawnee-County, Kansas
Our Model Tree links this John Cooper across the 1920, 1930 and 1940 US Censuses in Shawnee-County, Kansas (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 5-person household.
Age 48
b. ~1892
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Shawnee-County, Kansas |
| Surname | Cooper |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Topeka City |
| 1935 Residence (County) | Shawnee |
| Additional Details | |
| Occupation | Clerical clerk |
| Industry | Railroad company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Clerical Clerk |
| Township / Ward | Topeka City |
| Est. Birth Year | ~1892 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Cooper | Daughter | — | 5 | ~1935 |
| John Cooper | Head | — | 48 | ~1892 |
| Robert Cooper | Son | — | 19 | ~1921 |
| Richard Cooper | Son | — | 14 | ~1926 |
| Nella Cooper | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Shawnee, Kansas
Other, age 26
Shawnee, Kansas · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | John A. |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Nebraska |
| Occupation | Time-Keeper |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Shawnee, Kansas
Head, age 37
Shawnee, Kansas · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 27 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Canada-English |
| Occupation | Book Keeper |
| Industry | Railroad Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Shawnee-County, Kansas
Head, age 48
Shawnee-County, Kansas · implied b. ~1892 — 5 household members
| Surname | Cooper |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Topeka City |
| 1935 Residence (County) | Shawnee |
| Occupation | Clerical clerk |
| Industry | Railroad company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 266 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 John Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Cooper
Head · 1940 · age 48 · b. ~1892 · Kansas
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Shawnee-County, Kansas
Open full size
1940 US Federal Census — Shawnee-County, Kansas
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01260-00845)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lizzie Oneal | 56 | Head | — | Kansas |
| 2 | Kenneth R Oneal | 27 | Son | Laborer | Kansas |
| 3 | Helen R Ralston | 33 | Head | — | Vermont |
| 4 | Ora Mae Cooper | 60 | Daughter | — | Missouri |
| 5 | H. Morton White | 70 | Head | Owner And Operator | Indiana |
| 6 | Josephine White | 67 | Wife | — | Ohio |
| 7 | Homer Montgomery | 44 | Head | Real Estate Agent | Kansas |
| 8 | Juanita Montgomery | 34 | Wife | — | Kansas |
| 9 | Harlan Montgomery | 17 | Son | — | Kansas |
| 10 | Allen Montgomery | 67 | Father | Retired | Kansas |
| 11 | W. James French | 22 | Head | Meat Salesman | Kansas |
| 12 | Lavon French | 23 | Wife | — | Kansas |
| 13 | Victor E Herbert | 49 | Head | Salesman | Kansas |
| 14 | Odessa Herbert | 48 | Wife | — | Kansas |
| 15 | William Herbert | 20 | Son | — | Kansas |
| 16 | Nile Berlin | 43 | Head | Receiving Clerk | Kansas |
| 17 | Mabel Berlin | 42 | Wife | — | Missouri |
| 18 | Vera Berlin | 17 | Daughter | — | Kansas |
| 19 | Jr, Nile Berlin | 13 | Son | — | Missouri |
| 21 | George F Hill | 66 | Head | — | New York |
| 22 | Bertha M Hill | 63 | Wife | — | Indiana |
| 23 | Albert Johnson | 42 | Head | Salesman | Kansas |
| 24 | Rebecca Johnson | 42 | Wife | — | Oklahoma |
| 25 | Jr. Albert Johnson | 19 | Son | — | Oklahoma |
| 26 | Helen Johnson | 15 | Daughter | — | Oklahoma |
| 27 | Frances Pershing | 72 | Mother-in-law | — | Ohio |
| 28 | Maggie Simpson | 59 | Head | — | Kansas |
| 29 | John Simpson | 31 | Son | Shoe Salesman | Kansas |
| 30 | Helen Simpson | 24 | Daughter-in-law | — | Missouri |
| 31 | Martin L Cornwell | 58 | Head | Solicitor | Kansas |
| 32 | Rachel J Cornwell | 53 | Wife | — | Kansas |
| 33 | Leona M Cornwell | 20 | Daughter | — | Kansas |
| 34 | John A Cooper THIS PERSON | 48 | Head | Clerical Clerk | Colorado |
| 35 | Nella Cooper | 48 | Wife | — | Kansas |
| 36 | Robert J Cooper | 19 | Son | Attendant | Kansas |
| 37 | Richard Cooper | 14 | Son | — | Kansas |
| 38 | Mary J Cooper | 5 | Daughter | — | Kansas |
| 39 | Eugene Kramer | 57 | Head | Minister | Kansas |
| 40 | Minnie C Kramer | 51 | Wife | — | Kansas |
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)