JC
John Cox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Kansas
Our Model Tree links this John Cox across the 1920, 1930 and 1940 US Censuses in Linn-County, Kansas (XGBoost, ~Confirmed), with identified parents Ruben & Carrie — first a head (b.~1899), then head of a 4-person household.
Age 41
b. ~1899
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Kansas |
| Surname | Cox |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | Barber |
| Industry | Barber shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Barber |
| Township / Ward | Lincoln Township |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cox | Head | — | 41 | ~1899 |
| Kenneth Cox | Son | — | 9 | ~1931 |
| Bernard Cox | Son | — | 5 | ~1935 |
| Ruth Cox | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Linn, Kansas
Son, age 21
Linn, Kansas · implied b. ~1899 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Linn, Kansas
Head, age 31
Linn, Kansas · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 29 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Trucking |
| Industry | Public Highway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Linn-County, Kansas
Head, age 41
Linn-County, Kansas · implied b. ~1899 — 4 household members
| Surname | Cox |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Linn |
| Occupation | Barber |
| Industry | Barber shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| 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 John Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ruben Cox (~0.92 confidence) and mother Carrie Cox (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ruben Cox
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Carrie Cox
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Cox
Head · 1940 · age 41 · b. ~1899 · 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 — Linn-County, Kansas
Open full size
1940 US Federal Census — Linn-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01241-00409)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Howard Goetz | 6 | Head | — | Kansas |
| 42 | John Bays | 64 | Head | Farmer | Kansas |
| 43 | Effie Bays | 67 | Wife | — | Kansas |
| 44 | Taylor Bays | 36 | Son | Farmer | Kansas |
| 45 | Edna B. Bays | 32 | Daughter-in-law | — | Kansas |
| 46 | Mary Lou Bays | 15 | Granddaughter | — | Kansas |
| 47 | Betty Sue Bays | 13 | Daughter | — | Kansas |
| 48 | Shirley Jean Bays | 11 | Daughter | — | Kansas |
| 49 | Joe Bays | 57 | Brother | Farmer | Kansas |
| 50 | Benjamin C. Good | 69 | Head | Miner | Missouri |
| 51 | Roger Johnson | 46 | Head | Farmer | Kansas |
| 52 | Katharine Johnson | 35 | Wife | — | Ohio |
| 53 | Dorothy Johnson | 11 | Daughter | — | Kansas |
| 54 | Doris Johnson | 9 | Daughter | — | Kansas |
| 55 | Charlene Johnson | 6 | Daughter | — | Kansas |
| 56 | Ethel Marie Johnson | 3 | Daughter | — | Kansas |
| 57 | Harley Hamilton | 50 | Head | Farmer | Missouri |
| 58 | Adelia Hamilton | 44 | Wife | — | Kansas |
| 59 | Robert Hamilton | 22 | Son | Farmer | Kansas |
| 60 | Emma Hamilton | 20 | Daughter | — | Kansas |
| 61 | Howard Hamilton | 11 | Son | — | Kansas |
| 62 | John Cox THIS PERSON | 41 | Head | Barber | Kansas |
| 63 | Ruth Cox | 36 | Wife | — | Kansas |
| 64 | Kenneth Cox | 9 | Son | — | Kansas |
| 65 | Bernard Cox | 5 | Son | — | Kansas |
| 66 | George Worlein | 71 | Head | Farmer | Illinois |
| 67 | Lillie Worlein | 65 | Wife | — | Missouri |
| 68 | Clarence Hoaglan | 57 | Head | Farmer | Missouri |
| 69 | Emily Hoaglan | 55 | Wife | — | Missouri |
| 70 | Fred Deardorff | 53 | Head | Farmer | Missouri |
| 71 | Eva Deardorff | 80 | Mother | — | Missouri |
| 72 | Edna Russell | 23 | Servant | Housekeeper | Kansas |
| 73 | John E. Larky | 61 | Head | Farmer | Missouri |
| 74 | Carrie Larky | 61 | Wife | — | Kansas |
| 75 | Opal Larky | 20 | Niece | Teacher | Kansas |
| 76 | Clyde Brockett | 45 | Head | Farmer | Kansas |
| 77 | Irene Brockett | 40 | Wife | — | Kansas |
| 78 | Lorene Brockett | 19 | Daughter | — | Kansas |
| 79 | Lorice Brockett | 17 | Daughter | — | Kansas |
| 80 | Marguerite Brockett | 13 | Daughter | — | Kansas |
Pedigree Summary
John
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)