JB
John Baker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Kentucky
Our Model Tree links this John Baker across the 1920, 1930 and 1940 US Censuses in Knox-County, Kentucky (XGBoost, ~Confirmed), with identified parents Jeff & Alice — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Kentucky |
| Surname | Baker |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District 1 |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 454 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Miner |
| Township / Ward | Magisterial District 1 |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Arie Baker | Head | — | 60 | ~1880 |
| Maggie Mills | Other | — | 53 | ~1887 |
| Edward Baker | Son | — | 18 | ~1922 |
| John Baker | Son | — | 22 | ~1918 |
Census Appearances
1920
Knox, Kentucky
Son, age 1
Knox, Kentucky · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Knox, Kentucky
Son, age 12
Knox, Kentucky · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baker |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Knox-County, Kentucky
Son, age 22
Knox-County, Kentucky · implied b. ~1918 — 4 household members
| Surname | Baker |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District 1 |
| 1935 Residence (County) | Knox |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 454 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Baker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jeff Baker (~0.92 confidence) and mother Alice Baker (~0.92 confidence) and mother Arie Baker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeff Baker
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Alice Baker
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Arie Baker
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Baker
Son · 1940 · age 22 · b. ~1918 · Kentucky
★ You are viewing this record
Sibling
Edward Baker
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Knox-County, Kentucky
Open full size
1940 US Federal Census — Knox-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01326-00696)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gilbert, Dexter Gilbert | 13 | Daughter | — | Kentucky |
| 42 | Louise Gilbert | 10 | Daughter | — | Kentucky |
| 43 | Dorothy Gilbert | 6 | Daughter | — | Kentucky |
| 44 | Ray Gilbert | 6 | Daughter | — | Kentucky |
| 45 | Ruth Gilbert | 1 | Daughter | — | Kentucky |
| 46 | Sarah Melton | 59 | Mother-in-law | — | Kentucky |
| 47 | E. L. Bright | 39 | Head | Farmer | Kentucky |
| 48 | Charity Bright | 31 | Wife | — | Kentucky |
| 49 | Clovis Bright | 16 | Son | — | Kentucky |
| 50 | Eulila Bright | 14 | Daughter | — | Kentucky |
| 51 | Rutherford Bright | 11 | Son | — | Kentucky |
| 52 | Homer Miller | 17 | Lodger | 42 | Kentucky |
| 53 | John H. Gregory | 72 | Head | Farmer | Kentucky |
| 54 | Thomas B. Gregory | 29 | Son | Laborer | Kentucky |
| 55 | Thomas B. Gregory | 58 | Brother | Farmer | Kentucky |
| 56 | Sam Abner | 46 | Head | Farmer | Kentucky |
| 57 | Anna Mae Abner | 19 | Daughter | — | Kentucky |
| 58 | Thomas Abner | 18 | Son | Laborer | Kentucky |
| 59 | Mollie Abner | 16 | Daughter | — | Kentucky |
| 60 | Jessie Abner | 12 | Daughter | — | Kentucky |
| 61 | Lucille Abner | 6 | Daughter | — | Kentucky |
| 62 | Laura Grindstaff | 54 | Head | Farmer | Kentucky |
| 63 | Butler Castle | 31 | Head | Deliveryman | Kentucky |
| 64 | Elsie Castle | 29 | Wife | — | Kentucky |
| 65 | William Castle | 10 | Son | — | Kentucky |
| 66 | Burchell Castle | 8 | Son | — | Kentucky |
| 67 | Lois Castle | 6 | Daughter | — | Kentucky |
| 68 | Son Hobart | None | M | — | — |
| 69 | Arie Baker | 60 | Head | Farmer | Kentucky |
| 70 | John H. Baker THIS PERSON | 22 | Son | Miner | Kentucky |
| 71 | Edward M. Baker | 18 | Son | Miner | Kentucky |
| 72 | Maggie Mills | 53 | Cousin | — | Kentucky |
| 73 | Ben F. Black | 49 | Head | Farmer | Kentucky |
| 74 | Bertha Black | 45 | Wife | — | Kentucky |
| 75 | Belvia Black | 18 | Son | — | Kentucky |
| 76 | Bradley Black | 14 | Son | — | Kentucky |
| 77 | B. J. Black | 21 | Son | Millhand | Kentucky |
| 78 | Beulah Black | 18 | Daughter-in-law | — | Kentucky |
| 79 | Phyllis Black | 5 | Granddaughter | — | Kentucky |
| 80 | Ed Valentine | 41 | Head | Farmer | Kentucky |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)