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John Robertson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crittenden-County, Kentucky
Our Model Tree links this John Robertson across the 1920, 1930 and 1940 US Censuses in Crittenden-County, Kentucky (XGBoost, ~Confirmed), with identified parents Charles & Lester — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crittenden-County, Kentucky |
| Surname | Robertson |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist #1 |
| 1935 Residence (County) | Crittenden |
| Additional Details | |
| Occupation | Miner |
| Industry | Fluorspar Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 454 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Miner |
| Township / Ward | Mag Dist 1 |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Velda Robertson | Daughter | — | 22 | ~1918 |
| Chester Robertson | Head | — | 45 | ~1895 |
| C Robertson | Son | — | 16 | ~1924 |
| John Robertson | Son | — | 20 | ~1920 |
| Ina Robertson | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Crittenden, Kentucky
Son, age 1
Crittenden, Kentucky · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Crittenden, Kentucky
Son, age 11
Crittenden, Kentucky · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Crittenden-County, Kentucky
Son, age 20
Crittenden-County, Kentucky · implied b. ~1920 — 5 household members
| Surname | Robertson |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. Dist #1 |
| 1935 Residence (County) | Crittenden |
| Occupation | Miner |
| Industry | Fluorspar Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 454 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Robertson (~0.92 confidence) and father Lester Robertson (~0.92 confidence) and father Chester Robertson (~0.92 confidence) and mother Ina Robertson (~0.92 confidence) and mother Annie Robertson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Robertson
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Lester Robertson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Chester Robertson
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Ina Robertson
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Annie Robertson
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Robertson
Son · 1940 · age 20 · b. ~1920 · Kentucky
★ You are viewing this record
Sibling
C Robertson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velda Robertson
Sibling · 1940 · age 22
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 — Crittenden-County, Kentucky
Open full size
1940 US Federal Census — Crittenden-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01297-00083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James P. Fritts | 20 | Son | Truck Driver | Kentucky |
| 42 | Clarence N. Fritts | 9 | Son | — | Kentucky |
| 43 | Ed Lanham | 58 | Lodger | Rock Crusher Operator | Kentucky |
| 44 | Chester Robertson | 45 | Head | Pump Operator | Kentucky |
| 45 | Ina Robertson | 40 | Wife | — | Kentucky |
| 46 | Velda Robertson | 22 | Daughter | — | Kentucky |
| 47 | John L. Robertson THIS PERSON | 20 | Son | Miner | Kentucky |
| 48 | C. W. Robertson | 16 | Son | New Worker | Kentucky |
| 49 | Robert G. Hughes | 46 | Head | Miner | Kentucky |
| 50 | Bettie Hughes | 42 | Wife | — | Kentucky |
| 51 | Lucille Evelyn Hughes | 13 | Daughter | — | Kentucky |
| 52 | Mary Lou Hughes | 12 | Daughter | — | Kentucky |
| 53 | Geraldine Hughes | 7 | Daughter | — | Kentucky |
| 54 | Shirley Sue Hughes | 3 | Daughter | — | Kentucky |
| 55 | Charlie Grey | 39 | Lodger | Farm Labor | Kentucky |
| 56 | Ruel Hughes | 53 | Head | Mine Foreman | Illinois |
| 57 | Lena Hughes | 50 | Wife | — | Kentucky |
| 58 | Martha Nell Hughes | 21 | Daughter | — | Kentucky |
| 59 | Alice Sue Hughes | 10 | Daughter | — | Kentucky |
| 60 | Curtis Franklin | 36 | Head | Miner | Kentucky |
| 61 | Lelia Franklin | 36 | Wife | — | Kentucky |
| 62 | Carson Franklin | 15 | Son | Farm Labor | Kentucky |
| 63 | Thomas R. Franklin | 13 | Son | — | Kentucky |
| 64 | Wanda L. Franklin | 12 | Daughter | — | Illinois |
| 65 | Patsy Franklin | 10 | Daughter | — | Kentucky |
| 66 | Iva Nell Franklin | 8 | Daughter | — | Kentucky |
| 67 | Billy Franklin | 6 | Son | — | Kentucky |
| 68 | Doris Jane Franklin | 2 | Daughter | — | Illinois |
| 69 | G. E. Horning | 79 | Head | — | Kentucky |
| 70 | Laura E. Horning | 72 | Wife | — | Kentucky |
| 71 | Elmer Horning | 46 | Son | Miner | Kentucky |
| 72 | Bunk Perryman | 52 | Head | Mine Foreman | Kentucky |
| 73 | Dessie Perryman | 38 | Wife | — | Kentucky |
| 74 | Kenneth Perryman | 12 | Son | — | Kentucky |
| 75 | Glen Perryman | 10 | Son | — | Kentucky |
| 76 | Gladys Perryman | 7 | Daughter | — | Kentucky |
| 77 | Mary Lou Hughes | 16 | Daughter | New Worker | Kentucky |
| 78 | Constance Hughes | 2 | Granddaughter | — | Kentucky |
| 79 | Arthur Yandell | 29 | Head | Drill Man | Kentucky |
| 80 | Margarette Yandell | 21 | Wife | — | Kentucky |
Pedigree Summary
John + 2 siblings
Gen 1 · 5 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)