RA
Robert Arnold — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lee-County, Kentucky
Our Model Tree links this Robert Arnold across the 1920, 1930 and 1940 US Censuses in Lee-County, Kentucky (XGBoost, ~Confirmed), with identified parents John & Pollie — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Kentucky |
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | St. Helens |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Labor |
| Township / Ward | St Helens |
| Est. Birth Year | ~1911 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Hubert Arnold | Son | — | 21 | ~1919 |
| Newton Arnold | Son | — | 31 | ~1909 |
| Robert Arnold | Son | — | 29 | ~1911 |
| Mary Arnold | Head | — | 61 | ~1879 |
Census Appearances
1920
Lee, Kentucky
Son, age 8
Lee, Kentucky · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Lee, Kentucky
Son, age 19
Lee, Kentucky · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| 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
Lee-County, Kentucky
Son, age 29
Lee-County, Kentucky · implied b. ~1911 — 4 household members
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | St. Helens |
| 1935 Residence (County) | Lee |
| Occupation | Labor |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Robert Arnold across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Arnold (~0.92 confidence) and mother Pollie Arnold (~0.92 confidence) and mother Mary Arnold (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Arnold
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Pollie Arnold
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mary Arnold
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Arnold
Son · 1940 · age 29 · b. ~1911 · Kentucky
★ You are viewing this record
Sibling
Hubert Arnold
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Newton Arnold
Sibling · 1940 · age 31
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 — Lee-County, Kentucky
Open full size
1940 US Federal Census — Lee-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01329-00122)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Franklin H. Chambers | 3 | Son | — | Kentucky |
| 42 | Rannil Chambers | 20 | Son | — | Kentucky |
| 43 | Lucy Chambers | 19 | Daughter-in-law | — | Kentucky |
| 44 | Mara Bradley | 61 | Head | — | Kentucky |
| 45 | Harvey Lutes | 64 | Head | Labor | Kentucky |
| 46 | Sally Lutes | 58 | Wife | — | Kentucky |
| 47 | Raymond Lutes | 25 | Son | Labor | Kentucky |
| 48 | Jack Creech | 29 | Head | Labor | Kentucky |
| 49 | Effie Creech | 24 | Wife | — | Kentucky |
| 50 | Mae Creech | 5 | Daughter | — | Kentucky |
| 51 | Macee Creech | 5 | Daughter | — | Kentucky |
| 52 | Jarla Creech | 3 | Daughter | — | Kentucky |
| 53 | Johnie Creech | 2 | Daughter | — | Kentucky |
| 54 | Betty Gene Creech | 0 | Daughter | — | Kentucky |
| 55 | Joe Gibson | 4 | Nephew | — | Kentucky |
| 56 | Pink Johnson | 33 | Head | — | Kentucky |
| 57 | Junior Johnson | 14 | Son | — | Kentucky |
| 58 | Thelma Johnson | 10 | Daughter | — | Kentucky |
| 59 | Gilman Johnson | 10 | Son | — | Kentucky |
| 60 | Lillie Mae Johnson | 5 | Daughter | — | Kentucky |
| 61 | Datha J. Johnson | 1 | Daughter | — | Kentucky |
| 62 | William Creech | 25 | Brother | Labor | Kentucky |
| 63 | Emelyn Creech | 19 | Sister-in-law | — | Kentucky |
| 64 | Daniel Creech | 0 | Nephew | — | Kentucky |
| 65 | Jim Hollon | 47 | Head | — | Kentucky |
| 66 | Lucy Hollon | 48 | Wife | — | Kentucky |
| 67 | Delphia Hollon | 30 | Daughter | — | Kentucky |
| 68 | Linaria Hollon | 24 | Daughter | — | Kentucky |
| 69 | Miller Hollon | 23 | Son | Labor | Kentucky |
| 70 | Begin May 14 | None | — | — | — |
| 71 | Mary Arnold | 61 | Head | — | Kentucky |
| 72 | Newton Arnold | 31 | Son | Labor | Kentucky |
| 73 | Robert Arnold THIS PERSON | 29 | Son | Labor | Kentucky |
| 74 | Hubert Arnold | 21 | Son | Labor | Kentucky |
| 75 | Edgar Kincaid | 56 | Head | Labor | Kentucky |
| 76 | Effie Kincaid | 43 | Wife | — | Kentucky |
| 77 | Blain Jr. Kincaid | 16 | Son | — | Kentucky |
| 78 | Billy Kincaid | 13 | Son | — | Kentucky |
| 79 | Gracie E. Kincaid | 10 | Daughter | — | Kentucky |
| 80 | Melvin L. Kincaid | 7 | Son | — | Kentucky |
Pedigree Summary
Robert + 2 siblings
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)