RA
Robert Arnold — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Adair-County, Kentucky
Our Model Tree links this Robert Arnold across the 1930 and 1940 US Censuses in Adair-County, Kentucky (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Adair-County, Kentucky |
| Surname | Arnold |
| Given Name | Robert |
| 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) | Adair |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 82 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farmer |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Oscar Arnold | Head | — | 58 | ~1882 |
| Edwin Arnold | Son | — | 8 | ~1932 |
| Myreth Arnold | Daughter | — | 13 | ~1927 |
| Robert Arnold | Son | — | 22 | ~1918 |
| Justine Arnold | Daughter | — | 7 | ~1933 |
| Charles Arnold | Son | — | 11 | ~1929 |
| Nina Arnold | Daughter | — | 15 | ~1925 |
| David Arnold | Son | — | 18 | ~1922 |
| Ora-May Arnold | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Adair, Kentucky
Son, age 12
Adair, Kentucky · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Adair-County, Kentucky
Son, age 22
Adair-County, Kentucky · implied b. ~1918 — 9 household members
| Surname | Arnold |
| Given Name | Robert |
| 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) | Adair |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 82 |
| Highest Grade | No 8 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Arnold
Son · 1940 · age 22 · b. ~1918 · Kentucky
★ You are viewing this record
Sibling
Edwin Arnold
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Arnold
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Justine Arnold
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myreth Arnold
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Arnold
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nina Arnold
Sibling · 1940 · age 15
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 — Adair-County, Kentucky
Open full size
1940 US Federal Census — Adair-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01276-00058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alva R. Hendrickson | 58 | Son | — | Kentucky |
| 2 | Tyra J. Russell | 32 | Head | Farmer | Kentucky |
| 3 | Oka Russell | 26 | Wife | — | Kentucky |
| 4 | Carl W. Russell | 6 | Son | — | Kentucky |
| 5 | Helen L. Russell | 4 | Daughter | — | Kentucky |
| 6 | Ethel Russell | 58 | Head | — | Kentucky |
| 7 | Nannie Cooley | 82 | Mother | — | Kentucky |
| 8 | Clina Corbin | 83 | Head | — | Kentucky |
| 9 | Oscar Arnold | 58 | Head | Farmer | Kentucky |
| 10 | Ora-May Arnold | 51 | Wife | — | Kentucky |
| 11 | Robert Arnold THIS PERSON | 22 | Son | Farmer | Kentucky |
| 12 | David Arnold | 18 | Son | Farmer | Kentucky |
| 13 | Nina Arnold | 15 | Daughter | — | Kentucky |
| 14 | Myreth Arnold | 13 | Daughter | — | Kentucky |
| 15 | Charles W. Arnold | 11 | Son | — | Kentucky |
| 16 | Edwin D. Arnold | 8 | Son | — | Kentucky |
| 17 | Justine Arnold | 7 | Daughter | — | Kentucky |
| 18 | Walter C. Arnold | 52 | Head | Farmer | Kentucky |
| 19 | Lillie Arnold | 45 | Wife | — | Kentucky |
| 20 | Russell Arnold | 25 | Son | Farmer | Kentucky |
| 21 | James Arnold | 14 | Son | Farmer | Kentucky |
| 22 | Louise Arnold | 12 | Daughter | — | Kentucky |
| 23 | Kathleen Arnold | 10 | Daughter | — | Kentucky |
| 24 | Billy Joe Arnold | 8 | Son | — | Kentucky |
| 25 | Bradley Arnold | 4 | Son | — | Kentucky |
| 26 | Winfrey Arnold | 22 | Head | Laborer | Kentucky |
| 27 | Estella Arnold | 22 | Wife | — | Kentucky |
| 28 | Bell Tucker | 79 | Head | — | Kentucky |
| 29 | Marion Tucker | 45 | Son | — | Kentucky |
| 30 | Asa Tucker | 38 | Son | Farmer | Kentucky |
| 31 | Asure Tucker | 38 | Son | Farmer | Kentucky |
| 32 | Josie Sinclair | 71 | Head | — | Kentucky |
| 33 | Florence Sinclair | 71 | Head | — | Kentucky |
| 34 | Omer Hovious | 26 | Head | Merchant | Kentucky |
| 35 | Orvetta Hovious | 22 | Wife | — | Kentucky |
| 36 | Barbara D. Hovious | 4 | Daughter | — | Kentucky |
| 37 | Lindsey D. Hovious | 1 | Son | — | Kentucky |
| 38 | Willie M. Humphress | 31 | Head | Farmer | Kentucky |
| 39 | Matra K. Humphress | 28 | Wife | — | Kentucky |
| 40 | Billy B. Humphress | 6 | Son | — | Kentucky |
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)