RA
Robert Arnold — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Missouri
Our Model Tree links this Robert Arnold across the 1920, 1930 and 1940 US Censuses in Clay-County, Missouri (XGBoost, ~Confirmed), with identified parents Charles & Eloise — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Missouri |
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Salesman |
| Industry | Automobile Insurance |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2748 |
| Highest Grade | C-4 |
| 1935 Residence | Missouri |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Salesman |
| Township / Ward | Gallatin Township |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Janet Arnold | Daughter | — | 6 | ~1934 |
| Robert Arnold | Head | — | 34 | ~1906 |
| Grace Arnold | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Jackson, Missouri
Son, age 13
Jackson, Missouri · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Jackson, Missouri
Other, age 24
Jackson, Missouri · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert H. |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Occupation | Asst. Auditor |
| Industry | Cement Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Clay-County, Missouri
Head, age 34
Clay-County, Missouri · implied b. ~1906 — 3 household members
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | Salesman |
| Industry | Automobile Insurance |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2748 |
| Highest Grade | C-4 |
| 1935 Residence | Missouri |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Charles Arnold (~0.92 confidence) and mother Eloise Arnold (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Arnold
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Eloise Arnold
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Arnold
Head · 1940 · age 34 · b. ~1906 · Missouri
★ 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 — Clay-County, Missouri
Open full size
1940 US Federal Census — Clay-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02097-00423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl Bollinger | 34 | Head | Branch Operator | Illinois |
| 2 | Georgia D. Bollinger | 25 | Wife | — | Illinois |
| 3 | Nora Harrison | 55 | Mother | — | Illinois |
| 4 | Lizzie M. Sailor | 44 | Head | Stenographer | Illinois |
| 5 | Neel L. Callahan | 40 | Lodger | Salesman | Texas |
| 6 | Roberta Callahan | 42 | Lodger | — | Missouri |
| 7 | Norma Lee Callahan | 6 | Daughter | — | Missouri |
| 8 | James A. Johnson | 36 | Head | Serum Inspector | Ohio |
| 9 | Maude V. Johnson | 32 | Wife | — | Ohio |
| 10 | James A. Junior Johnson | 4 | Son | — | Ohio |
| 11 | Stanley Vukon | 29 | Head | Truck Delivery Driver | Missouri |
| 12 | Lillian D. Vukon | 29 | Wife | — | Missouri |
| 13 | Adrienne Vukon | 3 | Daughter | — | Missouri |
| 14 | Robert Arnold THIS PERSON | 34 | Head | Salesman | Nebraska |
| 15 | Grace A. Arnold | 32 | Wife | — | Arkansas |
| 16 | Janet Arnold | 6 | Daughter | — | Missouri |
| 17 | Virgil B. Cook | 34 | Head | Hat Blocker And Cleaner | Missouri |
| 18 | Hattie B. Cook | 32 | Wife | — | Missouri |
| 19 | Stanley L. Brown | 37 | Head | Electrical Engineer | Missouri |
| 20 | Mary Christine Brown | 24 | Wife | — | Georgia |
| 21 | Jerome Brown | 2 | Son | — | Missouri |
| 22 | Rea Smith | 30 | Head | Engineering Draftsman | New York |
| 23 | Lucy Elizabeth Smith | 28 | Wife | — | Michigan |
| 24 | Sara Ann Smith | 1 | Daughter | — | Missouri |
| 25 | Leonard Williams | 33 | Head | Business Representative | Missouri |
| 26 | Mildred Williams | 32 | Wife | — | Missouri |
| 27 | John Williams | 12 | Son | — | Missouri |
| 28 | Leon Blum | 28 | Head | Accountant | Missouri |
| 29 | Lena D. Blum | 24 | Wife | — | Missouri |
| 30 | Alan Junior Blum | 2 | Son | — | Missouri |
| 31 | Kenneth D. Reyburn | 26 | Head | Salesman | Missouri |
| 32 | Jean Reyburn | 22 | Wife | — | Missouri |
| 33 | Albert Sullivan | 31 | Head | Parts Manager | Kansas |
| 34 | Earna D. Sullivan | 30 | Wife | — | Kansas |
| 35 | Forrest Hinton | 33 | Head | Financial Section Head | Iowa |
| 36 | Emma D. Hinton | 29 | Wife | — | Iowa |
| 37 | Gene Roberts | 34 | Head | Credit Manager | Missouri |
| 38 | Lois Roberts | 30 | Wife | — | Iowa |
| 39 | Harriett Hacking | 21 | Sister-in-law | Waitress | Iowa |
| 40 | David Wickenburg | 5 | Nephew | — | Missouri |
Pedigree Summary
Robert
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)