RA
Robert Arnold — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fairfax-County, Virginia
Our Model Tree links this Robert Arnold across the 1930 and 1940 US Censuses in Fairfax-County, Virginia (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 12-person household.
Age 76
b. ~1864
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfax-County, Virginia |
| Surname | Arnold |
| Given Name | Robert A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Mt. Vernon District |
| 1935 Residence (County) | Fairfax |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Mt Vernon District |
| Est. Birth Year | ~1864 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Edward Arnold | Son | — | 21 | ~1919 |
| Hinton Arnold | Daughter | — | 24 | ~1916 |
| Margaret Arnold | Daughter | — | 44 | ~1896 |
| Jenny Arnold | Spouse | — | 67 | ~1873 |
| Joseph Arnold | Son | — | 25 | ~1915 |
| Gardiner Arnold | Son | — | 40 | ~1900 |
| Arthur Arnold | Son | — | 18 | ~1922 |
| Patrick Arnold | Son | — | 19 | ~1921 |
| Walter Arnold | Son | — | 16 | ~1924 |
| Robert Arnold | Son | — | 22 | ~1918 |
| Harvey Arnold | Son | — | 30 | ~1910 |
| Robert Arnold | Head | — | 76 | ~1864 |
Census Appearances
1930
Fairfax, Virginia
Other, age 64
Fairfax, Virginia · implied b. ~1866 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | H |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 29 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Fisherman |
| Industry | Fishing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $1000 |
| Radio Set | R |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Fairfax-County, Virginia
Head, age 76
Fairfax-County, Virginia · implied b. ~1864 — 12 household members
| Surname | Arnold |
| Given Name | Robert A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 76 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Mt. Vernon District |
| 1935 Residence (County) | Fairfax |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | S 8 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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
Head · 1940 · age 76 · b. ~1864 · Virginia
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Fairfax-County, Virginia
Open full size
1940 US Federal Census — Fairfax-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04261-00756)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert A. Arnold THIS PERSON | 76 | Head | — | Virginia |
| 2 | Jenny H. Arnold | 67 | Wife | — | Virginia |
| 3 | Margaret Arnold | 44 | Daughter | — | Virginia |
| 4 | Gardiner H. Arnold | 40 | Son | — | Virginia |
| 5 | Harvey Arnold | 30 | Son | — | Virginia |
| 6 | Joseph Arnold | 25 | Son | Dredger | Virginia |
| 7 | Robert Arnold | 22 | Son | Surveyor'S Asst. | Virginia |
| 8 | Edward Arnold | 21 | Son | Surveyor'S Asst. | Virginia |
| 9 | Patrick Arnold | 19 | Son | — | Virginia |
| 10 | Arthur Arnold | 18 | Son | Laborer | Virginia |
| 11 | Walter J. Arnold | 16 | Son | — | Virginia |
| 12 | Hinton Elenora Arnold | 24 | Daughter | — | Virginia |
| 13 | Mary C. (X) Hughes | 61 | Head | — | California |
| 14 | Henry W. Hughes | 35 | Son | — | California |
| 15 | John J. Hughes | 32 | Son | Clerk | California |
| 16 | Mary Condill | 55 | Servant | Clerk | Virginia |
| 17 | Elmer R. Bartlett | 28 | Head | Servant | Virginia |
| 18 | Mary Bartlett | 24 | Wife | Mechanic | Virginia |
| 19 | Joan Bartlett | 4 | Daughter | — | Virginia |
| 20 | Donald R. Bartlett | 1 | Son | — | Virginia |
| 21 | Joseph W. Bartlett | 34 | Brother | — | Virginia |
| 22 | Allen (X) Rogers | 37 | Head | Proofreader | Virginia |
| 23 | Ruth Rogers | 28 | Wife | Carpenter | Tennessee |
| 24 | Betty A. Rogers | 9 | Daughter | Sales Clerk | Virginia |
| 25 | Gloria Rogers | 7 | Daughter | — | Virginia |
| 26 | John D. Rogers | 4 | Son | — | Virginia |
| 27 | Ida (X) Bullock | 34 | Head | Attendant | Virginia |
| 28 | Percy (X) Lyles | 51 | Head | Laborer | D.C. |
| 29 | Cass H. Lyles | 47 | Wife | — | Virginia |
| 30 | Calvin Lyles | 19 | Son | Laborer | D.C. |
| 31 | Florence Lyles | 18 | Daughter | Servant | Virginia |
| 32 | William H. (X) Strait | 30 | Head | Official | Connecticut |
| 33 | Mary P. Strait | 28 | Wife | — | Connecticut |
| 34 | Mary G. Strait | 6 | Daughter | — | Connecticut |
| 35 | Elizabeth P. Strait | 4 | Daughter | — | Connecticut |
| 36 | Hazel Parent | 32 | Servant | — | French Canada |
| 37 | Willis E. (X) Cleaves | 37 | Head | Servant | Maine |
| 38 | Barbara G. Cleaves | 38 | Wife | Lieut. Commander | Massachusetts |
| 39 | Jane Cleaves | 13 | Daughter | — | Florida |
| 40 | Joan Cleaves | 11 | Daughter | — | Virginia |
Related Census Records
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)