RA
Robert Arnold — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Robert Arnold across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Arnold |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Linden |
| 1935 Residence (County) | Union |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Linden |
| Est. Birth Year | ~1925 |
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 |
|---|---|---|---|---|
| Howard Arnold | Son | — | 11 | ~1929 |
| Grace Arnold | Daughter | — | 18 | ~1922 |
| Margaret Arnold | Daughter | — | 27 | ~1913 |
| Dorothy Arnold | Daughter | — | 26 | ~1914 |
| Howard Arnold | Head | — | 52 | ~1888 |
| Ruth Arnold | Daughter | — | 20 | ~1920 |
| Robert Arnold | Son | — | 15 | ~1925 |
| Margaret Arnold | Spouse | — | 50 | ~1890 |
| Jane Arnold | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Union, New …
Son, age 5
Union, New Jersey · implied b. ~1925 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 15
Union-County, New Jersey · implied b. ~1925 — 9 household members
| Surname | Arnold |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Linden |
| 1935 Residence (County) | Union |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 15 · b. ~1925 · New Jersey
★ You are viewing this record
Sibling
Dorothy Arnold
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Arnold
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Arnold
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Arnold
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Arnold
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Arnold
Sibling · 1940 · age 18
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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02386-00357)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frederick C. Heller | 37 | Head | Seaman | New Jersey |
| 42 | Eileen C. Heller | 34 | Wife | — | New Jersey |
| 43 | Barbara C. Heller | 11 | Daughter | — | New Jersey |
| 44 | Eileen J. Heller | 8 | Daughter | — | New Jersey |
| 45 | Allison J. Heller | 6 | Daughter | — | New Jersey |
| 46 | Howard R. Arnold | 52 | Head | Shipping Clerk | New Jersey |
| 47 | Margaret B. Arnold | 50 | Wife | — | Pennsylvania |
| 48 | Margaret B. Arnold | 27 | Daughter | Packer | New Jersey |
| 49 | Dorothy E. Arnold | 26 | Daughter | — | New Jersey |
| 50 | Ruth E. Arnold | 20 | Daughter | Inspector | New Jersey |
| 51 | Grace H. Arnold | 18 | Daughter | Assembler | New Jersey |
| 52 | Robert C. Arnold THIS PERSON | 15 | Son | — | New Jersey |
| 53 | Jane E. Arnold | 13 | Daughter | — | New Jersey |
| 54 | Howard R. Arnold | 11 | Son | — | New Jersey |
| 55 | Nicholas Castellano | 30 | Head | Electric Welder | Italy |
| 56 | Lillian Castellano | 27 | Wife | Inspector | Pennsylvania |
| 57 | Nicholas Castellano | 7 | Son | — | New Jersey |
| 58 | Francis Castellano | 3 | Son | — | New Jersey |
| 60 | Frank S. Holick | 37 | Head | Bldg Contractor | New York |
| 61 | Dorothy H. Holick | 36 | Wife | Bookkeeper | New York |
| 62 | Arthur Holick | 46 | Brother | Mechanic | New York |
| 63 | Fay Holick | 27 | Sister | Salesgirl | New York |
| 64 | Philip Holick | 32 | Brother | — | New York |
| 65 | Susan Holick | 66 | Mother | — | Russia |
| 66 | Rose A. Wuttke | 44 | Head | Sewing Machine Operator | Hungary |
| 67 | Olga H. Wuttke | 21 | Daughter | Box Dept. | New Jersey |
| 68 | Evelyn M. Wuttke | 18 | Daughter | Finisher | New Jersey |
| 69 | Louis B. Olsen | 57 | Head | Ironworker | Norway |
| 70 | Ragnhild Olsen | 60 | Wife | — | Norway |
| 72 | Frank V. Biedron | 52 | Head | Watchman/Jewelry Worker | New Jersey |
| 73 | Lillian Biedron | 45 | Wife | — | New Jersey |
| 74 | Edward Biedron | 22 | Son | Clerk | New Jersey |
| 75 | John Galya | 59 | Head | Carpenter | Hungary |
| 76 | Elizabeth Galya | 56 | Wife | — | Hungary |
| 77 | Elizabeth Galya | 32 | Daughter | Hand Finisher | Hungary |
| 78 | Herman Mast | 42 | Head | Fireman | Illinois |
| 79 | Anna C. Mast | 41 | Wife | — | New Jersey |
| 80 | Dorothy Mast | 3 | Daughter | — | New York |
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)