RA
Robert Arnold — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Robert Arnold across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Jeanette — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Connecticut
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | Rubber Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 446 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Machine Operator |
| Township / Ward | Boston City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Arnold | Daughter | — | 16 | ~1924 |
| Robert Arnold | Son | — | 22 | ~1918 |
| James Arnold | Son | — | 20 | ~1920 |
| Charles Arnold | Head | — | 52 | ~1888 |
| Virginia Arnold | Daughter | — | 26 | ~1914 |
| Charles Arnold | Son | — | 27 | ~1913 |
| Minnette Arnold | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Suffolk, Massachusetts
Son, age 12
Suffolk, Massachusetts · implied b. ~1918 — 7 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 | Connecticut |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Suffolk-County, Massachusetts
Son, age 22
Suffolk-County, Massachusetts · implied b. ~1918 — 7 household members
| Surname | Arnold |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Machine Operator |
| Industry | Rubber Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 446 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Jeanette Arnold (~0.92 confidence) and mother Minnette Arnold (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Arnold
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Jeanette Arnold
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Minnette Arnold
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Arnold
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Mary Arnold
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Arnold
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Arnold
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Arnold
Sibling · 1940 · age 20
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01682-00789)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie B Kane | 17 | Daughter | — | Massachusetts |
| 2 | James J Jr Kane | 14 | Son | — | Massachusetts |
| 3 | Lucie Cavagnaro | 59 | Head | — | Italy |
| 4 | Elizabeth Hynes | 38 | Daughter | — | Massachusetts |
| 5 | Romeo A Bruni | 36 | Son-in-law | Chiropodist | Massachusetts |
| 6 | Alma Bruni | 35 | Daughter | — | Massachusetts |
| 7 | Louisa Cavagnaro | 68 | Sister-in-law | Housekeeper | Italy |
| 8 | James J Winn | 32 | Lodger | Truck Driver | Massachusetts |
| 9 | James Mctiernan | 59 | Head | Gardener | Irish Free State |
| 10 | Norah Mctiernan | 50 | Wife | — | Irish Free State |
| 11 | James H Mctiernan | 18 | Son | — | Massachusetts |
| 12 | Edward Mctiernan | 14 | Son | — | Massachusetts |
| 13 | Anna Hyde | 43 | Head | — | Irish Free State |
| 14 | Cornelius Hyde | 39 | Husband | Postal Clerk | Pennsylvania |
| 15 | Theresa Hyde | 14 | Son | — | Massachusetts |
| 16 | Margaret Hyde | 13 | Daughter | — | Massachusetts |
| 17 | John F O'Neil | 56 | Head | Salesman | Massachusetts |
| 18 | Anna M O'Neil | 27 | Daughter | — | Massachusetts |
| 19 | Charles F Arnold | 52 | Head | Auto Mechanic | Indiana |
| 20 | Minnette Arnold | 52 | Wife | — | Kentucky |
| 21 | Charles F Jr Arnold | 27 | Son | Auto Mechanic | Indiana |
| 22 | Virginia Arnold | 26 | Daughter | Grade Teacher | Indiana |
| 23 | Robert Arnold THIS PERSON | 22 | Son | Machine Operator | Connecticut |
| 24 | James V Arnold | 20 | Son | Auto Mechanic | Connecticut |
| 25 | Mary F Arnold | 16 | Daughter | — | Rhode Island |
| 26 | Ralph H Burke | 41 | Head | Investigator | Massachusetts |
| 27 | Amelia Burke | 37 | Wife | — | Maine |
| 28 | Thomas Burke | 4 | Son | — | Massachusetts |
| 29 | Elaine Burke | 2 | Daughter | — | Massachusetts |
| 30 | James F Sullivan | 38 | Head | Attorney | Massachusetts |
| 31 | Martha Sullivan | 39 | Wife | — | Massachusetts |
| 32 | Evelyn Sullivan | 9 | Daughter | — | Massachusetts |
| 33 | Ruth M Martin | 43 | Head | — | Massachusetts |
| 34 | Joseph Martin | 12 | Son | — | Massachusetts |
| 35 | Frederick Keenan | 46 | Head | Trader | New York |
| 36 | Eleanor Keenan | 44 | Wife | — | Ohio |
| 37 | John Keenan | 13 | Son | — | Massachusetts |
| 38 | Helen Keenan | 9 | Daughter | — | Massachusetts |
| 39 | Charles F Stuart | 38 | Head | Purchasing Agent | Massachusetts |
| 40 | Elizabeth Stuart | 35 | Wife | — | Massachusetts |
Related Census Records
Pedigree Summary
Robert + 4 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)