RN
Robert Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Robert Nelson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Pete & Clara — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Nelson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Doris Bryan | Daughter | — | 30 | ~1910 |
| Pete Nelson | Head | — | 58 | ~1882 |
| Robert Nelson | Son | — | 23 | ~1917 |
| Clara Nelson | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 14
Suffolk, Massachusetts · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 23
Suffolk-County, Massachusetts · implied b. ~1917 — 4 household members
| Surname | Nelson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Pete Nelson (~0.92 confidence) and mother Clara Nelson (~0.92 confidence) and father Albert Nelson (~0.92 confidence) and mother Agnes Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Pete Nelson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Clara Nelson
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Albert Nelson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Agnes Nelson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Nelson
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Doris Bryan
Sibling · 1940 · age 30
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
39 people indexed on this census page (nara:1940:m-t0627-01669-00366)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Blair | 30 | Wife | — | Massachusetts |
| 42 | Raymond Blair | 8 | Son | — | Massachusetts |
| 43 | John F. Terney | 28 | Head | Laborer | Massachusetts |
| 44 | Lucille Terney | 19 | Wife | — | Massachusetts |
| 46 | William J. Catherwood | 43 | Head | Building Superintendent | Georgia |
| 47 | Catherine H. Catherwood | 39 | Wife | — | Massachusetts |
| 48 | Donald P. Catherwood | 15 | Son | — | Massachusetts |
| 49 | Marjory Catherwood | 11 | Daughter | — | Massachusetts |
| 50 | Victor Parker | 67 | Head | Building Superintendent | Canada-French |
| 51 | Effie Parker | 57 | Wife | — | Canada-French |
| 52 | Bernard R. Faherty | 53 | Head | Health Inspector | Massachusetts |
| 53 | Dora Faherty | 53 | Wife | — | Massachusetts |
| 54 | Pete W. Nelson | 58 | Head | Marine Engineer | New York |
| 55 | Clara Nelson | 55 | Wife | — | Connecticut |
| 56 | Doris M. Bryan | 30 | Daughter | — | Connecticut |
| 57 | Robert E. Nelson THIS PERSON | 23 | Son | — | Massachusetts |
| 58 | Margaret E. Molloy | 71 | Head | — | Irish Free State |
| 59 | Levi Totman | 64 | Head | Salesman | California |
| 60 | Annie Totman | 56 | Wife | — | Canada-English |
| 61 | Alice Totman | 37 | Daughter | Operator | Massachusetts |
| 62 | Hazel Totman | 28 | Daughter | Switchboard Operator | Massachusetts |
| 63 | Catherine G. Gannon | 57 | Head | — | Massachusetts |
| 64 | Mary F. Merlin | 57 | Head | Supervisor | Massachusetts |
| 65 | Edward J. Jr. Merlin | 23 | Son | Assistant Cashier | Massachusetts |
| 66 | Rita M. Merlin | 20 | Daughter | Wrapper | Massachusetts |
| 67 | Jacob Rawetz | 49 | Head | Salesclerk | Russia |
| 68 | Rebecca Rawetz | 45 | Wife | — | Russia |
| 69 | Leonard Rawetz | 18 | Son | — | Massachusetts |
| 70 | Phyllis Rawetz | 13 | Daughter | — | Massachusetts |
| 71 | Nathan Lighter | 23 | Head | Assistant Buyer | Massachusetts |
| 72 | Phyllis Lighter | 22 | Wife | — | Massachusetts |
| 73 | Jack Dasich | 30 | Head | Salesman | Russia |
| 74 | Martha Dasich | 32 | Wife | — | Massachusetts |
| 75 | Graham Dasich | 1 | Son | — | Massachusetts |
| 76 | Margaret Graham | 25 | Mother-in-law | Marker | Massachusetts |
| 77 | Harold Saks | 23 | Head | Bottler | Massachusetts |
| 78 | Agnes Saks | 22 | Wife | Labeler | Massachusetts |
| 79 | Samuel Albert | 57 | Head | Stitcher | Russia |
| 80 | Bessie Albert | 52 | Wife | — | Russia |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 4 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)