RB
Robert Bell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Bell across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Conrad & Florence — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Bell |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelmsford |
| Additional Details | |
| Occupation | Janitor |
| Industry | Hews Electric |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Janitor |
| Township / Ward | Nabnasset |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| Robert Bell | Head | — | 27 | ~1913 |
| Robert Bell | Son | — | 3 | ~1937 |
| Regina Bell | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 7
Middlesex, Massachusetts · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Vermont |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 18
Middlesex, Massachusetts · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bell |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Vermont |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 27
Middlesex-County, Massachusetts · implied b. ~1913 — 3 household members
| Surname | Bell |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Chelmsford |
| Occupation | Janitor |
| Industry | Hews Electric |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 300 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| 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 Bell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Conrad Bell (~0.92 confidence) and mother Florence Bell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Conrad Bell
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Florence Bell
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Bell
Head · 1940 · age 27 · b. ~1913 · Massachusetts
★ 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01621-00342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gloria Heald | 18 | daughter | — | Nova Scotia |
| 2 | Arthur Heald | 15 | Son | — | Nova Scotia |
| 3 | Leo F Patenaude | 42 | Head | Laborer | Massachusetts |
| 4 | Gladys M Patenaude | 27 | Wife | — | Massachusetts |
| 5 | Mary G Patenaude | 5 | daughter | — | Massachusetts |
| 6 | Leo F Jr Patenaude | 4 | Son | — | Massachusetts |
| 7 | Lois F Patenaude | 4 | daughter | — | Massachusetts |
| 8 | Carol Patenaude | 1 | daughter | — | Massachusetts |
| 9 | William Wyman | 69 | Head | Engineer | New York |
| 10 | Susie Wheeler | 75 | Servant | Maid | Canada |
| 11 | William H Wheeler | 52 | Lodger | Laborer | Massachusetts |
| 12 | Clifford S Wheeler | 50 | Hired hand | Laborer | Massachusetts |
| 13 | Herman Todd | 56 | Head | Blacksmith | New Hampshire |
| 14 | Susan Todd | 41 | Wife | — | New Brunswick |
| 15 | Harold A Corkery | 40 | Head | Boiler Maker | Massachusetts |
| 16 | Florence I Corkery | 40 | Wife | — | Massachusetts |
| 17 | Rosamond Corkery | 14 | daughter | — | Massachusetts |
| 18 | Adriann Corkery | 3 | daughter | — | Massachusetts |
| 19 | Herbert Fletcher | 77 | Head | Engineer | Massachusetts |
| 20 | Ernest D Scribner | 54 | Son in law | Lumber Man | Massachusetts |
| 21 | Hazel F Scribner | 42 | daughter | — | Massachusetts |
| 22 | Alma Benner | 32 | servant | Maid | Massachusetts |
| 23 | Filippo Rossetti | 48 | Head | Laborer | Italy |
| 24 | Robert Bell THIS PERSON | 27 | Head | Janitor | Massachusetts |
| 25 | Regina Bell | 21 | wife | — | Massachusetts |
| 26 | Robert Bell | 3 | Son | — | Massachusetts |
| 27 | William Flynn | 65 | Head | Farmer | Massachusetts |
| 28 | Daniel H Shea | 75 | Head | — | Massachusetts |
| 29 | Oliver Robinson | 25 | Head | Laborer | Massachusetts |
| 30 | Catharine Robinson | 20 | Wife | — | Massachusetts |
| 31 | Barbara Robinson | 2 | daughter | — | Massachusetts |
| 32 | Walter Jensa | 21 | Head | Laborer | Massachusetts |
| 33 | Virginia Jensa | 18 | Wife | — | Massachusetts |
| 34 | Bernard Jensa | 1 | Son | — | Massachusetts |
| 35 | Cecil J Norwin | 42 | Head | Machinist | England |
| 36 | Ruth V Norwin | 40 | Wife | — | Massachusetts |
| 37 | Lester J Riddle | 64 | Head | Laborer | New York |
| 38 | Arthur J Deforge | 29 | Head | Assistant Painter | Massachusetts |
| 39 | Eva A Deforge | 24 | Wife | Clerk | Massachusetts |
| 40 | Line Extra | None | — | — | — |
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)