RS
Robert Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Robert Simpson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Rose & George — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Simpson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Arlington |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Shipper |
| Industry | Chemical Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 226 |
| Highest Grade | C-2 |
| 1935 Residence | Same Place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Shipper |
| Township / Ward | Arlington |
| 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 |
|---|---|---|---|---|
| Andrea Simpson | Daughter | — | 1 | ~1939 |
| Robert Simpson | Head | — | 27 | ~1913 |
| Florence Simpson | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 7
Middlesex, Massachusetts · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Robert G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Berlin, Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Middlesex, Massachusetts
Son, age 17
Middlesex, Massachusetts · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Middlesex-County, Massachusetts
Head, age 27
Middlesex-County, Massachusetts · implied b. ~1913 — 3 household members
| Surname | Simpson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Arlington |
| 1935 Residence (County) | Middlesex |
| Occupation | Shipper |
| Industry | Chemical Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 226 |
| Highest Grade | C-2 |
| 1935 Residence | Same Place |
| 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 Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rose Simpson (~0.92 confidence) and father George Simpson (~0.92 confidence) and mother Sarah Simpson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rose Simpson
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
George Simpson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Sarah Simpson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Simpson
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-t0627-01601-00119)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Campbell | 22 | Son | Helper | Massachusetts |
| 2 | Paul R Campbell | 20 | Son | Laborer | Massachusetts |
| 3 | Harry H Campbell | 19 | Son | Laborer | Massachusetts |
| 4 | Eleanor Campbell | 16 | Daughter | — | Massachusetts |
| 5 | Joan Campbell | 14 | Daughter | — | Massachusetts |
| 6 | John R Campbell | 5 | Son | — | Massachusetts |
| 7 | Sheldon Johnson | 28 | Head | Receiver | Maine |
| 8 | Edith Johnson | 32 | Wife | — | Massachusetts |
| 9 | Delores Johnson | 2 | Daughter | — | Massachusetts |
| 10 | Charles P Scanlan | 33 | Head | Maintenance | Massachusetts |
| 11 | Mary E Scanlan | 34 | Wife | — | Massachusetts |
| 12 | Thomas F Scanlan | 5 | Son | — | Massachusetts |
| 13 | Charles P Jr Scanlan | 2 | Son | — | Massachusetts |
| 14 | Otis D Short | 45 | Head | Paper Hanger | New Brunswick |
| 15 | Gertrude Short | 44 | Wife | — | Nova Scotia |
| 16 | Carl Short | 10 | Son | — | Massachusetts |
| 17 | Bertha Bannister | 70 | Mother-in-law | — | Nova Scotia |
| 18 | Robert Flanders | 45 | Head | Railway Mail | New Hampshire |
| 19 | Myrtle Flanders | 47 | Wife | — | New Hampshire |
| 20 | Barbara Flanders | 15 | Daughter | — | New Hampshire |
| 21 | Evelyn Taylor | 24 | Step-daughter | Waitress | New Hampshire |
| 22 | William H Lantz | 71 | Head | Tinsmith | Nova Scotia |
| 23 | Alice M Lantz | 66 | Wife | — | Nova Scotia |
| 24 | Maud Lantz | 38 | Daughter | Postal Clerk | Massachusetts |
| 25 | Lucella Lantz | 15 | Daughter | — | Massachusetts |
| 26 | Robert Simpson THIS PERSON | 27 | Head | Shipper | Connecticut |
| 27 | Florence Simpson | 25 | Wife | — | Massachusetts |
| 28 | Andrea Simpson | 1 | Daughter | — | Massachusetts |
| 29 | George E Barker | 73 | Head | Machinist | Massachusetts |
| 30 | Catherine L Barker | 76 | Wife | — | England |
| 31 | Roy Farmer | 44 | Head | Painter | Maine |
| 32 | Earl Farmer | 32 | Brother | Painter | Maine |
| 33 | Ethelyn Farmer | 23 | Sister | Housekeeper | Maine |
| 34 | Flora D E Farmer | 63 | Mother | — | Maine |
| 35 | Kenneth Mead | 35 | Head | Farmer | Massachusetts |
| 36 | Alice Mead | 26 | Wife | — | Newfoundland |
| 37 | Kenneth Mead | 1 | Son | — | Massachusetts |
| 38 | George Mead | 69 | Head | Farmer | Massachusetts |
| 39 | Mary E Mead | 32 | Daughter | — | Massachusetts |
| 40 | Anna C Mead | 30 | Daughter | Bill Clerk | Massachusetts |
Pedigree Summary
Robert
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)