DS
Doris Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Doris Smith across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Chester & Gertrude — first a spouse (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Smith |
| Given Name | Doris E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Needham |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1910 |
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 Doris | Age | Birth yr |
|---|---|---|---|---|
| Gordon Smith | Head | — | 34 | ~1906 |
| Frank Smith | Son | — | 9 | ~1931 |
| Doris Smith | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 9
Middlesex, Massachusetts · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Doris E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 20
Middlesex, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Doris E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 20 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 30
Middlesex-County, Massachusetts · implied b. ~1910 — 3 household members
| Surname | Smith |
| Given Name | Doris E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Needham |
| 1935 Residence (County) | Norfolk |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Doris Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chester Smith (~0.92 confidence) and mother Gertrude Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chester Smith
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Gertrude Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Doris Smith
Spouse · 1940 · age 30 · b. ~1910 · 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
38 people indexed on this census page (nara:1940:m-t0627-01704-00167)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret A Mahoney | 45 | Wife | — | Eire |
| 42 | Francis Mahoney | 10 | Son | — | Eire |
| 43 | Mary Dewhurst | 20 | Lodger | Saleslady | Massachusetts |
| 44 | John Murphy | 57 | Brother in law | Inspector | Eire |
| 45 | Daniel J Hooker | 66 | Head | Machinist | Vermont |
| 46 | Althea O Hooker | 57 | Wife | — | New York |
| 47 | Mildred Herman | 15 | Lodger | — | Massachusetts |
| 49 | Thomas H Pattern | 50 | Head | Manager | Georgia |
| 50 | Felix Pattern | 42 | Wife | — | Massachusetts |
| 51 | Thomas J Pattern | 11 | Son | — | Massachusetts |
| 52 | Olivia P Lundgren | 80 | Head | — | Sweden |
| 53 | Gordon Smith | 34 | Head | Machinist | Massachusetts |
| 54 | Doris E Smith THIS PERSON | 30 | Wife | — | Massachusetts |
| 55 | Frank Smith | 9 | Son | — | Massachusetts |
| 56 | Archie Anarchy | 36 | Head | Shipper | Massachusetts |
| 57 | Mary Anarchy | 34 | Wife | — | Massachusetts |
| 58 | Frederick Anarchy | 3 | Son | — | Massachusetts |
| 59 | Ernest Kaurie | 30 | Head | Mechanic | Canada English |
| 60 | Margaret Kaurie | 40 | Wife | — | Canada English |
| 61 | Phyllis Kaurie | 5 | Daughter | — | Massachusetts |
| 62 | Michael Mierzbiski | 50 | Head | Laborer | Poland |
| 63 | Bertha Mierzbiski | 47 | Wife | — | Poland |
| 64 | Virginia Mierzbiski | 15 | Daughter | — | Massachusetts |
| 65 | Francis J Kearns | 27 | Head | Engineer | Massachusetts |
| 66 | Mary Kearns | 29 | Wife | — | New York |
| 67 | Joseph Kaly | 41 | Head | Weigher | Canada English |
| 68 | Marion Kaly | 34 | Wife | Saleslady | Canada English |
| 69 | Lucy Fife | 32 | Sister in law | — | Canada English |
| 70 | Herman A Bell | 45 | Head | Wood Carver | Germany |
| 71 | Minnie E Bell | 40 | Wife | — | Germany |
| 72 | Guy L Jr Perry | 20 | Head | Stock Clerk | Massachusetts |
| 73 | Lillian Perry | 19 | Wife | — | Massachusetts |
| 74 | Martha S Cole | 58 | Head | — | Massachusetts |
| 75 | Mildred M Cole | 23 | Daughter | Secretary | Massachusetts |
| 76 | Alfred H Cole | 16 | Son | — | Massachusetts |
| 77 | Barry Sweatt | 5 | Lodger | — | Massachusetts |
| 78 | William A Mulvihill | 59 | Head | Salesman | Massachusetts |
| 79 | Catherine Mulvihill | 58 | Wife | — | Massachusetts |
Pedigree Summary
Doris
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)