DC
Doris Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Doris Clark across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 7-person household.
Age 34
b. ~1906
Female
Spouse
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Clark |
| Given Name | Doris |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | City of Lowell |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | City Of Lowell |
| Est. Birth Year | ~1906 |
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 Doris | Age | Birth yr |
|---|---|---|---|---|
| Eileen Clark | Daughter | — | 7 | ~1933 |
| Doris Clark | Daughter | — | 3 | ~1937 |
| Richard Clark | Head | — | 37 | ~1903 |
| Mary Clark | Daughter | — | 10 | ~1930 |
| Timothy Clark | Son | — | 4 | ~1936 |
| Doris Clark | Spouse | — | 34 | ~1906 |
| Richard Clark | Son | — | 14 | ~1926 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 24
Middlesex, Massachusetts · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Doris |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 19 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Canada-English |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Middlesex-County, Massachusetts
Spouse, age 34
Middlesex-County, Massachusetts · implied b. ~1906 — 7 household members
| Surname | Clark |
| Given Name | Doris |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | City of Lowell |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Doris Clark
Spouse · 1940 · age 34 · b. ~1906 · Massachusetts
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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-t0627-01692-00296)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Mello | 49 | Head | Truck Driver | Portugal |
| 42 | Christina Mello | 40 | Wife | — | Portugal |
| 43 | Madeline Mello | 19 | Daughter | Cleaner | Massachusetts |
| 44 | Mary Mello | 18 | Daughter | View Maker | Massachusetts |
| 45 | Daniel Mello | 13 | Son | — | Massachusetts |
| 46 | Leo Mello | 11 | Son | — | Massachusetts |
| 47 | Henry Mello | 10 | Son | — | Massachusetts |
| 48 | Theresa Mello | 7 | Daughter | — | Massachusetts |
| 49 | Gilbert Lepene | 45 | Head | Bus Driver | Massachusetts |
| 50 | Harriet Lepene | 43 | Wife | — | New Hampshire |
| 51 | Natalie Lepene | 17 | Daughter | Housework | Massachusetts |
| 52 | Warren Lepene | 16 | Son | — | Massachusetts |
| 53 | Lois Lepene | 13 | Daughter | — | Massachusetts |
| 54 | Mary Lepene | 10 | Daughter | — | Massachusetts |
| 55 | Elizabeth Schramm | 71 | Head | — | Germany |
| 56 | Fred Jr. Partington | 37 | Head | Corduroy Cutter | England |
| 57 | Hazel Partington | 37 | Wife | Beamer | Maine |
| 58 | Laura Partington | 15 | Daughter | — | Massachusetts |
| 59 | Fred Jr. Partington | 13 | Son | — | Massachusetts |
| 60 | John Partington | 12 | Son | — | Massachusetts |
| 61 | William Partington | 10 | Son | — | Massachusetts |
| 62 | Hazele Partington | 8 | Daughter | — | Massachusetts |
| 63 | Wyman Partington | 6 | Son | — | Massachusetts |
| 64 | Edwin J. Lewis | 31 | Head | Pressman | Massachusetts |
| 65 | Blanche Lewis | 36 | Wife | — | New Hampshire |
| 66 | Edward Lewis | 3 | Son | — | Massachusetts |
| 67 | Richard Clark | 37 | Head | Laborer | Massachusetts |
| 68 | Doris Clark THIS PERSON | 34 | Wife | — | New Hampshire |
| 69 | Richard J. Clark | 14 | Son | — | Massachusetts |
| 70 | Mary C. Clark | 10 | Daughter | — | Massachusetts |
| 71 | Eileen P. Clark | 7 | Daughter | — | Massachusetts |
| 72 | Timothy H. Clark | 4 | Son | — | Massachusetts |
| 73 | Doris T. Clark | 3 | Daughter | — | Massachusetts |
| 74 | John Souza | 36 | Head | Laborer | Massachusetts |
| 75 | Mary Souza | 38 | Wife | — | Portugal |
| 76 | John J. Souza | 11 | Son | — | Massachusetts |
| 77 | Manuel Souza | 10 | Son | — | Massachusetts |
| 78 | Elsie Souza | 8 | Daughter | — | Massachusetts |
| 79 | George Souza | 7 | Son | — | Massachusetts |
| 80 | James Souza | 5 | Son | — | Massachusetts |
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)