AC
Alice Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Alice Clark across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Ernest & Granville — first a spouse (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Female
Spouse
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Clark |
| Given Name | Alice O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1915 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Aurelie Clark | Daughter | — | 2 | ~1938 |
| J Clark | Head | — | 27 | ~1913 |
| Aurelie Laporte | Other | — | 75 | ~1865 |
| Alice Clark | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 16
Middlesex, Massachusetts · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 25
Middlesex-County, Massachusetts · implied b. ~1915 — 4 household members
| Surname | Clark |
| Given Name | Alice O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lowell City |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Highest Grade | No 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 Alice Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Clark (~0.92 confidence) and father Granville Clark (~0.92 confidence) and mother Margaret Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Clark
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Granville Clark
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Margaret Clark
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Clark
Spouse · 1940 · age 25 · b. ~1915 · 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-t0627-01692-00609)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cordelia Perron | 64 | Head | — | Canada-French |
| 2 | Joseph R. Gagnon | 38 | Nephew | Clerk | Canada-French |
| 3 | Vitaly Pelletier | 50 | Head | Sizer | Canada-French |
| 4 | Blanche Pelletier | 47 | Wife | Stitcher | Canada-French |
| 5 | Oliver Perron | 32 | Head | Mechanic | Canada-French |
| 6 | Alice Perron | 29 | Wife | Stitcher | Massachusetts |
| 7 | Fotis S. Karagiannis | 52 | Head | Stapler | Greece |
| 8 | Jennie Karagiannis | 47 | Wife | — | Greece |
| 9 | Mary Karagiannis | 25 | Daughter | — | Greece |
| 10 | Helen Karagiannis | 25 | Daughter | — | Greece |
| 11 | Abraham Chalifoux | 66 | Head | — | New York |
| 12 | Virginia Chalifoux | 70 | Wife | — | Canada-French |
| 13 | Madeline Chalifoux | 33 | Daughter | Machine Operator | Massachusetts |
| 14 | Antoinette Chalifoux | 31 | Daughter | Machine Operator | Massachusetts |
| 15 | Albert Poisson | 52 | Head | Watchman | Connecticut |
| 16 | Marie Poisson | 55 | Wife | — | Canada-French |
| 17 | Antonio J. Blazon | 34 | Head | Hardware Dealer | Massachusetts |
| 18 | Loretta A. Blazon | 34 | Wife | — | Massachusetts |
| 19 | Alicia Blazon | 4 | Daughter | — | Massachusetts |
| 20 | Ann Blazon | 2 | Daughter | — | Massachusetts |
| 21 | J. Arthur Clark | 27 | Head | Oiler | Massachusetts |
| 22 | Alice O. Clark THIS PERSON | 25 | Wife | — | Massachusetts |
| 23 | Aurelie B. Clark | 2 | Daughter | — | Massachusetts |
| 24 | Aurelie Laporte | 75 | Mother-in-law | — | Massachusetts |
| 25 | Edgar Lafortune | 38 | Head | Upholsterer | Massachusetts |
| 26 | Alda Lafortune | 39 | Wife | — | Massachusetts |
| 27 | Edgar Jr. Lafortune | 10 | Son | — | Massachusetts |
| 28 | Jeannette Lafortune | 8 | Daughter | — | Massachusetts |
| 29 | Maxime Lafortune | 73 | Head | — | Canada-French |
| 30 | Marie Lafortune | 65 | Wife | — | Canada-French |
| 31 | Ellen Lesté | 49 | Daughter | Laundress | Canada-French |
| 32 | Raymond Lesté | 19 | Grandson | Winder | Massachusetts |
| 33 | Arthur O. Lambert | 42 | Head | Ice Man | Maine |
| 34 | Mary Lambert | 44 | Wife | — | Michigan |
| 35 | Evelyn Lambert | 21 | Daughter | — | Massachusetts |
| 36 | Rita Lambert | 19 | Daughter | Sewer | Massachusetts |
| 37 | Gerald Lambert | 14 | Son | — | Massachusetts |
| 38 | George Lambert | 6 | Son | — | Massachusetts |
| 39 | Caroline Turcotte | 69 | Head | — | Canada-French |
| 40 | Francis Turcotte | 53 | Son-in-law | Painter | Massachusetts |
Pedigree Summary
Alice
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)