DC
Donald Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this Donald Clark across the 1920, 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed), with identified parents George & George — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Connecticut
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Clark |
| Given Name | Donald A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | East Longmeadow |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Occupation | Book Keeper |
| Industry | bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Book Keeper |
| Township / Ward | East Longmeadow |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Alice Clark | Daughter | — | 28 | ~1912 |
| Donald Clark | Son | — | 26 | ~1914 |
| Marion Clark | Daughter | — | 32 | ~1908 |
| George Clark | Head | — | 56 | ~1884 |
| Ruby Clark | Spouse | — | 55 | ~1885 |
| Deane Clark | Son | — | 25 | ~1915 |
Census Appearances
1920
Hampden, Massachusetts
Son, age 6
Hampden, Massachusetts · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Donald J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Speaks English | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Hampden, Massachusetts
Son, age 16
Hampden, Massachusetts · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Donald G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Hampden-County, Massachusetts
Son, age 26
Hampden-County, Massachusetts · implied b. ~1914 — 6 household members
| Surname | Clark |
| Given Name | Donald A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Connecticut |
| 1935 Residence (City) | East Longmeadow |
| 1935 Residence (County) | Hampden |
| Occupation | Book Keeper |
| Industry | bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | C 4 |
| 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 Donald Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Clark (~0.92 confidence) and father George Clark (~0.92 confidence) and father George Clark (~0.92 confidence) and mother Ruby Clark (~0.92 confidence) and mother Ruby Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Clark
b. ~1884
Source father
● Household
· direct · ~0.92
Father
George Clark
b. ~1884
Source father
● Household
· direct · ~0.92
Father
George Clark
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ruby Clark
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Ruby Clark
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Clark
Son · 1940 · age 26 · b. ~1914 · Massachusetts
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Sibling
Marion Clark
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Clark
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Deane Clark
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01594-00665)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sandra Cronk | 1 | daughter | — | Massachusetts |
| 2 | Frank Henderson | 40 | Head | Route Foreman | Massachusetts |
| 3 | Olga Henderson | 39 | wife | — | Massachusetts |
| 4 | Son Wilson | 9 | son | — | Massachusetts |
| 5 | Barbara Wilson | 65 | mother-in-law | — | Austria |
| 6 | Leonard Wagner | 29 | Head | Manager | Massachusetts |
| 7 | Bertha Wagner | 31 | wife | — | Massachusetts |
| 8 | Betty Ann Wagner | 2 | daughter | — | Massachusetts |
| 9 | Chester Howard | 53 | Head | — | Kentucky |
| 10 | Jane M. Howard | 48 | wife | Nurse | Massachusetts |
| 11 | Lorraine Howard | 19 | daughter | — | Massachusetts |
| 12 | George A. Clark | 56 | Head | Contractor | Massachusetts |
| 13 | Ruby M. Clark | 55 | wife | — | Massachusetts |
| 14 | Marion L. Clark | 32 | daughter | Music Teacher | Massachusetts |
| 15 | Alice A. Clark | 28 | daughter | Commercial Teacher | Massachusetts |
| 16 | Donald A. Clark THIS PERSON | 26 | son | Book Keeper | Connecticut |
| 17 | Deane S. Clark | 25 | son | Book Keeper | Connecticut |
| 18 | Lloyd S. Corbett | 41 | Head | Draftsman | Massachusetts |
| 19 | Mary B. Corbett | 32 | wife | — | Canada |
| 20 | Marilyn R. Corbett | 3 | daughter | — | Massachusetts |
| 21 | Arthur Johnson | 42 | Head | Route Salesman | Massachusetts |
| 22 | Elizabeth Johnson | 42 | wife | — | Maine |
| 23 | Constance Johnson | 11 | daughter | — | Massachusetts |
| 24 | Dorothy Johnson | 5 | daughter | — | Massachusetts |
| 25 | Venetta Sawyer | 62 | boarder | Nurse | Maine |
| 26 | Anne Halverson | 63 | Head | — | Norway |
| 27 | Frank Halverson | 37 | son | Laborer & Trucker | Norway |
| 28 | G. B. Robinson | 64 | Head | — | Massachusetts |
| 29 | Stuart Robinson | 27 | son | Truck Driver | Massachusetts |
| 30 | Hector Bernier | 40 | Head | General Worker | Canada |
| 31 | Claire Bernier | 34 | wife | — | Massachusetts |
| 32 | Albertine Bernier | 8 | daughter | — | Massachusetts |
| 33 | Rosalie Bernier | 5 | daughter | — | Massachusetts |
| 34 | Jeanine Bernier | 4 | daughter | — | Massachusetts |
| 35 | Rolland Bernier | 2 | son | — | Massachusetts |
| 36 | Herbert Andrew | 54 | Head | Butcher | Connecticut |
| 37 | Clifford Pease | 32 | son-in-law | Butcher | Massachusetts |
| 38 | Virginia Pease | 23 | daughter | Housework | Massachusetts |
| 39 | Barbara Pease | 17 | daughter | — | Massachusetts |
| 40 | Herbert Pease | 15 | son | — | Massachusetts |
Related Census Records
Pedigree Summary
Donald + 3 siblings
Gen 1 · 5 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)