DC
Dorothy Collins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Dorothy Collins across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Henry & Sarah — first a spouse (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Bangor |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Maine |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Cambridge City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Charles Collins | Head | — | 34 | ~1906 |
| Dorothy Collins | Spouse | — | 34 | ~1906 |
| Charles Collins | Son | — | 2 | ~1938 |
| Marie Collins | Daughter | — | 1 | ~1939 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 12
Middlesex, Massachusetts · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 23
Middlesex, Massachusetts · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Dorothy G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Mass |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 34
Middlesex-County, Massachusetts · implied b. ~1906 — 4 household members
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Bangor |
| Highest Grade | No 7 |
| 1935 Residence | Maine |
| 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 Dorothy Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Collins (~0.92 confidence) and mother Sarah Collins (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Collins
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Sarah Collins
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Collins
Spouse · 1940 · age 34 · b. ~1906 · 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-t0627-01684-00347)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dudley Scott | 40 | Head | Foreman | N. Carolina |
| 2 | Bennie Scott | 34 | Wife | — | N. Carolina |
| 3 | Dudley E Scott | 18 | Son | — | N. Carolina |
| 4 | Robert Scott | 16 | Son | — | Massachusetts |
| 5 | Gladys Scott | 13 | Daughter | — | Massachusetts |
| 6 | John Marshall | 23 | Head | Waiter | Massachusetts |
| 7 | Mary Marshall | 23 | Wife | — | Massachusetts |
| 8 | Edgar Warner | 29 | Brother | Mechanic | Massachusetts |
| 9 | Malcolm Coley | 32 | Head | Messenger | Massachusetts |
| 10 | Marie Coley | 27 | Wife | Maid | Massachusetts |
| 11 | Carroll Kiner | 33 | Head | Painter | Massachusetts |
| 12 | Ella Kiner | 28 | Wife | — | Virginia |
| 13 | Caroline Kiner | 3 | Daughter | — | Massachusetts |
| 14 | Louis Hawkins | 29 | Head | Mechanic | Virginia |
| 15 | Faith Hawkins | 25 | Wife | Cook | Massachusetts |
| 16 | John Zollbrecht | 33 | Head | Baker | New Jersey |
| 17 | Pauline Zollbrecht | 23 | Wife | — | Germany |
| 18 | John P. Zollbrecht | 3 | Son | — | New York |
| 19 | Edward Stewart | 36 | Head | Carpenter | Canada |
| 20 | Christine Stewart | 31 | Wife | — | Canada |
| 21 | Marion Stewart | 8 | Daughter | — | Massachusetts |
| 22 | Myrtle Stewart | 6 | Daughter | — | Massachusetts |
| 23 | Jennie Stewart | 5 | Daughter | — | Massachusetts |
| 24 | Clara Stewart | 4 | Daughter | — | Massachusetts |
| 25 | Christine Stewart | 3 | Daughter | — | Massachusetts |
| 26 | Edward Stewart | 2 | Son | — | Massachusetts |
| 27 | David Stewart | 0 | Infant Son | — | Massachusetts |
| 28 | James J Osborne | 41 | Head | Laborer | Massachusetts |
| 29 | Estelle Osborne | 40 | Wife | — | Canada |
| 30 | Shirley Osborne | 13 | Daughter | — | Massachusetts |
| 31 | Thomas Osborne | 12 | Son | — | Massachusetts |
| 32 | Patricia Osborne | 10 | Daughter | — | Massachusetts |
| 33 | Lorraine Osborne | 6 | Daughter | — | Massachusetts |
| 34 | Gordon Smith | 34 | Lodger | Mechanic | Massachusetts |
| 35 | Charles F Collins | 34 | Head | Laborer | Maine |
| 36 | Dorothy Collins THIS PERSON | 34 | Wife | — | Massachusetts |
| 37 | Charles Collins | 2 | Son | — | Massachusetts |
| 38 | Marie Collins | 1 | Daughter | — | Massachusetts |
| 39 | George Roxborough | 32 | Head | Laborer | Maine |
| 40 | Mabel Roxborough | 34 | Wife | — | Massachusetts |
Pedigree Summary
Dorothy
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)