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 James — first a spouse (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
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 | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Medford City |
| Est. Birth Year | ~1911 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Robert Collins | Son | — | 5 | ~1935 |
| Dorothy Collins | Spouse | — | 29 | ~1911 |
| Carolyn Collins | Daughter | — | 6 | ~1934 |
| Mabel Fross | Other | — | 35 | ~1905 |
| Osman Collins | Head | — | 37 | ~1903 |
| Richard Collins | Son | — | 8 | ~1932 |
Census Appearances
1920
Middlesex, Massachusetts
Other, age 7
Middlesex, Massachusetts · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| 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 18
Middlesex, Massachusetts · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Dorothy E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| 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 29
Middlesex-County, Massachusetts · implied b. ~1911 — 6 household members
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 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 Dorothy Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Collins (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Collins
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Collins
Spouse · 1940 · age 29 · b. ~1911 · 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
39 people indexed on this census page (nara:1940:m-t0627-01611-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Parker Ingalls | 39 | Head | Time Keeper | Massachusetts |
| 42 | Mary S. Ingalls | 33 | Wife | — | Massachusetts |
| 43 | Mabel Ingalls | 14 | Daughter | — | Massachusetts |
| 44 | Mary C. Ingalls | 79 | Mother | — | Massachusetts |
| 45 | Lewis Stowe | 37 | Head | Asst Superintendent | Maine |
| 46 | Louise S. Stowe | 32 | Wife | — | Massachusetts |
| 47 | Doreen Stowe | 7 | Daughter | — | Massachusetts |
| 48 | Lewis Stowe | 2 | Son | — | Massachusetts |
| 49 | Samuel Spaulding | 58 | Head | Steam Fitter | New Hampshire |
| 50 | Mabel S. Spaulding | 55 | Wife | — | Massachusetts |
| 51 | George Spaulding | 27 | Son | Core Maker | Massachusetts |
| 52 | Vivian Spaulding | 1 | Granddaughter | — | Illinois |
| 53 | George Rennie | 62 | Head | Carpenter | Scotland |
| 54 | Mary S. Rennie | 58 | Wife | — | Scotland |
| 55 | William Gray | 56 | Head | Truck Driver | Scotland |
| 56 | Jane S. Gray | 53 | Wife | — | Scotland |
| 57 | William J. Gray | 24 | Son | Truck Driver | Massachusetts |
| 58 | Jane E. Gray | 19 | Daughter | New Worker | Massachusetts |
| 59 | Charles Gray | 16 | Son | — | Massachusetts |
| 60 | Osman Collins | 37 | Head | Shipper | Canada-English |
| 61 | Dorothy Collins THIS PERSON | 29 | Wife | — | Massachusetts |
| 62 | Richard Collins | 8 | Son | — | Massachusetts |
| 63 | Carolyn Collins | 6 | Daughter | — | Massachusetts |
| 64 | Robert Collins | 5 | Son | — | Massachusetts |
| 65 | Mabel S. Fross | 35 | Sister-in-law | Bookkeeper | Massachusetts |
| 66 | Eugene Parsons | 56 | Head | Edge Trimmer | Newfoundland |
| 67 | Isabella Parsons | 55 | Wife | — | Newfoundland |
| 68 | Thomas Parsons | 27 | Son | Insurance Agent | Massachusetts |
| 69 | Hamlyn Parsons | 29 | Son | Shoe Cutter | Massachusetts |
| 70 | Alexander Russell | 57 | Head | Brick-Layer | Scotland |
| 71 | Sarah Russell | 57 | Wife | — | Scotland |
| 72 | Helen Russell | 21 | Daughter | Waitress | Massachusetts |
| 73 | Lillian Russell | 17 | Daughter | Office Girl | Massachusetts |
| 74 | William Meehan | 70 | Head | — | Ireland |
| 75 | Mary Meehan | 66 | Wife | — | Ireland |
| 76 | Ellen Meehan | 43 | Daughter | Feed Maker | Massachusetts |
| 77 | Ann Meehan | 34 | Daughter | Stenographer | Massachusetts |
| 78 | James Meehan | 25 | Son | Gas Attendant | Massachusetts |
| 79 | Joseph Meehan | 19 | Son | Painter | Massachusetts |
Pedigree Summary
Dorothy
Gen 1 · 1 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)