DC
Dorothy Collins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Dorothy Collins across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill city |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | registered nurse |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 356 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Registered Nurse |
| Township / Ward | Haverhill City |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| James Collins | Head | — | 60 | ~1880 |
| Dorothy Collins | Daughter | — | 30 | ~1910 |
| Caroline Collins | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Essex, Massachusetts
Daughter, age 10
Essex, Massachusetts · implied b. ~1910 — 5 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 | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Daughter, age 20
Essex, Massachusetts · implied b. ~1910 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Dorothy L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Occupation | Student |
| Industry | Nurse |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 30
Essex-County, Massachusetts · implied b. ~1910 — 3 household members
| Surname | Collins |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Haverhill city |
| 1935 Residence (County) | Essex |
| Occupation | registered nurse |
| Industry | private family |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 356 |
| 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) and father James Collins (~0.92 confidence) and mother Caroline Collins (~0.92 confidence) and mother Caroline Collins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Collins
b. ~1880
Source father
● Household
· direct · ~0.92
Father
James Collins
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Caroline Collins
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Caroline Collins
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Collins
Daughter · 1940 · age 30 · b. ~1910 · 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01581-00551)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lorraine M. Dillon | 10 | daughter | — | Massachusetts |
| 42 | Peter Tomino | 36 | head | Milk (Retail) Salesman | Canada-English |
| 43 | Marie Tomino | 37 | wife | — | Massachusetts |
| 44 | Kevin Tomino | 7 | son | — | Massachusetts |
| 45 | Brendan Tomino | 5 | son | — | Massachusetts |
| 46 | Patricia Tomino | 3 | daughter | — | Massachusetts |
| 47 | John Tomino | 1 | son | — | Massachusetts |
| 48 | Albert Teichman | 62 | head | Barber | Massachusetts |
| 49 | Lena Teichman | 70 | wife | — | Germany |
| 50 | Charles Vaughan | 42 | head | Standard Oil | Massachusetts |
| 51 | Elsie Vaughan | 42 | wife | — | Massachusetts |
| 52 | George Hartford | 21 | step-son | Inside Porter | Massachusetts |
| 53 | Jeremiah Vaughan | 75 | head | — | Eire |
| 54 | Stanley Hinkson | 32 | head | Machinist Helper | Massachusetts |
| 55 | Pauline Hinkson | 32 | wife | — | Massachusetts |
| 56 | Mary Manning | 76 | head | — | Maine |
| 57 | Mary E. Manning | 55 | daughter | French Cord Stitcher | Maine |
| 58 | Alice Manning | 41 | daughter | Clerk Department Store | Maine |
| 59 | Henry Emise | 40 | head | Short Order Cook | Massachusetts |
| 60 | William Connelly | 46 | head | Cook | New Hampshire |
| 61 | Margaret Connelly | 38 | wife | — | New Hampshire |
| 62 | Henry Connell | 56 | head | Post Office Clerk | Massachusetts |
| 63 | Ida Connell | 53 | wife | — | Massachusetts |
| 64 | Marie Fogg | 53 | head | — | Massachusetts |
| 65 | Elise Celina Fogg | 79 | mother | — | Canada-French |
| 66 | William Jackman | 35 | head | Grocery Clerk | Massachusetts |
| 67 | Margaret Jackman | 28 | wife | — | Massachusetts |
| 68 | Lillian Jackman | 10 | daughter | — | Massachusetts |
| 69 | Helen Jackman | 9 | daughter | — | Massachusetts |
| 70 | Virginia Jackman | 8 | daughter | — | Massachusetts |
| 71 | Margaret E. Jackman | 6 | daughter | — | Massachusetts |
| 72 | George Cummings | 62 | father-in-law | Groover | Massachusetts |
| 73 | James Collins | 60 | head | Barber | Maine |
| 74 | Caroline Collins | 57 | wife | — | Massachusetts |
| 75 | Dorothy Collins THIS PERSON | 30 | daughter | Registered Nurse | Massachusetts |
| 76 | Fred E. Coty | 60 | head | Letter Carrier | New Hampshire |
| 77 | Mary Coty | 60 | wife | — | New Hampshire |
| 78 | Lucille Moreau | 17 | niece | — | New Hampshire |
| 79 | Lewis G. Horey | 66 | head | Publisher Newspaper | Massachusetts |
| 80 | Helen B. Horey | 63 | wife | — | Massachusetts |
Pedigree Summary
Dorothy
Gen 1 · 4 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)