MC
Margaret Collins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Margaret Collins across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Annie & George — first a daughter (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Collins |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Nurse R. N. |
| Industry | Private |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Nurse R. N. |
| Township / Ward | Worcester 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Collins | Daughter | — | 25 | ~1915 |
| George Collins | Head | — | 57 | ~1883 |
| Alice Collins | Other | — | 34 | ~1906 |
| George Collins | Son | — | 17 | ~1923 |
| Edward Collins | Son | — | 16 | ~1924 |
| Annie Collins | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Worcester, Massachusetts
Daughter, age 5
Worcester, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cullina |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Daughter, age 15
Worcester, Massachusetts · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cullina |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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
Worcester-County, Massachusetts
Daughter, age 25
Worcester-County, Massachusetts · implied b. ~1915 — 6 household members
| Surname | Collins |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Worcester City |
| 1935 Residence (County) | Worcester |
| Occupation | Nurse R. N. |
| Industry | Private |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Margaret Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Annie Collins (~0.92 confidence) and father George Cullina (~0.92 confidence) and father George Collins (~0.92 confidence) and mother Annie Cullina (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Annie Collins
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
George Cullina
b. ~1882
Source father
● Household
· direct · ~0.92
Father
George Collins
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Annie Cullina
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Collins
Daughter · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
George Collins
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Collins
Sibling · 1940 · age 16
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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01718-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joan Conrad | 9 | Daughter | — | Massachusetts |
| 42 | Sarah L. Conrad | 71 | Mother-in-law | — | Massachusetts |
| 43 | Helen R. Waldron | 36 | Head | Asst. Operator | Massachusetts |
| 44 | Herbert W. Waldron | 38 | Brother | Electrician | Massachusetts |
| 45 | Robert Waldron | 19 | Nephew | New Worker | Massachusetts |
| 46 | Herbert Waldron | 18 | Nephew | — | Massachusetts |
| 47 | Shirley M. Waldron | 17 | Niece | — | Massachusetts |
| 48 | Ruth E. Waldron | 14 | Niece | — | Massachusetts |
| 49 | Michael J. Brennan | 44 | Head | — | Massachusetts |
| 50 | A. D. Sadie Brennan | 45 | Wife | — | Maine |
| 51 | Marie L. Brennan | 21 | Daughter | Jr. Clerk | Massachusetts |
| 52 | Richard J. Brennan | 15 | Son | — | Massachusetts |
| 53 | Ruth Brennan | 13 | Daughter | — | Massachusetts |
| 54 | Robert Brennan | 3 | Son | — | Massachusetts |
| 55 | Henry M. Shaughnessy | 72 | Head | — | Massachusetts |
| 56 | Leo H. Shaughnessy | 25 | Son | Sub. Clerk | Massachusetts |
| 57 | A. William Shaughnessy | 26 | Son | — | Massachusetts |
| 58 | Russell Ayton | 26 | Head | Clerk | Massachusetts |
| 59 | Mabel G. Ayton | 26 | Wife | — | Massachusetts |
| 60 | Leslie Ayton | 1 | Son | — | Massachusetts |
| 61 | Francis Smith | 26 | Lodger | Salesman | Massachusetts |
| 62 | Dimitri Trullo | 46 | Head | Partner | Albania |
| 63 | Afrodite Trullo | 33 | Wife | — | Albania |
| 64 | Florence Trullo | 10 | Daughter | — | Massachusetts |
| 65 | Shirley Trullo | 5 | Daughter | — | Massachusetts |
| 66 | Michael Trullo | 4 | Son | — | Massachusetts |
| 67 | Michael Trullo | 86 | Father | — | Albania |
| 68 | Joseph A. Carney | 25 | Head | Gen. Clerk | Massachusetts |
| 69 | Bernadette Carney | 22 | Sister | Clerk | Massachusetts |
| 70 | Margaret Mcgourn | 66 | Aunt | — | Massachusetts |
| 71 | Julia G. Skilley | 74 | Head | — | Massachusetts |
| 72 | Mary Struthers | 78 | Sister | — | Massachusetts |
| 73 | George J. Collins | 57 | Head | Chauffeur | Massachusetts |
| 74 | Annie B. Collins | 58 | Wife | — | Massachusetts |
| 75 | Margaret A. Collins THIS PERSON | 25 | Daughter | Nurse R. N. | Massachusetts |
| 76 | George J. Jr. Collins | 17 | Son | Stock Clerk | Massachusetts |
| 77 | Edward J. Collins | 16 | Son | New Worker | Massachusetts |
| 78 | Alice E. Collins | 34 | Niece | Steno. Dept. | Massachusetts |
| 79 | Mary E. Mcdermott | 33 | Head | — | Massachusetts |
| 80 | — | None | — | — | — |
Pedigree Summary
Margaret + 2 siblings
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)