AC
Anna Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Anna Collins across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Collins |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1926 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Joseph Collins | Head | — | 46 | ~1894 |
| John Collins | Son | — | 16 | ~1924 |
| Patrick Collins | Other | — | 80 | ~1860 |
| Robert Collins | Son | — | 8 | ~1932 |
| Helena Collins | Spouse | — | 43 | ~1897 |
| Joseph Collins | Son | — | 17 | ~1923 |
| Anna Collins | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Middlesex, Massachusetts
Daughter, age 4
Middlesex, Massachusetts · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Ann M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 14
Middlesex-County, Massachusetts · implied b. ~1926 — 7 household members
| Surname | Collins |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | 8 |
| 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 Anna Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Anna Collins
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
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Sibling
Robert Collins
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Collins
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John 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 — 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-t0627-01703-00783)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Christos Mankara | 25 | Head | Clerk | Greece |
| 2 | Mary Mankara | 23 | Wife | — | Massachusetts |
| 3 | Infant Mankara | 0 | Daughter | — | Massachusetts |
| 4 | Frederick Lussenberger | 27 | Head | Printer | Massachusetts |
| 5 | Elizabeth Lussenberger | 28 | Wife | — | Canada Eng |
| 6 | Frederick Jr. Lussenberger | 1 | Son | — | Massachusetts |
| 7 | Karl Lussenberger | 65 | Head | Baker | Germany |
| 8 | Elizabeth Lussenberger | 64 | Wife | — | Germany |
| 9 | Carl Lussenberger | 38 | Son | Proprietor | England |
| 10 | George Lussenberger | 29 | Son | Plumber | Massachusetts |
| 11 | John Macgregor | 58 | Head | Carpenter | Canada Eng |
| 12 | Henrietta Macgregor | 50 | Wife | — | Massachusetts |
| 13 | Lillian Macgregor | 16 | Daughter | — | Massachusetts |
| 14 | Richard Hunter | 27 | Head | Selector | Massachusetts |
| 15 | Rhoda Hunter | 27 | Wife | — | Canada Eng |
| 16 | Richard Jr. Hunter | 5 | Son | — | Massachusetts |
| 17 | Robert Hunter | 4 | Son | — | Massachusetts |
| 18 | Ronald Hunter | 1 | Son | — | Massachusetts |
| 19 | Esther Sayles | 31 | Head | Housekeeper | Massachusetts |
| 20 | Helen Sayles | 14 | Daughter | — | Massachusetts |
| 21 | Mary Lynch | 70 | Head | — | Massachusetts |
| 22 | Margaret Lynch | 29 | Daughter | Dictaphone Operator | Massachusetts |
| 23 | John O'Brien | 51 | Head | Salesman | Massachusetts |
| 24 | Margaret O'Brien | 47 | Wife | — | Massachusetts |
| 25 | Mary O'Brien | 24 | Daughter | Clerk | Massachusetts |
| 26 | Helen O'Brien | 23 | Daughter | Clerk | Massachusetts |
| 27 | John O'Brien | 20 | Son | New Worker | Massachusetts |
| 28 | William O'Brien | 17 | Son | — | Massachusetts |
| 29 | Joseph Collins | 46 | Head | Clerk | Massachusetts |
| 30 | Helena Collins | 43 | Wife | — | Massachusetts |
| 31 | Joseph P. Collins | 17 | Son | — | Massachusetts |
| 32 | John A. Collins | 16 | Son | — | Massachusetts |
| 33 | Anna Collins THIS PERSON | 14 | Daughter | — | Massachusetts |
| 34 | Robert Collins | 8 | Son | — | Massachusetts |
| 35 | Patrick Collins | 80 | Father | — | Eire |
| 36 | Arthur W. Ford | 44 | Head | Clerk | Massachusetts |
| 37 | Ruth Ford | 36 | Wife | — | Massachusetts |
| 38 | Helen Ford | 17 | Daughter | — | Massachusetts |
| 39 | Jeremiah Coffee | 71 | Head | — | Eire |
| 40 | Margaret Coffee | 67 | Wife | — | Eire |
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)