JC
Joseph Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Joseph Collins across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Collins |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Grocery Clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Grocery Clerk |
| Township / Ward | Medford |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Agnes Collins | Daughter | — | 24 | ~1916 |
| Albertina Collins | Daughter | — | 21 | ~1919 |
| Lillian Boudreau | Daughter | — | 38 | ~1902 |
| Edward Boudreau | Head | — | 65 | ~1875 |
| Charles Boudreau | Son | — | 33 | ~1907 |
| Arthur Boudreau | Son | — | 36 | ~1904 |
| Joseph Collins | Son | — | 21 | ~1919 |
| Raymond Collins | Son | — | 31 | ~1909 |
| John Collins | Son | — | 29 | ~1911 |
| Mary Boudreau | Spouse | — | 62 | ~1878 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · implied b. ~1919 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Son, age 21
Middlesex-County, Massachusetts · implied b. ~1919 — 10 household members
| Surname | Collins |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford |
| 1935 Residence (County) | Middlesex |
| Occupation | Grocery Clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 520 |
| Highest Grade | Hs 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 Joseph Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Collins
Son · 1940 · age 21 · b. ~1919 · Massachusetts
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Sibling
Arthur Boudreau
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Collins
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Collins
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Collins
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albertina Collins
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Boudreau
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Boudreau
Sibling · 1940 · age 38
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-t0627-01612-00109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Vincent Cerasuolo | 65 | Head | Clerk | Italy |
| 42 | Mary Cerasuolo | 63 | Wife | — | Rhode Island |
| 43 | Theresa Cerasuolo | 25 | Daughter | New Worker | Massachusetts |
| 44 | John G. Mcdevitt | 36 | Head | Clerk | Massachusetts |
| 45 | Mary F. Mcdevitt | 28 | Wife | — | Massachusetts |
| 46 | John G. Jr. Mcdevitt | 1 | Son | — | Massachusetts |
| 47 | Walter J. Hennessey | 30 | Head | Cook | Massachusetts |
| 48 | Edith Hennessey | 33 | Wife | — | Massachusetts |
| 49 | Margaret Costello | 29 | Lodger | Bookkeeper | Massachusetts |
| 50 | Peter Fyder | 48 | Head | Brick Mason | Massachusetts |
| 51 | Mabel Fyder | 42 | Wife | — | Massachusetts |
| 52 | John Fyder | 17 | Son | — | Massachusetts |
| 53 | Robert Fyder | 16 | Son | — | Massachusetts |
| 54 | Paul Fyder | 12 | Son | — | Massachusetts |
| 55 | Rose Mary Fyder | 7 | Daughter | — | Massachusetts |
| 56 | Alexander Fyder | 3 | Son | — | Massachusetts |
| 57 | Walter H. Curtis | 46 | Head | Post Office Clerk | Massachusetts |
| 58 | Marion H. Curtis | 45 | Wife | — | Rhode Island |
| 59 | Dorothy Curtis | 15 | Daughter | — | Massachusetts |
| 60 | George Bonfield | 37 | Head | Mechanic | Newfoundland |
| 61 | Edith Bonfield | 30 | Wife | — | Massachusetts |
| 62 | June Bonfield | 4 | Daughter | — | Massachusetts |
| 63 | George Jr. Bonfield | 1 | Son | — | Massachusetts |
| 64 | Edward E. Boudreau | 65 | Head | Fish Buyer | Massachusetts |
| 65 | Mary Boudreau | 62 | Wife | — | Massachusetts |
| 66 | Lillian Boudreau | 38 | Daughter | Cashier | Massachusetts |
| 67 | Arthur Boudreau | 36 | Son | Yatcher | Massachusetts |
| 68 | Charles Boudreau | 33 | Son | Yatcher | Massachusetts |
| 69 | Raymond Collins | 31 | Son | Lawyer | Massachusetts |
| 70 | John Collins | 29 | Son | Salesman | Massachusetts |
| 71 | Agnes Collins | 24 | Daughter | Clerk | Massachusetts |
| 72 | Albertina Collins | 21 | Daughter | Stenographer | Massachusetts |
| 73 | Joseph Collins THIS PERSON | 21 | Son | Grocery Clerk | Massachusetts |
| 74 | John P. Daley | 66 | Head | — | Massachusetts |
| 75 | Ellen B. Daley | 66 | Wife | — | Irish Free State |
| 76 | James J. Daley | 32 | Son | Clerk | Massachusetts |
| 77 | George A. Campbell | 46 | Head | Mechanic | Nova Scotia |
| 78 | Edith Campbell | 47 | Wife | — | Massachusetts |
| 79 | Charles Campbell | 23 | Son | Mechanic | Nova Scotia |
| 80 | John Campbell | 17 | Son | — | Massachusetts |
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)