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John Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Collins across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Collins |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Floater |
| Industry | Woolen mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1650 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Floater |
| Township / Ward | Lowell |
| Est. Birth Year | ~1890 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Alice Collins | Daughter | — | 22 | ~1918 |
| John Collins | Head | — | 50 | ~1890 |
| Hannah Collins | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 31
Middlesex, Massachusetts · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | John H |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1894 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Machinist |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | England |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | england |
1930
Middlesex, Massachusetts
Head, age 40
Middlesex, Massachusetts · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 19 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Velvet Loomer |
| Industry | Corduroy Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Radio Set | R |
| Veteran | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Middlesex-County, Massachusetts
Head, age 50
Middlesex-County, Massachusetts · implied b. ~1890 — 3 household members
| Surname | Collins |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Floater |
| Industry | Woolen mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1650 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 John Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Collins
Head · 1940 · age 50 · b. ~1890 · Massachusetts
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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
36 people indexed on this census page (nara:1940:m-t0627-01694-00669)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viola Ruizz | 28 | Daughter | Finisher | Massachusetts |
| 42 | Daniel Buckley | 32 | Head | Battler | Massachusetts |
| 43 | Florence Buckley | 30 | Wife | — | England |
| 44 | Florence Buckley | 10 | Daughter | — | Massachusetts |
| 46 | John Collins THIS PERSON | 50 | Head | Floater | England |
| 47 | Hannah Collins | 52 | Wife | — | England |
| 48 | Alice Collins | 22 | Daughter | Waitress | Massachusetts |
| 50 | Myra E. Felker | 62 | Head | — | England |
| 51 | Lilla E. Dewhurst | 59 | Sister | — | Massachusetts |
| 52 | Jeremiah Danforth | 69 | Lodger | — | New Hampshire |
| 53 | Donald Bucknam | 30 | Lodger | Truck Driver | Canada-English |
| 54 | Raymond Perigny | 28 | Head | Mechanic | Massachusetts |
| 55 | Edna Perigny | 34 | Wife | — | Massachusetts |
| 56 | Shirley Perigny | 1 | Daughter | — | Massachusetts |
| 57 | Raymond Perigny | 0 | Son | — | Massachusetts |
| 58 | Alexandre Poirier | 70 | Father-in-law | — | Nova Scotia |
| 59 | Florence Poirier | 74 | Mother-in-law | — | Canada-French |
| 61 | James Muldoon | 50 | Head | Laborer | Eire |
| 62 | Nora Muldoon | 53 | Wife | — | Eire |
| 63 | Mary Muldoon | 21 | Daughter | Machine Operator | Massachusetts |
| 64 | John Muldoon | 19 | Son | Farm Hand | Massachusetts |
| 65 | Kathleen Muldoon | 11 | Daughter | — | Massachusetts |
| 66 | Timothy Shea | 62 | Head | Laborer | Eire |
| 67 | Nora Shea | 62 | Wife | — | Eire |
| 68 | Mary Shea | 35 | Daughter | Housekeeper | Massachusetts |
| 69 | Michael Shea | 34 | Son | Box Maker | Massachusetts |
| 70 | John Jakubczyk | 55 | Head | Elevator Operator | Poland |
| 71 | Jenny Jakubczyk | 49 | Wife | — | Poland |
| 72 | Helen Jakubczyk | 24 | Daughter | Dresser | Massachusetts |
| 73 | Mary Jakubczyk | 22 | Daughter | Bench Worker | Massachusetts |
| 74 | Louis Jakubczyk | 17 | Son | Farm Hand | Massachusetts |
| 75 | Stanley Jakubczyk | 11 | Son | — | Massachusetts |
| 77 | Anthony Mcnulty | 46 | Head | Laborer | Eire |
| 78 | John Mcnulty | 23 | Son | Welder | Massachusetts |
| 79 | Paul Mcnulty | 21 | Son | Finisher | Massachusetts |
| 80 | Rita Mcnulty | 19 | Daughter | — | 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)