JH
John Hagan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Hagan across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 13-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Hagan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Store clerk |
| Industry | Retail drug store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 280 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Store Clerk |
| Township / Ward | Boston City |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Hagan | Son | — | 17 | ~1923 |
| Mary Hagan | Daughter | — | 7 | ~1933 |
| Coleman Hagan | Son | — | 23 | ~1917 |
| Michael Hagan | Son | — | 19 | ~1921 |
| Patrick Hagan | Son | — | 25 | ~1915 |
| William Hagan | Son | — | 14 | ~1926 |
| Annie Hagan | Spouse | — | 45 | ~1895 |
| Joseph Hagan | Son | — | 15 | ~1925 |
| Bentley Hagan | Son | — | 11 | ~1929 |
| Patrick Hagan | Head | — | 48 | ~1892 |
| John Hagan | Son | — | 21 | ~1919 |
| Catherine Hagan | Daughter | — | 5 | ~1935 |
| Thomas Hagan | Son | — | 10 | ~1930 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 9
Suffolk, Massachusetts · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hagen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Suffolk-County, Massachusetts
Son, age 21
Suffolk-County, Massachusetts · implied b. ~1919 — 13 household members
| Surname | Hagan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Store clerk |
| Industry | Retail drug store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 280 |
| 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 John Hagan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hagan
Son · 1940 · age 21 · b. ~1919 · Massachusetts
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Sibling
Catherine Hagan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coleman Hagan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hagan
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hagan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hagan
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Hagan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bentley Hagan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Hagan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Hagan
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hagan
Sibling · 1940 · age 10
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01665-00416)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cleopatra Nuna | 36 | Wife | — | Albania |
| 2 | Albert Nuna | 8 | Son | — | Massachusetts |
| 3 | Patrick Mcgrath | 52 | Head | Freight Handler | Ireland |
| 4 | Minnie Mcgrath | 46 | Wife | — | Ireland |
| 5 | Hugh Mcgrath | 29 | Son | Salesman | Massachusetts |
| 6 | Gertrude Mcgrath | 26 | Daughter | Assistant | Massachusetts |
| 7 | John Mcgrath | 25 | Son | Salesman | Massachusetts |
| 8 | Andrew Mcgrath | 20 | Son | Cook | Massachusetts |
| 9 | Ella Mcgrath | 18 | Daughter | Waitress | Massachusetts |
| 10 | Joseph Mcgrath | 15 | Son | — | Massachusetts |
| 11 | — | None | — | — | — |
| 12 | Samuel Borkowski | 56 | Head | Shoe Repairer | Lithuania |
| 13 | Catherine Borkowski | 44 | Wife | — | Lithuania |
| 14 | Veronica Borkowski | 21 | Daughter | Branch Maker | Massachusetts |
| 15 | Walter Borkowski | 44 | Head | Inspector | Lithuania |
| 16 | Sarah Borkowski | 26 | Wife | Assistant Director | Pennsylvania |
| 17 | Patrick J. Hagan | 48 | Head | Coremaker | Ireland |
| 18 | Annie Hagan | 45 | Wife | — | Ireland |
| 19 | Patrick Hagan | 25 | Son | Store Clerk | Massachusetts |
| 20 | Coleman Hagan | 23 | Son | Accounting Clerk | Massachusetts |
| 21 | John Hagan THIS PERSON | 21 | Son | Store Clerk | Massachusetts |
| 22 | Michael Hagan | 19 | Son | — | Massachusetts |
| 23 | James Hagan | 17 | Son | — | Massachusetts |
| 24 | Joseph Hagan | 15 | Son | — | Massachusetts |
| 25 | William Hagan | 14 | Son | — | Massachusetts |
| 26 | Bentley Hagan | 11 | Son | — | Massachusetts |
| 27 | Thomas Hagan | 10 | Son | — | Massachusetts |
| 28 | Mary Hagan | 7 | Daughter | — | Massachusetts |
| 29 | Catherine Hagan | 5 | Daughter | — | Massachusetts |
| 30 | Ellen Spataro | 83 | Head | — | Italy |
| 31 | James Spataro | 21 | Son | — | Massachusetts |
| 32 | Edward W. Boyle | 47 | Head | Truck Driver | Massachusetts |
| 33 | Lillian Boyle | 55 | Wife | — | England |
| 34 | Louis Gilmore | 58 | Head | — | Italy |
| 35 | Elizabeth Gilmore | 44 | Wife | — | Massachusetts |
| 36 | Anthony Gilmore | 4 | Son | — | Massachusetts |
| 37 | John Caruso | 49 | Cousin | Molder | Italy |
| 38 | Giacomo Ellena | 48 | Cousin | Oil Supplier | Italy |
| 39 | Mary Driscoll | 85 | Head | — | Ireland |
| 40 | William Murphy | 52 | Head | Inspector | 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)