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John Sheehan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Sheehan across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 12-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Sheehan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Concord |
| Est. Birth Year | ~1917 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Sheehan | Daughter | — | 28 | ~1912 |
| Mary Sheehan | Daughter | — | 23 | ~1917 |
| Loretta Sheehan | Daughter | — | 20 | ~1920 |
| Aline Sheehan | Daughter | — | 30 | ~1910 |
| Margaret Sheehan | Daughter | — | 32 | ~1908 |
| John Sheehan | Head | — | 72 | ~1868 |
| Mary Tormey | Other | — | 53 | ~1887 |
| Katherine Tormey | Other | — | 56 | ~1884 |
| John Sheehan | Son | — | 23 | ~1917 |
| James Sheehan | Son | — | 26 | ~1914 |
| David Sheehan | Son | — | 36 | ~1904 |
| Margaret Sheehan | Spouse | — | 61 | ~1879 |
Census Appearances
1930
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sheehan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 23
Middlesex-County, Massachusetts · implied b. ~1917 — 12 household members
| Surname | Sheehan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Concord |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | C 3 |
| 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 John Sheehan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Sheehan
Son · 1940 · age 23 · b. ~1917 · Massachusetts
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Sibling
Aline Sheehan
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Sheehan
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sheehan
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sheehan
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Sheehan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Sheehan
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sheehan
Sibling · 1940 · age 23
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-t0627-01603-01028)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emily S. Smith | 37 | Lodger | County Agent | Massachusetts |
| 2 | Brook J. Gorgins | 43 | Head | Teacher | Massachusetts |
| 3 | Carolyn Gorgins | 34 | Wife | — | Massachusetts |
| 4 | Nancy Gorgins | 8 | Daughter | — | Massachusetts |
| 5 | Beth Gorgins | 0 | Daughter | — | Massachusetts |
| 6 | John J. Sheehan | 72 | Head | — | Irish Free State |
| 7 | Margaret T. Sheehan | 61 | Wife | — | Massachusetts |
| 8 | David J. Sheehan | 36 | Son | Buy Buyer | Massachusetts |
| 9 | Margaret M. Sheehan | 32 | Daughter | Teacher | Massachusetts |
| 10 | Aline V. Sheehan | 30 | Daughter | Teacher | Massachusetts |
| 11 | Katherine J. Sheehan | 28 | Daughter | Governess | Massachusetts |
| 12 | James P. Sheehan | 26 | Son | Clerical Work | Massachusetts |
| 13 | John J. Sheehan THIS PERSON | 23 | Son | — | Massachusetts |
| 14 | Mary B. Sheehan | 23 | Daughter | New Worker | Massachusetts |
| 15 | Loretta J. Sheehan | 20 | Daughter | — | Massachusetts |
| 16 | Katherine J. Tormey | 56 | Sister in law | — | Massachusetts |
| 17 | Mary V. Tormey | 53 | Sister in law | Housekeeper | Massachusetts |
| 18 | James Feehan | 49 | Head | Laborer | Massachusetts |
| 19 | Alice Feehan | 16 | Daughter | — | Massachusetts |
| 20 | Philip Feehan | 27 | Nephew | Truck Driver | Massachusetts |
| 21 | Christine Feehan | 28 | Nephew's wife | Waitress | Irish Free State |
| 22 | Maurice English | 41 | Head | Laborer | Irish Free State |
| 23 | Mary English | 39 | Wife | — | Irish Free State |
| 24 | Mary J. English | 10 | Daughter | — | Massachusetts |
| 25 | Katherine G. English | 6 | Daughter | — | Massachusetts |
| 26 | Albert Soffriti | 32 | Head | Manager | Italy |
| 27 | Mary Soffriti | 29 | Wife | — | Massachusetts |
| 28 | Edith Soffriti | 10 | Daughter | — | Massachusetts |
| 29 | Barbara Soffriti | 8 | Daughter | — | Massachusetts |
| 30 | George Soffriti | 64 | Head | Owner | Italy |
| 31 | Esther Soffriti | 62 | Wife | — | Italy |
| 32 | Arrigo Soffriti | 27 | Son | — | Italy |
| 33 | William D. Goff | 37 | Head | Order Clerk | Rhode Island |
| 34 | Marjorie L. Goff | 29 | Wife | — | Massachusetts |
| 35 | Gustaf A. Landelius | 52 | Head | Farmer | Sweden |
| 36 | Gina Landelius | 56 | Wife | — | Norway |
| 37 | Chester Rapson | 33 | Head | Bartender | Massachusetts |
| 38 | Doris Rapson | 32 | Wife | — | Massachusetts |
| 39 | Warren Rapson | 13 | Son | — | Massachusetts |
| 40 | Chester Rapson | 11 | 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)