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John Sheehan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Sheehan across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sheehan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1924 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Edna Sheehan | Daughter | — | 14 | ~1926 |
| Daniel Sheehan | Head | — | 54 | ~1886 |
| Robert Sheehan | Son | — | 6 | ~1934 |
| Daniel Sheehan | Son | — | 11 | ~1929 |
| Richard Sheehan | Son | — | 9 | ~1931 |
| John Sheehan | Son | — | 16 | ~1924 |
| Francis Sheehan | Son | — | 18 | ~1922 |
| Julia Sheehan | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1924 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sheehan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 8 household members
| Surname | Sheehan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 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 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 16 · b. ~1924 · Massachusetts
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Sibling
Daniel Sheehan
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Sheehan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sheehan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Sheehan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sheehan
Sibling · 1940 · age 6
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
38 people indexed on this census page (nara:1940:m-t0627-01675-00752)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Deady | 32 | Head | Manager | Massachusetts |
| 42 | Susan Deady | 60 | Wife | — | Massachusetts |
| 43 | Charles X Deady | 28 | Son | Accountant | Massachusetts |
| 44 | Francis Willard | 43 | Head | Patrolman | Massachusetts |
| 45 | Christine Willard | 42 | Wife | — | Canada English |
| 46 | Daniel Sheehan | 54 | Head | Porter | Massachusetts |
| 47 | Julia Sheehan | 49 | Wife | — | Massachusetts |
| 48 | Francis Sheehan | 18 | Son | — | Massachusetts |
| 49 | John Sheehan THIS PERSON | 16 | Son | — | Massachusetts |
| 50 | Edna Sheehan | 14 | Daughter | — | Massachusetts |
| 51 | Daniel Jr. Sheehan | 11 | Son | — | Massachusetts |
| 52 | Richard Sheehan | 9 | Son | — | Massachusetts |
| 53 | Robert Sheehan | 6 | Son | — | Massachusetts |
| 54 | Dolly Fay | 43 | Head | Nurse | Alabama |
| 55 | Verona Taylor | 23 | Daughter | Bookkeeper | Alabama |
| 56 | Edward Fay | 17 | Son | — | Massachusetts |
| 57 | Pauline Fay | 11 | Daughter | — | Massachusetts |
| 59 | Samuel Katz | 46 | Head | Coppersmith | Russia |
| 60 | Eva Katz | 41 | Wife | — | Russia |
| 61 | Simon Chomrow | 73 | Lodger | Designer | Russia |
| 62 | George Daley | 40 | Head | Maintenance | Massachusetts |
| 63 | Esther Daley | 36 | Wife | — | Massachusetts |
| 64 | John Daley | 12 | Son | — | Massachusetts |
| 65 | George Daley | 10 | Son | — | Massachusetts |
| 66 | John O'Brien | 41 | Head | Teacher | Massachusetts |
| 67 | Mary O'Brien | 37 | Wife | — | Massachusetts |
| 68 | Joan O'Brien | 15 | Daughter | — | Massachusetts |
| 69 | Gustave F. Benson | 54 | Head | Sheet Metal Worker | Sweden |
| 70 | Alfrida Benson | 50 | Wife | — | Sweden |
| 71 | Vincent F. Benson | 23 | Son | — | Massachusetts |
| 72 | John J. Willey | 42 | Head | Fireman | Massachusetts |
| 73 | Bertha Willey | 40 | Wife | — | Massachusetts |
| 74 | Albert Lyons | 39 | Head | Repairman | Massachusetts |
| 75 | Marion Lyons | 39 | Wife | — | Massachusetts |
| 77 | Frederick O'Hara | 39 | Head | Attendant | Massachusetts |
| 78 | Mary O'Hara | 38 | Wife | — | Massachusetts |
| 79 | Marie O'Hara | 12 | Daughter | — | Massachusetts |
| 80 | Lois O'Hara | 10 | 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)