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John Dwyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Dwyer across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Dwyer |
| Given Name | John V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Clerk |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 220 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Boston City |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Dwyer | Daughter | — | 22 | ~1918 |
| Michael Dwyer | Head | — | 50 | ~1890 |
| John Dwyer | Son | — | 20 | ~1920 |
| Marguerite Dwyer | Spouse | — | 47 | ~1893 |
| George Dwyer | Son | — | 19 | ~1921 |
| Eugene Dwyer | Son | — | 24 | ~1916 |
| Robert Dwyer | Son | — | 23 | ~1917 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 9
Suffolk, Massachusetts · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Suffolk-County, Massachusetts
Son, age 20
Suffolk-County, Massachusetts · implied b. ~1920 — 7 household members
| Surname | Dwyer |
| Given Name | John V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Clerk |
| Industry | Dept. Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 220 |
| Highest Grade | H 4 |
| 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 Dwyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dwyer
Son · 1940 · age 20 · b. ~1920 · Massachusetts
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Sibling
Eugene Dwyer
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Dwyer
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Dwyer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dwyer
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 — 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-t0627-01670-00688)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Weiner | 15 | Son | — | Massachusetts |
| 42 | Abraham M. Rudnick | 39 | Head | Lawyer | Russia |
| 43 | Beatrice Rudnick | 32 | Daughter | — | Massachusetts |
| 44 | Mordecai Rudnick | 3 | Grandson | — | Massachusetts |
| 45 | David Mefitz | 33 | Head | News Dealer | Pennsylvania |
| 46 | Sadie Mefitz | 28 | Wife | — | Maine |
| 47 | Harold M. Mefitz | 5 | Son | — | Massachusetts |
| 48 | Helene Mefitz | 5 | Daughter | — | Massachusetts |
| 49 | Shelley R. Gallemore | 41 | Head | Contractor | Connecticut |
| 50 | Marion B. Gallemore | 35 | Wife | — | Massachusetts |
| 51 | Donald Gallemore | 12 | Son | — | Massachusetts |
| 52 | William Gallemore | 9 | Son | — | Ohio |
| 53 | Lois Gallemore | 7 | Daughter | — | Ohio |
| 54 | Charles R. Gallemore | 2 | Son | — | Massachusetts |
| 55 | Mary L. Knight | 70 | Head | Reg. Nurse | Massachusetts |
| 56 | Isabel Waitz | 59 | Lodger | Housekeeper | Maine |
| 57 | Vito Cascino | 58 | Head | Factory Worker | Italy |
| 58 | Jennie Cascino | 44 | Wife | — | Italy |
| 59 | Paul Cascino | 8 | Son | — | Massachusetts |
| 60 | Fred Cascino | 11 | Son | — | Massachusetts |
| 61 | Daniel Cascino | 7 | Son | — | Massachusetts |
| 62 | Mary Cascino | 19 | Daughter | — | Massachusetts |
| 63 | Rose Cascino | 24 | Daughter | Stock Girl | Massachusetts |
| 64 | Eleanor Cascino | 16 | Daughter | — | Massachusetts |
| 65 | Lucy Cascino | 28 | Daughter | Stock Girl | Massachusetts |
| 66 | Antoinette Cascino | 25 | Daughter | Stock Girl | Massachusetts |
| 67 | Edme A. Jordan | 45 | Head | Porter | West Indies |
| 68 | Louise Jordan | 46 | Wife | — | West Indies |
| 69 | Lester Thomas | 40 | Lodger | Domestic | West Indies |
| 70 | Ada Bradford | 42 | Lodger | Domestic | West Indies |
| 71 | Anna Winch | 39 | Lodger | Domestic | West Indies |
| 72 | Julius Watson | 35 | Head | Porter | Virginia |
| 73 | Elma Watson | 35 | Wife | — | Massachusetts |
| 74 | Michael C. Dwyer | 50 | Head | Delivery Mgr. | Massachusetts |
| 75 | Marguerite Dwyer | 47 | Wife | — | Massachusetts |
| 76 | Eugene F. Dwyer | 24 | Son | Salesman | Massachusetts |
| 77 | Robert E. Dwyer | 23 | Son | Stock Clerk | Massachusetts |
| 78 | Eleanor M. Dwyer | 22 | Daughter | — | Massachusetts |
| 79 | John V. Dwyer THIS PERSON | 20 | Son | Clerk | Massachusetts |
| 80 | George P. Dwyer | 19 | 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)