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John Dwyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Berkshire-County, Massachusetts
Our Model Tree links this John Dwyer across the 1930 and 1940 US Censuses in Berkshire-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Berkshire-County, Massachusetts |
| Surname | Dwyer |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | PITTSFIELD |
| 1935 Residence (County) | BERKSHIRE |
| Additional Details | |
| Industry | 130 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Pittsfield |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Dwyer | Daughter | — | 10 | ~1930 |
| Viola Dwyer | Spouse | — | 48 | ~1892 |
| Lillian Dwyer | Daughter | — | 21 | ~1919 |
| Beryl Dwyer | Daughter | — | 13 | ~1927 |
| John Dwyer | Son | — | 19 | ~1921 |
| Francis Dwyer | Son | — | 23 | ~1917 |
| Francis Dwyer | Head | — | 53 | ~1887 |
| Gerald Dwyer | Son | — | 16 | ~1924 |
| Donald Dwyer | Son | — | 14 | ~1926 |
| Madelyn Dwyer | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Berkshire, Massachusetts
Son, age 9
Berkshire, Massachusetts · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | New York |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Berkshire-County, Massachusetts
Son, age 19
Berkshire-County, Massachusetts · implied b. ~1921 — 10 household members
| Surname | Dwyer |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | PITTSFIELD |
| 1935 Residence (County) | BERKSHIRE |
| Industry | 130 |
| Highest Grade | C 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 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 19 · b. ~1921 · Massachusetts
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Sibling
Gerald Dwyer
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madelyn Dwyer
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beryl Dwyer
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Dwyer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Dwyer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Dwyer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Dwyer
Sibling · 1940 · age 21
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 — Berkshire-County, Massachusetts
Open full size
1940 US Federal Census — Berkshire-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01569-00474)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Belva Jean Lavery | 1 | Daughter | — | Massachusetts |
| 42 | George William Allen | 25 | Lodger | Steam Fitter | Vermont |
| 43 | Victoria P. Hoyt | 64 | Head | — | Canada-French |
| 44 | Robert Kriger | 39 | Head | School Teacher | Lithuania |
| 45 | Mary Kriger | 38 | Wife | — | New York |
| 46 | Elaine Kriger | 15 | Daughter | — | Massachusetts |
| 47 | Earl Kriger | 13 | Son | — | Massachusetts |
| 48 | Isaac Vallin | 70 | Head | Electro-Plater | New York |
| 49 | Julia Vallin | 64 | Wife | — | Hungary |
| 50 | Hilda Feigenbaum | 43 | Daughter | Clerk Stenographer | New York |
| 51 | Armand Feigenbaum | 20 | Grand-son | Clerk | New York |
| 52 | Donald Feigenbaum | 14 | Grand-son | — | Massachusetts |
| 53 | Francis F. Dwyer | 53 | Head | Desk Officer | New York |
| 54 | Viola A. Dwyer | 48 | Wife | — | Massachusetts |
| 55 | Francis E. Jr. Dwyer | 23 | Son | Truck Driver | Massachusetts |
| 56 | Lillian Eileen Dwyer | 21 | Daughter | Making Mica Pads For Transformers | Massachusetts |
| 57 | John L. Dwyer THIS PERSON | 19 | Son | — | Massachusetts |
| 58 | Madelyn Dwyer | 18 | Daughter | Office Work | Massachusetts |
| 59 | Gerald F. Dwyer | 16 | Son | — | Massachusetts |
| 60 | Donald R. Dwyer | 14 | Son | — | Massachusetts |
| 61 | Beryl T. Dwyer | 13 | Daughter | — | Massachusetts |
| 62 | Elizabeth A. Dwyer | 10 | Daughter | — | Massachusetts |
| 63 | Charles W. Stickles | 57 | Head | Inspector | New York |
| 64 | Florence G. Stickles | 59 | Wife | — | New York |
| 65 | Margaret Lane | 51 | Head | — | Ireland |
| 66 | John Lane | 15 | Son | — | Massachusetts |
| 67 | Lawrence Lane | 13 | Son | — | Massachusetts |
| 68 | Joseph Lane | 10 | Son | — | Massachusetts |
| 69 | William Stickles | 51 | Head | Foreman | New York |
| 70 | Hazel Stickles | 47 | Wife | — | New York |
| 71 | Howard Stickles | 18 | Son | File Clerk | Massachusetts |
| 72 | Trueman Howard | 78 | Head | Electrician | New York |
| 73 | Fannie Howard | 78 | Wife | — | New York |
| 74 | Mildred F. Howard | 42 | Daughter | Production Clerk | New York |
| 75 | Robert St. Cyr | 39 | Head | Line Foreman | Massachusetts |
| 76 | Mary St. Cyr | 34 | Wife | — | Massachusetts |
| 77 | Robert St. Cyr | 16 | Son | — | Massachusetts |
| 78 | Eleanor St. Cyr | 12 | Daughter | — | Massachusetts |
| 79 | Albert St. Cyr | 10 | Son | — | Massachusetts |
| 80 | G. Merrill Barnett | 27 | Head | Draftsman | New Hampshire |
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)