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John Swanson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Swanson across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Swanson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | inspector |
| Industry | warehouse |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 900 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Inspector |
| Township / Ward | Boston |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Audrey Swanson | Daughter | — | 18 | ~1922 |
| Margaret Swanson | Daughter | — | 26 | ~1914 |
| Colette Coffe | Daughter | — | 24 | ~1916 |
| Charles Swanson | Head | — | 62 | ~1878 |
| Edith Coffe | Other | — | 3 | ~1937 |
| John Swanson | Son | — | 21 | ~1919 |
| Charles Swanson | Son | — | 28 | ~1912 |
| Annie Swanson | Spouse | — | 55 | ~1885 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 11
Suffolk, Massachusetts · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Norway |
| 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 — 8 household members
| Surname | Swanson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | inspector |
| Industry | warehouse |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 900 |
| Highest Grade | 8 |
| 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 Swanson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Swanson
Son · 1940 · age 21 · b. ~1919 · Massachusetts
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Sibling
Margaret Swanson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Swanson
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Swanson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Colette Coffe
Sibling · 1940 · age 24
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
39 people indexed on this census page (nara:1940:m-t0627-01675-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick Dauphinee | 28 | Head | Truck Driver | Massachusetts |
| 2 | Arthur Dauphinee | 25 | Son | Clerk | Massachusetts |
| 3 | Dorothy Dauphinee | 24 | Daughter | Office Clerk | Massachusetts |
| 4 | John H. Dugan | 67 | Head | — | Massachusetts |
| 5 | Annie M. Dugan | 62 | Wife | — | Massachusetts |
| 6 | William A. Dugan | 36 | Son | Glazier | Massachusetts |
| 7 | Alfred W. Dexter | 46 | Lodger | Accountant | Massachusetts |
| 8 | Charles Swanson | 62 | Head | Caretaker | Massachusetts |
| 9 | Annie B. Swanson | 55 | Wife | — | Massachusetts |
| 10 | Charles Swanson | 28 | Son | Shipper | Massachusetts |
| 11 | Margaret Swanson | 26 | Daughter | Marker | Massachusetts |
| 12 | John Swanson THIS PERSON | 21 | Son | Inspector | Massachusetts |
| 13 | Audrey Swanson | 18 | Daughter | Stock Clerk | Massachusetts |
| 14 | Colette Coffe | 24 | Daughter | — | Massachusetts |
| 15 | Edith Coffe | 3 | Grand-dau | — | Massachusetts |
| 16 | John Newell | 71 | Head | Janitor | Ireland |
| 17 | Lucy B. Newell | 65 | Wife | — | Ireland |
| 18 | Helen B. Newell | 32 | Daughter | Operator | Massachusetts |
| 19 | A. Jane Newell | 26 | Daughter | Private Secretary | Massachusetts |
| 20 | Sam Di Natale | 63 | Head | Carpenter | Italy |
| 21 | Rose Di Natale | 63 | Wife | — | Italy |
| 22 | Guy M. Di Natale | 26 | Son | Carpenter | Massachusetts |
| 23 | Teresa Di Natale | 33 | Daughter | Secretary | Massachusetts |
| 24 | Anthony Di Natale | 34 | Head | Contractor | Massachusetts |
| 25 | Catherine Di Natale | 30 | Wife | — | Massachusetts |
| 26 | Anthony Jr. Di Natale | 2 | Son | — | Massachusetts |
| 27 | Catherine Di Natale | 0 | Daughter | — | Massachusetts |
| 28 | Francis Di Natale | 35 | Head | Estimator | Massachusetts |
| 29 | Helen Di Natale | 33 | Wife | — | Massachusetts |
| 30 | Francis Di Natale | 1 | Son | — | Massachusetts |
| 31 | Julius Castar | 63 | Head | Cook | Lithuania |
| 32 | Annie Castar | 53 | Wife | — | Lithuania |
| 33 | Helen Castar | 15 | Daughter | — | Massachusetts |
| 34 | Mary L. Walmsley | 66 | Head | — | England |
| 35 | Paul Walmsley | 28 | Son | Clerical | Massachusetts |
| 36 | Frederick Walmsley | 27 | Son | Photo Engraver | Massachusetts |
| 37 | George Duffley | 57 | Head | Service Man | Massachusetts |
| 38 | Elizabeth Duffley | 52 | Wife | — | Massachusetts |
| 39 | John Duffley | 61 | Brother | Peddler | Massachusetts |
Related Census Records
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)