AS
Arthur Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Arthur Swanson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Eugene & Ella — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Swanson |
| Given Name | Arthur E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Pressman |
| Industry | Manufacturer |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Pressman |
| Township / Ward | Malden City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Clyde Swanson | Son | — | 5 | ~1935 |
| Arthur Swanson | Son | — | 23 | ~1917 |
| Harold Swanson | Son | — | 20 | ~1920 |
| Eugene Swanson | Head | — | 47 | ~1893 |
| Allan Swanson | Son | — | 9 | ~1931 |
| Ella Swanson | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| 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 — 6 household members
| Surname | Swanson |
| Given Name | Arthur E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Occupation | Pressman |
| Industry | Manufacturer |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 450 |
| Highest Grade | H-4 |
| 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 Arthur Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Eugene Swanson (~0.92 confidence) and mother Ella Swanson (~0.92 confidence) and mother Lillian Swanson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Eugene Swanson
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Ella Swanson
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Lillian Swanson
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Swanson
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
Allan Swanson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Swanson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Swanson
Sibling · 1940 · age 5
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
39 people indexed on this census page (nara:1940:m-t0627-01608-00622)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas J. Kelliher | 40 | Head | Accountant | Massachusetts |
| 2 | Katherine F. Kelliher | 37 | Wife | Professor | Massachusetts |
| 3 | Joan Kelliher | 4 | Daughter | — | — |
| 4 | Hope Kelliher | 0 | Daughter | — | — |
| 5 | William M. Crotty | 51 | Head | Machinist | Vermont |
| 6 | Ann F. Crotty | 51 | Wife | — | Vermont |
| 7 | Melvin M. Crotty | 23 | Son | — | Vermont |
| 8 | Raymond J. Crotty | 21 | Son | Soda Clerk | Vermont |
| 9 | Thomas J. Crotty | 17 | Son | — | Vermont |
| 10 | Eugene Swanson | 47 | Head | Linotype Operator | Massachusetts |
| 11 | Ella E. Swanson | 43 | Wife | — | Massachusetts |
| 12 | Arthur E. Swanson THIS PERSON | 23 | Son | Pressman | Massachusetts |
| 13 | Harold W. Swanson | 20 | Son | Shipping Clerk | Massachusetts |
| 14 | Allan K. Swanson | 9 | Son | — | Massachusetts |
| 15 | Clyde E. Swanson | 5 | Son | — | — |
| 16 | Bernard G. Copeland | 59 | Head | Steel Worker | Canada-English |
| 17 | Gertrude M. Copeland | 56 | Wife | — | Massachusetts |
| 18 | Alice G. Copeland | 15 | Daughter | — | Massachusetts |
| 19 | Ruth E. Copeland | 11 | Daughter | — | Massachusetts |
| 20 | Warren E. Moore | 39 | Head | Construction Engineer | Massachusetts |
| 21 | Gladys A. Moore | 35 | Wife | — | Massachusetts |
| 22 | Gertrude E. Moore | 19 | Daughter | — | Massachusetts |
| 23 | Warren E. Jr. Moore | 16 | Son | — | Massachusetts |
| 24 | Joan A. Moore | 10 | Daughter | — | Massachusetts |
| 25 | Florence M. Noel | 50 | Head | Housekeeper | Canada-English |
| 26 | Henry M. Fitzgerald | 56 | Head | Owner | Massachusetts |
| 27 | Esther D. Fitzgerald | 46 | Wife | — | Massachusetts |
| 28 | Marion E. Fitzgerald | 20 | Daughter | — | Massachusetts |
| 29 | Julia Barron | 50 | Head | Owner | Ireland |
| 30 | Edward J. Barron | 43 | Son | — | Massachusetts |
| 31 | Ethel M. Barron | 19 | Daughter | Clerk | Massachusetts |
| 32 | Marion J. Barron | 18 | Daughter | — | Massachusetts |
| 33 | Robert J. Barron | 11 | Son | — | Massachusetts |
| 34 | Marie Sonia | 58 | Head | — | Canada-English |
| 35 | Mary J. Martin | 64 | Head | — | Irish Free State |
| 36 | Ellen C. Martin | 31 | Daughter | Teacher | Massachusetts |
| 37 | Carrie E. Elmester | 70 | Mother | — | Massachusetts |
| 38 | Arthur H. Pratt | 31 | Head | Dept. Forger | Maine |
| 39 | Robert L. Pratt | 30 | Brother | Mail Clerk | Maine |
Pedigree Summary
Arthur + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)