CS
Carl Swanson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Carl Swanson across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Richard & Nicholas — first a son (b.~1908), then head of a 4-person household.
Age 22
b. ~1908
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Swanson |
| Given Name | Carl H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Salesman |
| Industry | Hardware store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Maynard Town Pt Of |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Alton Swanson | Son | — | 18 | ~1912 |
| Carl Swanson | Son | — | 22 | ~1908 |
| John Swanson | Son | — | 20 | ~1910 |
| Richard Swanson | Head | — | 50 | ~1880 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Carl V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 22
Middlesex, Massachusetts · implied b. ~1908 — 4 household members
| Surname | Swanson |
| Given Name | Carl H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Salesman |
| Industry | Hardware store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 33
Middlesex-County, Massachusetts · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swenson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Occupation | Clerk |
| Industry | Fruit and Grocery Store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 880 |
| Highest Grade | Hs 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 Carl Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Swanson (~0.92 confidence) and father Nicholas Swanson (~0.92 confidence) and mother Aline Swenson (~0.92 confidence) and mother Amanda Swanson (~0.92 confidence) and father Oscar Swenson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Swanson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Nicholas Swanson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Aline Swenson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Amanda Swanson
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Oscar Swenson
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
Carl Swanson
Son · 1930 · age 22 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Alton Swanson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Swanson
Sibling · 1930 · age 20
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel924:0002)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Dvorak | 18 | Daughter | Bookkeeper | Massachusetts |
| 52 | John Dvorak | 17 | Son | — | Massachusetts |
| 53 | Sophie Dvorak | 10 | Daughter | — | Massachusetts |
| 54 | Louis Maciek | 30 | Lodger | Butcher | Poland |
| 55 | William Nevala | 39 | Head | Weaver | Finland |
| 56 | Olga E. Nevala | 32 | Wife | Servant | Finland |
| 57 | Lillian Nevala | 5 | Daughter | — | Massachusetts |
| 58 | Lila E. Merilehto | 12 | Step-daughter | — | Massachusetts |
| 59 | Michael Lauka | 33 | Head | Machinist | Poland |
| 60 | Mary J. Lauka | 28 | Wife | — | Massachusetts |
| 61 | Mary B. Lauka | 3 | Daughter | — | Massachusetts |
| 62 | Katherine J. Lauka | 0 | Daughter | — | Massachusetts |
| 63 | Anthony Vitowicz | 41 | Head | Spooler | Poland |
| 64 | Amelia Vitowicz | 36 | Wife | Spooler | Poland |
| 65 | Joseph Vitowicz | 15 | Son | — | Massachusetts |
| 66 | Sophie Vitowicz | 13 | Daughter | — | Massachusetts |
| 67 | Anna Vitowicz | 11 | Daughter | — | Massachusetts |
| 68 | Edward Vitowicz | 9 | Son | — | Massachusetts |
| 69 | Walter Vitowicz | 6 | Son | — | Massachusetts |
| 70 | N. Albert Fairbanks | 46 | Head | Second Hand | Massachusetts |
| 71 | Mary G. Fairbanks | 44 | Wife | — | Massachusetts |
| 72 | Albert H. Fairbanks | 18 | Son | — | Massachusetts |
| 73 | Walter H. Fairbanks | 17 | Son | — | Massachusetts |
| 74 | Henry G. Fairbanks | 15 | Son | — | Massachusetts |
| 75 | Ellen Wilson | 69 | Head | — | Massachusetts |
| 76 | Marion Littlefield | 29 | Daughter | Bookkeeper | Massachusetts |
| 77 | Burton Littlefield | 28 | Son-in-law | Chauffeur | Massachusetts |
| 78 | Barbara Littlefield | 6 | Grand-daughter | — | Massachusetts |
| 79 | Edward D. Doherty | 51 | Head | Overseer | Massachusetts |
| 80 | Anna T. Doherty | 51 | Wife | — | Massachusetts |
| 81 | Alfred King | 76 | Head | — | Canada-French |
| 82 | Stella King | 76 | Wife | — | Canada-French |
| 83 | William Huir | 40 | Head | Weaver | Massachusetts |
| 84 | Mary A. Huir | 42 | Wife | Weaver | Massachusetts |
| 85 | John Mccarthy | 82 | Head | — | Irish Free State |
| 86 | Maria Mccarthy | 75 | Wife | — | Massachusetts |
| 87 | Charles Krysieniel | 35 | Head | Presser | Poland |
| 88 | Annie Krysieniel | 24 | Wife | — | Poland |
| 89 | Alphonse Krysieniel | 1 | Son | — | Massachusetts |
| 90 | Richard Swanson | 50 | Head | Loom-Fixer | Sweden |
| 91 | Carl H. Swanson THIS PERSON | 22 | Son | Salesman | Massachusetts |
| 92 | John O. Swanson | 20 | Son | Dressing Carrier | Massachusetts |
| 93 | Alton H. Swanson | 18 | Son | Waiter | Massachusetts |
| 94 | Alice Ledgard | 69 | Head | — | Massachusetts |
| 95 | Henry Campbell | 67 | Brother | Laborer | Massachusetts |
| 96 | Catherine Sullivan | 47 | Head | Servant | Irish Free State |
| 97 | Thomas M. Hayes | 43 | Brother | Mason | Irish Free State |
| 98 | Joseph Atkins | 35 | Head | Laborer | Poland |
| 99 | Pauline Atkins | 32 | Wife | Burler | Poland |
| 100 | Edward Atkins | 10 | Son | — | Massachusetts |
Pedigree Summary
Carl + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)