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Carl Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Carl Carlson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Elvira & Ellis — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Assembler |
| Industry | Leather |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Assembler |
| Township / Ward | Boston |
| Est. Birth Year | ~1916 |
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 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Carlson | Daughter | — | 22 | ~1918 |
| Elvira Carlson | Head | — | 56 | ~1884 |
| Felix Carlson | Son | — | 38 | ~1902 |
| Carl Carlson | Son | — | 24 | ~1916 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 4
Middlesex, Massachusetts · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Finland |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 14
Middlesex, Massachusetts · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Carl E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Home Value / Rent | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 24
Suffolk-County, Massachusetts · implied b. ~1916 — 4 household members
| Surname | Carlson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Assembler |
| Industry | Leather |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 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 Carl Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elvira Carlson (~0.92 confidence) and father Ellis Carlson (~0.92 confidence) and father Ellis Carlson (~0.92 confidence) and mother Florence Carlson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elvira Carlson
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Ellis Carlson
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Ellis Carlson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Florence Carlson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Carlson
Son · 1940 · age 24 · b. ~1916 · Massachusetts
★ You are viewing this record
Sibling
Eleanor Carlson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Felix Carlson
Sibling · 1940 · age 38
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-t0627-01671-00410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen R Booden | 24 | Daughter | Telephone Oper. | Massachusetts |
| 2 | Mary Booden | 22 | Daughter | Salesgirl | Massachusetts |
| 3 | Ann Booden | 21 | Daughter | — | Massachusetts |
| 4 | John Booden | 16 | Son | — | Massachusetts |
| 5 | Henry W. Baxter | 61 | Head | Shoe Cutter | Canada, Eng |
| 6 | Minnie B. Kelly | 64 | Sister | Seamstress | Canada, Eng |
| 7 | Joseph P. Finley | 68 | Head | — | France |
| 8 | Alice Finley | 64 | Wife | — | Switzerland |
| 9 | John F. Finnegan | 34 | Head | Compositor | Massachusetts |
| 10 | Rose Finnegan | 32 | Wife | Cashier | Canada, Eng |
| 11 | Barbara Finnegan | 6 | Daughter | — | Massachusetts |
| 12 | Edith Freedman | 32 | Lodger | Operator | Massachusetts |
| 13 | Robert Freedman | 7 | Son | — | Massachusetts |
| 14 | Margaret Fallon | 28 | Lodger | Packer | Massachusetts |
| 15 | William Tague | 58 | Head | Attendant | Massachusetts |
| 16 | Mary Tague | 52 | Wife | — | Ireland |
| 17 | Josephine Tague | 26 | Daughter | — | Massachusetts |
| 18 | Irene Tague | 24 | Daughter | Typist | Massachusetts |
| 19 | Thomas Davenport | 30 | Head | Finisher | Rhode Island |
| 20 | Celia Davenport | 36 | Wife | — | Massachusetts |
| 21 | Robert Davenport | 2 | Son | — | Massachusetts |
| 22 | Ruth Davenport | 1 | Daughter | — | Massachusetts |
| 23 | Frederick White | 48 | Head | Asbestos Worker | Massachusetts |
| 24 | Alice White | 45 | Wife | — | Massachusetts |
| 25 | Dorothy White | 19 | Daughter | — | Massachusetts |
| 26 | Frederick White | 16 | Son | — | Massachusetts |
| 27 | Alice White | 14 | Daughter | — | Massachusetts |
| 28 | Lillian White | 12 | Daughter | — | Massachusetts |
| 29 | Edward White | 10 | Son | — | Massachusetts |
| 30 | William White | 6 | Son | — | Massachusetts |
| 31 | Donald White | 2 | Son | — | Massachusetts |
| 32 | Frederick A. Klenam | 50 | Head | Electrician | Massachusetts |
| 33 | Margaret M. Klenam | 49 | Wife | — | Massachusetts |
| 34 | Mary L. Klenam | 18 | Daughter | — | Massachusetts |
| 35 | Frederick W. Klenam | 15 | Son | — | Massachusetts |
| 36 | Muriel A. Klenam | 9 | Daughter | — | Massachusetts |
| 37 | Elvira Carlson | 56 | Head | — | Sweden |
| 38 | Felix Carlson | 38 | Son | Painter | Sweden |
| 39 | Carl Carlson THIS PERSON | 24 | Son | Assembler | Massachusetts |
| 40 | Eleanor Carlson | 22 | Daughter | Housemaid | Massachusetts |
Pedigree Summary
Carl + 2 siblings
Gen 1 · 4 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)