EC
Edward Carlson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Edward Carlson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & Anna — first a head (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Carlson |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | E. Lexington |
| 1935 Residence (County) | E. Lexington |
| Additional Details | |
| Occupation | Engineer |
| Industry | Electrical |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2600 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Engineer |
| Township / Ward | E Lexington |
| Est. Birth Year | ~1905 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Edward Carlson | Head | — | 35 | ~1905 |
| Anna Carlson | Spouse | — | 62 | ~1878 |
| Helga Carlson | Daughter | — | 33 | ~1907 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 16
Middlesex, Massachusetts · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Edward |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Finland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 26
Middlesex, Massachusetts · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carlson |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Finland |
| Occupation | Ticket Agent |
| Industry | Ry Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 35
Middlesex-County, Massachusetts · implied b. ~1905 — 3 household members
| Surname | Carlson |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | E. Lexington |
| 1935 Residence (County) | E. Lexington |
| Occupation | Engineer |
| Industry | Electrical |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2600 |
| 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 Edward Carlson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Carlson (~0.92 confidence) and mother Anna Carlson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Carlson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Anna Carlson
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Carlson
Head · 1940 · age 35 · b. ~1905 · Massachusetts
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-01607-00746)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Carlson THIS PERSON | 35 | Head | Engineer | Massachusetts |
| 2 | Anna E Carlson | 62 | Wife | — | Sweden |
| 3 | Helga M Carlson | 33 | Daughter | Clerk | Massachusetts |
| 4 | Wm E Adams | 45 | Head | Salesman | Massachusetts |
| 5 | Annie D Adams | 45 | Wife | — | Massachusetts |
| 6 | William Adams | 18 | Son | — | Massachusetts |
| 7 | Priscilla Adams | 17 | Daughter | — | Massachusetts |
| 8 | Joseph Dickson | 81 | Father-in-law | — | North Ireland |
| 9 | Frederick Mcmullen | 49 | Head | Engineer | Massachusetts |
| 10 | Bessie Mcmullen | 46 | Wife | — | Massachusetts |
| 11 | Norman E Mcmullen | 24 | Son | Helper | Massachusetts |
| 12 | Benjamin Mcmullen | 20 | Son | — | Massachusetts |
| 13 | Frederick Mcmullen | 15 | Son | — | Massachusetts |
| 14 | Gustave Julin | 60 | Head | Carpenter | Sweden |
| 15 | Vanja Julin | 53 | Wife | — | Massachusetts |
| 16 | A. H. Windsor | 48 | Head | Iron Worker | England |
| 17 | Elsie Windsor | 47 | Wife | — | England |
| 18 | Angelina Dattoli | 48 | Head | — | Italy |
| 19 | Rose M Dattoli | 24 | Daughter | Asst Manager | Massachusetts |
| 20 | Anna Palermo | 26 | Daughter | Supervisor | Massachusetts |
| 21 | Albert Doherty | 32 | Lodger | Spotter | Maine |
| 22 | Wm. Powers | 7 | Boarder | — | Massachusetts |
| 23 | Loretta Palermo | 11 | Granddaughter | — | Massachusetts |
| 24 | David Brown | 28 | Head | Mechanic | Massachusetts |
| 25 | Helen Brown | 28 | Wife | — | Massachusetts |
| 26 | Neil Brown | 9 | Son | — | Massachusetts |
| 27 | David Jr Brown | 1 | Son | — | Massachusetts |
| 28 | John Brown | 0 | Son | — | Massachusetts |
| 29 | Albert Eagan | 26 | Head | — | Canada |
| 30 | James Seneabaugh | 67 | Head | Wood Worker | Canada |
| 31 | Helen Seneabaugh | 57 | Wife | — | England |
| 32 | Anna Pappas | 14 | Lodger | — | Massachusetts |
| 33 | Arthur Pappas | 12 | Lodger | — | Massachusetts |
| 34 | Frank Ryha | 10 | Lodger | — | Massachusetts |
| 35 | John J Flaherty | 41 | Head | Letter Carrier | Massachusetts |
| 36 | Lillian F Flaherty | 35 | Wife | — | Massachusetts |
| 37 | Betty E Flaherty | 16 | Daughter | — | Massachusetts |
| 38 | John J Jr Flaherty | 12 | Son | — | Massachusetts |
| 39 | Ronald F Flaherty | 8 | Son | — | Massachusetts |
| 40 | Jean M Flaherty | 5 | Daughter | — | Massachusetts |
Pedigree Summary
Edward
Gen 1 · 2 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)