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John Berg — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hartford-County, Connecticut
Our Model Tree links this John Berg across the 1920, 1930 and 1940 US Censuses in Hartford-County, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 3-person household.
Age 66
b. ~1874
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hartford-County, Connecticut |
| Surname | Berg |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | New Britain |
| 1935 Residence (County) | Hartford |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Toolmaker |
| Industry | Screw factory |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Toolmaker |
| Township / Ward | New Britain |
| Est. Birth Year | ~1874 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Selma Berg | Spouse | — | 57 | ~1883 |
| John Berg | Head | — | 66 | ~1874 |
| Lillian Berg | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Hartford, Connecticut
Head, age 46
Hartford, Connecticut · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berg |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1895 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Toolmaker |
| Industry | Hardware Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Birth Country | Sweden |
| Year of Naturalization | 1899 |
| Birthplace (normalized) | sweden |
1930
Hartford, Connecticut
Head, age 56
Hartford, Connecticut · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Berg |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1895 |
| Age at First Marriage | 30 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Toolmaker |
| Industry | Hardware Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Hartford-County, Connecticut
Head, age 66
Hartford-County, Connecticut · implied b. ~1874 — 3 household members
| Surname | Berg |
| Given Name | John A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | New Britain |
| 1935 Residence (County) | Hartford |
| Naturalization Status | Naturalized |
| Occupation | Toolmaker |
| Industry | Screw factory |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Berg across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Berg
Head · 1940 · age 66 · b. ~1874 · Connecticut
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hartford-County, Connecticut
Open full size
1940 US Federal Census — Hartford-County, Connecticut
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00506-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward J Lemire | 41 | Head | Painter | Rhode Island |
| 2 | Dora J Lemire | 40 | Wife | — | Massachusetts |
| 3 | Edward Lemire | 18 | Son | — | Massachusetts |
| 4 | Roger E Lemire | 15 | Son | — | Massachusetts |
| 5 | John A Berg THIS PERSON | 66 | Head | Toolmaker | Sweden |
| 6 | Selma M Berg | 57 | Wife | — | Sweden |
| 7 | Lillian B Berg | 19 | Daughter | Order Clerk | Connecticut |
| 8 | George R William | 46 | Head | Lock Hand | Connecticut |
| 9 | Lucille M William | 42 | Wife | — | Connecticut |
| 10 | Barbara William | 22 | Daughter | File Clerk | Connecticut |
| 11 | George William | 19 | Son | Clerk | Connecticut |
| 12 | Lucille A William | 9 | Daughter | — | Connecticut |
| 13 | David Yonan | 53 | Head | Painter | Persia |
| 14 | Elsie Yonan | 44 | Wife | — | Persia |
| 15 | David Y Yonan | 18 | Son | Tobacco Hand | Connecticut |
| 16 | Johnson G Yonan | 15 | Son | Tobacco Hand | Connecticut |
| 17 | George S Yonan | 10 | Son | — | Connecticut |
| 18 | Julia Bourque | 58 | Head | Housework | Connecticut |
| 19 | Walter C Hanke | 35 | Head | Supervisor | Connecticut |
| 20 | Madeline A Hanke | 36 | Wife | — | Connecticut |
| 21 | Ronald Hanke | 10 | Son | — | Connecticut |
| 22 | Norma Hanke | 7 | Daughter | — | Connecticut |
| 23 | Philip S Bloom | 44 | Head | Truck Driver | New Hampshire |
| 24 | Gertrude S Bloom | 41 | Wife | — | Connecticut |
| 25 | Leray B Bloom | 12 | Son | — | Connecticut |
| 26 | Thomas J Meshill | 42 | Head | Buyer | Connecticut |
| 27 | Laura R Meshill | 40 | Wife | — | Connecticut |
| 28 | Mary M Meshill | 13 | Daughter | — | Connecticut |
| 29 | Thomas J Meshill | 12 | Son | — | Connecticut |
| 30 | Ruth A Meshill | 10 | Daughter | — | Connecticut |
| 31 | Margaret M Meshill | 36 | Head | Operator, Telephone | Connecticut |
| 32 | Margaret M Meshill | 74 | Mother | — | Eire |
| 33 | Nunzio C Agnello | 35 | Head | Manager | Italy |
| 34 | Evelyn M Agnello | 32 | Wife | — | New Jersey |
| 35 | Jeanette C Agnello | 1 | Daughter | — | Connecticut |
| 36 | Anthony J Kazlauskas | 53 | Head | Policeman | Lithuania |
| 37 | Matilda Kazlauskas | 52 | Wife | — | Lithuania |
| 38 | Victor Kazlauskas | 31 | Son | Office Clerk | Connecticut |
| 39 | Konstantine Wachkin | 36 | Lodger | Truckman | Scotland |
| 40 | Cromwell A Bashaw | 37 | Head | Machinist | Vermont |
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)