LJ
Leo Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New Haven, Connecticut
Our Model Tree links this Leo Johnson across the 1920 and 1930 US Censuses in New Haven, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 7-person household.
Age 44
b. ~1886
Male
Head
Born: Sweden
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | New Haven, Connecticut |
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 28 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Joiner |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Home Value / Rent | 14 |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Joiner |
| Township / Ward | Meriden City |
| Est. Birth Year | ~1886 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Leo | Age | Birth yr |
|---|---|---|---|---|
| Margaret Johnson | Daughter | — | 18 | ~1912 |
| Ruth Johnson | Daughter | — | 7 | ~1923 |
| Leo Johnson | Head | — | 44 | ~1886 |
| Lillian Johnson | Daughter | — | 11 | ~1919 |
| Elizabeth Johnson | Daughter | — | 15 | ~1915 |
| Carl Johnson | Son | — | 21 | ~1909 |
| Esther Johnson | Other | — | 40 | ~1890 |
Census Appearances
1920
Hartford, Connecticut
Head, age 33
Hartford, Connecticut · implied b. ~1887 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Machinist |
| Industry | Foundry |
| 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 | 1910 |
| Birthplace (normalized) | sweden |
1930
New Haven, …
Head, age 44
New Haven, Connecticut · implied b. ~1886 — 7 household members
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1906 |
| Age at First Marriage | 28 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Joiner |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Home Value / Rent | 14 |
| 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 Leo Johnson across 2 US Census years (1920 and 1930) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leo Johnson
Head · 1930 · age 44 · b. ~1886 · Connecticut
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — New Haven, Connecticut
Open full size
1930 US Federal Census — New Haven, Connecticut
Page Contents
50 people indexed on this census page (ia:1930:15thcensus273unit:1089)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Helen Oravick | 2 | Daughter | — | Connecticut |
| 52 | William Kolinek | 34 | Head | Laborer | Russia |
| 53 | Katie Kolinek | 37 | Wife-H | — | Russia |
| 54 | Helen Kolinek | 6 | Daughter | — | New York |
| 55 | Julia Kolinek | 5 | Daughter | — | New York |
| 56 | Phillip Provost | 28 | Head | Laborer | Maine |
| 57 | Elizabeth Provost | 27 | Wife-H | — | Canada-French |
| 58 | Ida Provost | 3 | Daughter | — | Connecticut |
| 59 | Phillip Provost | 1 | Son | — | Connecticut |
| 60 | Marie B. Provost | 0 | Daughter | — | Connecticut |
| 61 | Alias Ponell | 65 | Head | — | England |
| 62 | William W. Ponell | 28 | Son | Line Man | Connecticut |
| 63 | George H. Ponell | 26 | Son | Steam Fitter | New York |
| 64 | Douglas A. Troy | 55 | Head | Machine Fixer | Canada-English |
| 65 | Annie Troy | 45 | Wife-H | — | Newfoundland |
| 66 | Harold A. Troy | 16 | Son | — | Massachusetts |
| 67 | Arthur Douglas | 58 | Head | Machinist | Connecticut |
| 68 | Katherine Douglas | 65 | Wife-H | — | Sweden |
| 69 | Harold Douglas | 30 | Head | Carpenter | Connecticut |
| 70 | Mary Douglas | 26 | Wife-H | Scratch Brusher | Russia |
| 71 | Bernard A. Schultz | 36 | Head | School Solderer | Connecticut |
| 72 | Anna L. Schultz | 31 | Wife-H | — | Connecticut |
| 73 | Velma Schultz | 7 | Daughter | — | Connecticut |
| 74 | Jacob Turek | 40 | Head | Laborer | Poland |
| 75 | Carolina Turek | 35 | Wife-H | — | Poland |
| 76 | Stacia Turek | 12 | Daughter | — | Connecticut |
| 77 | Helen Turek | 11 | Daughter | — | Connecticut |
| 78 | Agnes Turek | 9 | Daughter | — | Connecticut |
| 79 | Teddy Turek | 6 | Son | — | Connecticut |
| 80 | Mary Turek | 4 | Daughter | — | Connecticut |
| 81 | Carl Turek | 2 | Son | — | Connecticut |
| 82 | Jeanette Turek | 1 | Daughter | — | Connecticut |
| 83 | Thomas J. Dyka | 34 | Head | Carpenter | Poland |
| 84 | Mary S. Dyka | 34 | Wife-H | — | Poland |
| 85 | Frank L. Dyka | 13 | Son | — | Connecticut |
| 86 | Sophie Dyka | 11 | Daughter | — | Connecticut |
| 87 | Leo Johnson THIS PERSON | 44 | Head | Joiner | Sweden |
| 88 | Esther Johnson | 40 | Wife-H | — | Sweden |
| 89 | Carl Johnson | 21 | Son | Winder | Massachusetts |
| 90 | Margaret Johnson | 18 | Daughter | Painting Fixtures | Sweden |
| 91 | Elizabeth Johnson | 15 | Daughter | — | Massachusetts |
| 92 | Lillian Johnson | 11 | Daughter | — | Connecticut |
| 93 | Ruth Johnson | 7 | Daughter | — | Connecticut |
| 94 | Joseph A. Niemiec | 42 | Head | Fireman | Poland |
| 95 | Katherine Niemiec | 40 | Wife-H | — | Poland |
| 96 | Alfred J. Niemiec | 18 | Son | — | Connecticut |
| 97 | Lloyd Niemiec | 16 | Son | — | Connecticut |
| 98 | Helen Niemiec | 13 | Daughter | — | Connecticut |
| 99 | Rita Niemiec | 11 | Daughter | — | Connecticut |
| 100 | Daniel Niemiec | 8 | Son | — | Connecticut |
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)