LJ
Louis Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Walworth, Wisconsin
Our Model Tree links this Louis Johnson across the 1920 and 1930 US Censuses in Walworth, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 8-person household.
Age 57
b. ~1873
Male
Head
Born: Sweden
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Walworth, Wisconsin |
| Surname | Johnson |
| Given Name | Louis J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 34 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Janitor |
| Industry | High School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Home Value / Rent | 40.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Janitor |
| Township / Ward | Lake Geneva City |
| Est. Birth Year | ~1873 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Pauline Johnson | Daughter | — | 14 | ~1916 |
| Jean Johnson | Daughter | — | 11 | ~1919 |
| Flora Johnson | Daughter | — | 16 | ~1914 |
| Louis Johnson | Head | — | 57 | ~1873 |
| Louis Johnson | Son | — | 21 | ~1909 |
| Leroy Johnson | Son | — | 22 | ~1908 |
| Harold Johnson | Son | — | 19 | ~1911 |
| Mabel Johnson | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Walworth, Wisconsin
Head, age 46
Walworth, Wisconsin · implied b. ~1874 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Louis J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Laborer |
| Industry | Farm |
| 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 | 1900 |
| Birthplace (normalized) | sweden |
1930
Walworth, Wisconsin
Head, age 57
Walworth, Wisconsin · implied b. ~1873 — 8 household members
| Surname | Johnson |
| Given Name | Louis J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 34 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Janitor |
| Industry | High School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | R |
| Home Value / Rent | 40.00 |
| Radio Set | R |
| Veteran | No |
| 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 Louis Johnson across 2 US Census years (1920 and 1930) in Walworth, Wisconsin, using XGBoost record linkage.
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This person
Anchor record
Louis Johnson
Head · 1930 · age 57 · b. ~1873 · Wisconsin
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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 — Walworth, Wisconsin
Open full size
1930 US Federal Census — Walworth, Wisconsin
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2615unit:0919)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Bestor | 46 | Head | Blacksmith | United States |
| 2 | Nora B. Bestor | 51 | Wife | — | Germany |
| 3 | Herbert Bestor | 26 | Son | Laborer | Wisconsin |
| 4 | Gerhard Bestor | 23 | Son | — | Wisconsin |
| 5 | Louis J. Johnson THIS PERSON | 57 | Head | Janitor | Sweden |
| 6 | Mabel Johnson | 47 | Wife | — | Illinois |
| 7 | Leroy M. Johnson | 22 | Son | Salesman | Wisconsin |
| 8 | Louis J. Jr. Johnson | 21 | Son | Gardener | Wisconsin |
| 9 | Harold J. Johnson | 19 | Son | — | Wisconsin |
| 10 | Flora B. Johnson | 16 | Daughter | — | Wisconsin |
| 11 | Pauline L. Johnson | 14 | Daughter | — | Wisconsin |
| 12 | Jean P. Johnson | 11 | Daughter | — | Wisconsin |
| 13 | Harry M. Sorenson | 32 | Head | Agent | Wisconsin |
| 14 | Cecile E. Sorenson | 25 | Wife | — | Wisconsin |
| 15 | George Petroff | 41 | Head | Partner | Bulgaria |
| 16 | Kate Petroff | 41 | Wife | — | Jugo Slavia |
| 17 | George Jr. Petroff | 11 | Son | — | Wisconsin |
| 18 | James A. Parker | 72 | Head | — | New York |
| 19 | James B. Leek | 29 | Head | Mechanic | Alabama |
| 20 | Gladys M. Leek | 21 | Wife | — | Wisconsin |
| 21 | James J. Leek | 1 | Son | — | Wisconsin |
| 22 | Alice Gill | 55 | Head | — | Norway |
| 23 | Norman Gill | 21 | Son | Merchant | Illinois |
| 24 | Leroy Howe | 53 | Head | Laborer | Wisconsin |
| 25 | Mary J. Howe | 48 | Wife | — | West Virginia |
| 26 | Grace West | 35 | Head | — | Wisconsin |
| 27 | Grace D. West | 11 | Daughter | — | Wisconsin |
| 28 | Betty J. West | 9 | Daughter | — | Wisconsin |
| 29 | Richard H. West | 7 | Son | — | Wisconsin |
| 30 | Etta E. Palmer | 54 | Head | Nurse | Wisconsin |
| 31 | Peter Hansen | 45 | Head | Truck Driver | Wisconsin |
| 32 | Lena Hansen | 39 | Wife | — | Germany |
| 33 | Hannah Radke | 65 | Head | Cook | Sweden |
| 34 | George Standard | 38 | Head | Owner | New York |
| 35 | Mamie Standard | 51 | Wife | — | Illinois |
| 36 | Albert J. Kuehni | 35 | Head | Merchant | Wisconsin |
| 37 | Sophia A. Kuehni | 28 | Wife | Saleslady | Wisconsin |
| 38 | Wayne E. Kuehni | 5 | Son | — | Wisconsin |
| 39 | Edith J. Kuehni | 3 | Daughter | — | Wisconsin |
| 40 | Wm. H. Baughan | 49 | Head | Electrician | Tennessee |
| 41 | Ethel H. Baughan | 39 | Wife | — | England |
| 42 | Billie J. Baughan | 10 | Son | — | Tennessee |
| 43 | Lillian J. Murphy | 49 | Head | — | Wisconsin |
| 44 | Donald J. Murphy | 27 | Son | Salesman | Wisconsin |
| 45 | Josephine J. Murphy | 18 | Daughter | Stenographer | Wisconsin |
| 46 | N. Kathy J. Murphy | 16 | Daughter | — | Wisconsin |
| 47 | Edward J. O'Leary | 45 | Head | Laborer | New York |
| 48 | Frances H. O'Leary | 42 | Wife | — | New York |
| 49 | Martha A. O'Leary | 3 | Daughter | Teacher | Wisconsin |
| 50 | Edward J. Jr. O'Leary | 2 | Son | Salesman | Wisconsin |
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)