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Oscar Larson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Minnesota
Our Model Tree links this Oscar Larson across the 1910, 1920, 1930 and 1940 US Censuses in St Louis, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 7-person household.
Age 45
b. ~1885
Male
Head
Born: Norway
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Minnesota |
| Surname | Larson |
| Given Name | Oscar A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 22 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Own Shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Carpenter |
| Township / Ward | Duluth City |
| Est. Birth Year | ~1885 |
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 Oscar | Age | Birth yr |
|---|---|---|---|---|
| Arnold Larson | Son | — | 21 | ~1909 |
| Leona Larson | Daughter | — | 18 | ~1912 |
| Wella Larson | Daughter | — | 17 | ~1913 |
| Oscar Larson | Head | — | 45 | ~1885 |
| Josephine Larson | Spouse | — | 41 | ~1889 |
| Evelyn Larson | Daughter | — | 22 | ~1908 |
| Olive Larson | Daughter | — | 15 | ~1915 |
Census Appearances
1910
Hennepin, Minnesota
Other, age 24
Hennepin, Minnesota · implied b. ~1886 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Oscar |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Norway |
| Year of Immigration | 1904 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Railroad |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
St Louis, …
Head, age 35
St Louis, Minnesota · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larsen |
| Given Name | Oscar A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1903 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | carpenter |
| Industry | Brewing Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
St Louis, …
Head, age 45
St Louis, Minnesota · implied b. ~1885 — 7 household members
| Surname | Larson |
| Given Name | Oscar A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 22 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Carpenter |
| Industry | Own Shop |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
St.-Louis-County, Minnesota
Head, age 55
St.-Louis-County, Minnesota · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Luarsen |
| Given Name | Oscar |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Norway |
| 1935 Residence (City) | Duluth |
| 1935 Residence (County) | St. Louis |
| Naturalization Status | Naturalized |
| Occupation | Cabinet Maker |
| Industry | Brewery |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Oscar Larson across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
Oscar Larson
Head · 1930 · age 45 · b. ~1885 · Minnesota
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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 — St Louis, Minnesota
Open full size
1930 US Federal Census — St Louis, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1127:0353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Clarence W. Bodin | 30 | Head | Bookkeeper | Minnesota |
| 52 | Ingeborg F. Bodin | 27 | Wife | — | Norway |
| 53 | Lorraine A. Bodin | 5 | Daughter | — | Minnesota |
| 54 | Warren R. Bodin | 1 | Son | — | Minnesota |
| 55 | Herman Soderstrom | 33 | Head | Asst Head Farmer | Finland |
| 56 | Helmi M. Soderstrom | 29 | Wife | — | Finland |
| 57 | Herman V. Soderstrom | 4 | Son | — | Minnesota |
| 58 | Victor E. Hongell | 36 | Roomer | Laborer | Finland |
| 59 | Edward Elbotte | 32 | Boarder | Inspector | Minnesota |
| 60 | Oscar A. Larson THIS PERSON | 45 | Head | Carpenter | Norway |
| 61 | Josephine L. Larson | 41 | Wife | — | Michigan |
| 62 | Evelyn V. Larson | 22 | Daughter | Stenographer | Michigan |
| 63 | Arnold L. Larson | 21 | Son | Billing Clerk | Michigan |
| 64 | Leona L. Larson | 18 | Daughter | Stenographer | Michigan |
| 65 | Wella M. Larson | 17 | Daughter | — | Michigan |
| 66 | Olive J. Larson | 15 | Daughter | — | Michigan |
| 67 | John Back | 39 | Head | Wheel Maker | Finland |
| 68 | Esther Back | 32 | Wife | — | Finland |
| 69 | Edwin J. Back | 14 | Son | — | Minnesota |
| 70 | Mary E. Back | 11 | Daughter | — | Minnesota |
| 71 | Shirley E. Back | 3 | Daughter | — | Minnesota |
| 72 | Carl J. Stam | 28 | Boarder | Horseshoe Maker | Finland |
| 73 | Andrew Anderson | 38 | Boarder | General Work | Finland |
| 74 | John L. Tomaski | 36 | Head | Electrician | Michigan |
| 75 | Teodosia Tomaski | 36 | Wife | — | Minnesota |
| 76 | Mary E. Tomaski | 13 | Daughter | — | Minnesota |
| 77 | John R. Tomaski | 10 | Son | — | Minnesota |
| 78 | Joan R. Tomaski | 10 | Daughter | — | Minnesota |
| 79 | Elna M. Johnson | 27 | Head | — | Wisconsin |
| 80 | Lois M. Johnson | 2 | Daughter | — | Minnesota |
| 81 | Le Roy H. Johnson | 1 | Son | — | Minnesota |
| 82 | Ida May Engle | 34 | Boarder | Saleslady | Michigan |
| 83 | Albert B. Peterson | 37 | Head | Asst Machinist | Minnesota |
| 84 | Harriette Peterson | 30 | Wife | — | Norway |
| 85 | Lois M. Peterson | 4 | Daughter | — | Minnesota |
| 86 | Ronald M. Peterson | 1 | Son | — | Minnesota |
| 87 | Jenny Erickson | 51 | Head | Laundress | Minnesota |
| 88 | Jeanette L. Erickson | 21 | Daughter | Secretary | Minnesota |
| 89 | Bernice I. Erickson | 17 | Daughter | Wrapper | Minnesota |
| 90 | Stanley W. Erickson | 19 | Son | Salesman | Minnesota |
| 91 | Wilson W. Erickson | 13 | Son | — | Minnesota |
| 92 | John Patrick | 43 | Head | Electrician | Minnesota |
| 93 | Ida G. Patrick | 39 | Wife | — | Minnesota |
| 94 | Anna L. Patrick | 17 | Daughter | Store Clerk | Minnesota |
| 95 | Clara L. Patrick | 15 | Daughter | — | Minnesota |
| 96 | Teresa E. Patrick | 13 | Daughter | — | Minnesota |
| 97 | Roberta Patrick | 9 | Daughter | — | Minnesota |
| 98 | Florence Patrick | 7 | Daughter | — | Minnesota |
| 99 | Theodore H. Patrick | 4 | Son | — | Minnesota |
| 100 | Gust S. Larson | 46 | Head | Oiler | Sweden |
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)