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Laura Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Laura Smith across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed), with identified parents James & James — first a spouse (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Smith |
| Given Name | Laura |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | City of Duluth |
| 1935 Residence (County) | ST. LOUIS |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | City Of Duluth |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Laura | Age | Birth yr |
|---|---|---|---|---|
| Donald Smith | Head | — | 27 | ~1913 |
| Ina Rotz | Other | — | 23 | ~1917 |
| Deane Smith | Son | — | 1 | ~1939 |
| Laura Smith | Spouse | — | 25 | ~1915 |
Census Appearances
1920
St Louis, …
Daughter, age 4
St Louis, Minnesota · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Laura |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
St Louis, …
Daughter, age 15
St Louis, Minnesota · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Laura |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
St.-Louis-County, Minnesota
Spouse, age 25
St.-Louis-County, Minnesota · implied b. ~1915 — 4 household members
| Surname | Smith |
| Given Name | Laura |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | City of Duluth |
| 1935 Residence (County) | ST. LOUIS |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Laura Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Smith (~0.92 confidence) and father James Smith (~0.92 confidence) and mother Anna Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Smith
b. ~1873
Source father
● Household
· direct · ~0.92
Father
James Smith
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Anna Smith
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Laura Smith
Spouse · 1940 · age 25 · b. ~1915 · Minnesota
★ 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 — St.-Louis-County, Minnesota
Open full size
1940 US Federal Census — St.-Louis-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01974-00602)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Jackson | 54 | Wife | — | Minnesota |
| 2 | Charles S. Jackson | 25 | Son | Telegrapher | Minnesota |
| 3 | Margaret Jackson | 21 | Daughter | — | Minnesota |
| 4 | Elida L. Mclyman | 80 | Head | — | Wisconsin |
| 5 | Claude Mclyman | 47 | Son | Hammer Man | Wisconsin |
| 6 | William G. Gouett | 56 | Head | Machinist | Michigan |
| 7 | Marie Gouett | 46 | Wife | — | Minnesota |
| 8 | Robert Matthew | 46 | Head | Machinist | Minnesota |
| 9 | Mary Matthew | 44 | Wife | — | Minnesota |
| 10 | Mary K. Matthew | 16 | Daughter | — | Minnesota |
| 11 | Richard Matthew | 14 | Son | — | Minnesota |
| 12 | Helen R. Matthew | 10 | Daughter | — | Minnesota |
| 13 | James A. Matthew | 9 | Son | — | Minnesota |
| 14 | Donald R. Smith | 27 | Head | Chemist | Minnesota |
| 15 | Laura Smith THIS PERSON | 25 | Wife | — | Minnesota |
| 16 | Deane Smith | 1 | Son | — | Minnesota |
| 17 | Ina Rotz | 23 | Maid | Maid | Minnesota |
| 18 | Anna Clayton | 42 | Head | — | Michigan |
| 19 | Virginia Clayton | 15 | Daughter | New Worker | Minnesota |
| 20 | Barbara Clayton | 16 | Daughter | — | Minnesota |
| 21 | Richard A. Clayton | 13 | Son | — | Minnesota |
| 22 | Claude Clayton | 10 | Son | — | Minnesota |
| 23 | Terrance Clayton | 5 | Son | — | Minnesota |
| 24 | Fabian J. Cashin | 40 | Head | Boilermaker | Minnesota |
| 25 | Julia Cashin | 35 | Wife | — | Wisconsin |
| 26 | Rosemary Cashin | 17 | Daughter | New Worker | Minnesota |
| 27 | Shirley A. Cashin | 13 | Daughter | — | Minnesota |
| 28 | Roger Cashin | 11 | Son | — | Minnesota |
| 29 | Donald Cashin | 6 | Son | — | Minnesota |
| 30 | Carol Cashin | 3 | Daughter | — | Minnesota |
| 31 | Henry M. Eyer | 57 | Head | Chief Electrician | Iowa |
| 32 | Josephine E. Eyer | 51 | Wife | — | Montana |
| 33 | Antone Susienka | 45 | Head | Laborer | Czechoslovakia |
| 34 | Hilda Susienka | 42 | Wife | — | Finland |
| 35 | Violet Susienka | 17 | Daughter | — | Minnesota |
| 36 | Melvin Susienka | 16 | Son | New Worker | Minnesota |
| 37 | Wilbert Susienka | 13 | Son | — | Minnesota |
| 38 | Joseph A. Knapp | 65 | Head | Locomotive Engineer | Minnesota |
| 39 | Matilda Knapp | 58 | Wife | — | Minnesota |
| 40 | Lyle A. Thompson | 47 | Head | Civil Engineers Helper | Minnesota |
Pedigree Summary
Laura
Gen 1 · 3 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)