MA
Martha Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Minnesota
Our Model Tree links this Martha Anderson across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Minnesota (XGBoost, ~Confirmed), with identified parents James & James — first a spouse (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Minnesota |
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Duluth City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Duluth City |
| Est. Birth Year | ~1903 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| William Anderson | Head | — | 42 | ~1898 |
| William Anderson | Son | — | 5 | ~1935 |
| Martha Anderson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
St Louis, …
Daughter, age 17
St Louis, Minnesota · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Saleslady |
| Industry | Department Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
St Louis, …
Daughter, age 27
St Louis, Minnesota · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Salesgirl |
| Industry | Dept. Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
St.-Louis-County, Minnesota
Spouse, age 37
St.-Louis-County, Minnesota · implied b. ~1903 — 3 household members
| Surname | Anderson |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Duluth City |
| 1935 Residence (County) | St. Louis |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | Hs 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 Martha Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Anderson (~0.92 confidence) and father James Anderson (~0.92 confidence) and mother Freda Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Anderson
b. ~1862
Source father
● Household
· direct · ~0.92
Father
James Anderson
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Freda Anderson
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Martha Anderson
Spouse · 1940 · age 37 · b. ~1903 · 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-t0627-01974-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ellen L. Swanson | 38 | Wife | — | Minnesota |
| 42 | Irving Swanson | 11 | Son | — | Minnesota |
| 43 | Axel Modean | 60 | Head | Cabinet Maker | Sweden |
| 44 | Ellen L. Modean | 56 | Wife | — | Sweden |
| 45 | Carl O. Lien | 33 | Head | Minister | Canada-English |
| 46 | Margaret Lien | 34 | Wife | — | Indiana |
| 47 | Carol Lien | 5 | Daughter | — | Minnesota |
| 48 | Janice Lien | 0 | Daughter | — | Minnesota |
| 49 | Robert Spornitz | 32 | Head | Meat Cutter | Minnesota |
| 50 | Ida Spornitz | 44 | Wife | Saleslady | Michigan |
| 51 | John Norgard | 56 | Head | Millwright | Finland |
| 52 | Selma V. Norgard | 52 | Wife | — | Finland |
| 53 | Leonita Norgard | 26 | Daughter | Stenographer | Minnesota |
| 54 | Ruby I. Norgard | 24 | Daughter | Proprietor | Minnesota |
| 55 | David Norgard | 14 | Son | — | Minnesota |
| 56 | William F. Anderson | 42 | Head | Office Clerk | Minnesota |
| 57 | Martha Anderson THIS PERSON | 37 | Wife | — | Minnesota |
| 58 | William Anderson | 5 | Son | — | Minnesota |
| 59 | Marion Ganet | 37 | Head | Asst Motor Helper | S. Dakota |
| 60 | Geneva Ganet | 38 | Wife | Waitress | Wisconsin |
| 61 | Muriel Ganet | 16 | Daughter | — | Minnesota |
| 62 | Ole A. Mortenson | 72 | Head | — | Norway |
| 63 | Elizabeth Mortenson | 58 | Wife | — | Finland |
| 64 | Gustav Cohler | 62 | Head | Bridge & Building Foreman | Germany |
| 65 | Emma Cohler | 57 | Wife | — | Germany |
| 66 | Adeline Cohler | 22 | Daughter | Beauty Operator | Minnesota |
| 67 | Herman Jacobson | 47 | Head | Carpenter | Finland |
| 68 | Esther Jacobson | 44 | Wife | — | Finland |
| 69 | Morris Jacobson | 21 | Son | Labor | Minnesota |
| 70 | Nancy Jacobson | 17 | Daughter | — | Minnesota |
| 71 | Harvey Jacobson | 12 | Son | — | Minnesota |
| 72 | Morgan Jacobson | 3 | Son | — | Minnesota |
| 73 | Frank C. Luckow | 56 | Head | — | Germany |
| 74 | Augusta Luckow | 57 | Wife | — | Illinois |
| 75 | Robert Luckow | 19 | Son | — | Minnesota |
| 76 | Martin Slattery | 49 | Head | Labor | Norway |
| 77 | Ida Slattery | 45 | Wife | Housework | Norway |
| 78 | Marshall Slattery | 23 | Son | Assistant Manager | Minnesota |
| 79 | Martha Slattery | 19 | Daughter | Maid | Minnesota |
| 80 | Kenneth Slattery | 17 | Son | Attendant | Minnesota |
Pedigree Summary
Martha
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)