MN
Martin Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mower-County, Minnesota
Our Model Tree links this Martin Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Mower-County, Minnesota (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 5-person household.
Age 51
b. ~1889
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mower-County, Minnesota |
| Surname | Nelson |
| Given Name | Martin A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Austin City |
| 1935 Residence (County) | Mower |
| Additional Details | |
| Occupation | Lawyer |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 68 |
| Income (1939) | 5000 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Lawyer |
| Township / Ward | Austin City |
| Est. Birth Year | ~1889 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martin | Age | Birth yr |
|---|---|---|---|---|
| Martin Nelson | Head | — | 51 | ~1889 |
| Enid Nelson | Daughter | — | 14 | ~1926 |
| Viola Larson | Other | — | 23 | ~1917 |
| Arthur Nelson | Son | — | 17 | ~1923 |
| Merle Nelson | Spouse | — | 41 | ~1899 |
Census Appearances
1910
Mower, Minnesota
Other, age 21
Mower, Minnesota · implied b. ~1889 — 22 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Martin |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Nor. Norwegian |
| Mother's Birthplace | Nor. Norwegian |
| Occupation | Drug clerk |
| Industry | Drug store |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Mower, Minnesota
Other, age 30
Mower, Minnesota · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Martin A |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Attorney |
| Industry | Law Office |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Mower, Minnesota
Head, age 41
Mower, Minnesota · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Martin A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 32 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Lawyer |
| Industry | General Practice |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | Yes |
| Radio Set | WW |
| Veteran | 5000 |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Mower-County, Minnesota
Head, age 51
Mower-County, Minnesota · implied b. ~1889 — 5 household members
| Surname | Nelson |
| Given Name | Martin A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Austin City |
| 1935 Residence (County) | Mower |
| Occupation | Lawyer |
| Industry | Private Practice |
| Class of Worker | OA |
| Hours Worked | 68 |
| Income (1939) | 5000 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Martin Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martin Nelson
Head · 1940 · age 51 · b. ~1889 · Minnesota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mower-County, Minnesota
Open full size
1940 US Federal Census — Mower-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01940-00259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel Haskett | 38 | Sister-in-law | — | Minnesota |
| 2 | Martin A. Nelson THIS PERSON | 51 | Head | Lawyer | Iowa |
| 3 | Merle Nelson | 41 | Wife | — | Minnesota |
| 4 | Arthur Nelson | 17 | Son | — | Minnesota |
| 5 | Enid Nelson | 14 | Daughter | — | Minnesota |
| 6 | Viola Larson | 23 | Housekeeper | Housekeeper | Iowa |
| 7 | Fanny Femmel | 60 | Head | Cook | Wisconsin |
| 8 | Agnes Ball | 39 | Daughter | Laborer | Minnesota |
| 9 | Arthur J. Ball | 20 | Grandson | Laborer | Minnesota |
| 10 | Howard Ball | 19 | Grandson | Helper | Minnesota |
| 11 | Ralph S. Ball | 17 | Grandson | — | Minnesota |
| 12 | Iris M. Ball | 15 | Granddaughter | — | Minnesota |
| 13 | Charles Ball | 13 | Grandson | — | California |
| 14 | Harold Ball | 12 | Grandson | — | California |
| 15 | Oscar L. Kodell | 36 | Head | Auto Mechanic | Minnesota |
| 16 | Helen Kodell | 30 | Wife | — | Minnesota |
| 17 | John P. Gehagen | 48 | Head | Cook | Minnesota |
| 18 | Addie Gehagen | 50 | Wife | — | Iowa |
| 19 | Richard Lass | 77 | Head | Janitor | Germany |
| 20 | Mary Lass | 75 | Wife | — | Germany |
| 21 | Louis E. Jones | 56 | Head | Pipe Fitter | Kansas |
| 22 | Grace Jones | 47 | Wife | — | Minnesota |
| 23 | Gladys Jones | 19 | Daughter | Comptometer Operator | Minnesota |
| 24 | Joyce Sering | 20 | Lodger | Comptometer Operator | Minnesota |
| 25 | Edward T. Mathison | 58 | Head | Weigh-Scaler | Minnesota |
| 26 | Ethel M. Mathison | 44 | Wife | Bookkeeper | Minnesota |
| 27 | James H. Wood | 79 | Head | — | Wisconsin |
| 28 | Quithy Wood | 19 | Wife | Saleslady | Minnesota |
| 29 | Peter J. Roland | 35 | Head | Supervisor | Minnesota |
| 30 | Margaret Roland | 33 | Wife | — | North Dakota |
| 31 | Elizabeth Roland | 7 | Daughter | — | North Dakota |
| 32 | George W. Armstrong | 49 | Head | Sales Manager | Montana |
| 33 | Hazel Armstrong | 46 | Wife | — | Minnesota |
| 34 | Helen Armstrong | 21 | Daughter | Stenographer | Kansas |
| 35 | Shirley Armstrong | 16 | Daughter | — | Minnesota |
| 36 | Nels A. Petersen | 50 | Head | Contractor | Denmark |
| 37 | Emma Petersen | 47 | Wife | — | Iowa |
| 38 | Rolland D. Barnes | 41 | Head | Personnel Manager | Illinois |
| 39 | Merna Barnes | 30 | Wife | — | North Dakota |
| 40 | John Barnes | 15 | Son | — | Minnesota |
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)