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Martin Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wapello-County, Iowa
Our Model Tree links this Martin Anderson across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed), with identified parents Alfred — first a head (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wapello-County, Iowa |
| Surname | Anderson |
| Given Name | Martin L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello County |
| Additional Details | |
| Occupation | Buyer |
| Industry | Wholesale |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 2000 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Buyer |
| Township / Ward | Ottumwa City |
| Est. Birth Year | ~1899 |
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 Anderson | Head | — | 41 | ~1899 |
| Richard Anderson | Son | — | 5 | ~1935 |
| Alford Anderson | Other | — | 80 | ~1860 |
| Genevieve Anderson | Spouse | — | 40 | ~1900 |
| Nadine Anderson | Daughter | — | 10 | ~1930 |
Census Appearances
1920
Wapello, Iowa
Son, age 21
Wapello, Iowa · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martin V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Checker |
| Industry | Wholesale Grocery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Wapello, Iowa
Head, age 31
Wapello, Iowa · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Martin L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Book Keeper |
| Industry | Telephone Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Wapello-County, Iowa
Head, age 41
Wapello-County, Iowa · implied b. ~1899 — 5 household members
| Surname | Anderson |
| Given Name | Martin L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa City |
| 1935 Residence (County) | Wapello County |
| Occupation | Buyer |
| Industry | Wholesale |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 2000 |
| Highest Grade | H 3 |
| 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 Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Anderson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Anderson
b. ~1870
Source father
● Household
· direct · ~0.92
This person
Anchor record
Martin Anderson
Head · 1940 · age 41 · b. ~1899 · Iowa
★ 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 — Wapello-County, Iowa
Open full size
1940 US Federal Census — Wapello-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01209-00332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David Friede | 14 | Son | — | Iowa |
| 42 | Marlene Josephine Friede | 7 | Daughter | — | Iowa |
| 43 | Paul Bissell | 33 | Head | Teacher | Missouri |
| 44 | Leola D. Bissell | 32 | Wife | — | Missouri |
| 45 | Joyce Anne Bissell | 5 | Daughter | — | Missouri |
| 46 | Lawrence Johnston | 33 | Head | Manager | Kansas |
| 47 | Olive Johnston | 28 | Wife | — | Iowa |
| 48 | Paul Loftus | 34 | Head | Road Master | Iowa |
| 49 | Margaret Loftus | 32 | Wife | — | Missouri |
| 50 | Elyce Loftus | 14 | Daughter | — | Iowa |
| 51 | Paul Michael Loftus | 3 | Son | — | Wisconsin |
| 52 | John J. Mcdermott | 38 | Head | Dentist | Iowa |
| 53 | Genevieve Mcdermott | 39 | Wife | — | Iowa |
| 54 | Maryann Mcdermott | 9 | Daughter | — | Iowa |
| 55 | Susan Mcdermott | 6 | Daughter | — | Iowa |
| 56 | Lana L. Flamme | 31 | Lodger | Teacher | Iowa |
| 57 | Ruth Mcclure | 32 | Lodger | Teacher | Iowa |
| 58 | Claude Hoff | 34 | Head | Patrolman | Iowa |
| 59 | Josephine Hoff | 36 | Wife | — | Iowa |
| 60 | Grandolene Hoff | 4 | Daughter | — | Iowa |
| 61 | Judith Ann Hoff | 2 | Daughter | — | Iowa |
| 62 | Howard C. Roach | 35 | Head | Principal | Iowa |
| 63 | Selesta Roach | 36 | Wife | — | Iowa |
| 64 | William A. Rozeboom | 46 | Head | Teacher | Iowa |
| 65 | Cynthia Rozeboom | 43 | Wife | — | Iowa |
| 66 | William Warren Rozeboom | 12 | Son | — | Iowa |
| 67 | Earl Gordon Rozeboom | 8 | Son | — | Iowa |
| 68 | Paul Eugene Rozeboom | 1 | Son | — | Iowa |
| 69 | Ola Lundberg | 71 | Head | — | Sweden |
| 70 | Martha Lundberg | 42 | Daughter | Bookkeeper | Iowa |
| 71 | William O. Helton | 58 | Head | Butcher | Missouri |
| 72 | Fannie Helton | 55 | Wife | — | Missouri |
| 73 | Hugh Helton | 30 | Son | Salesman | Iowa |
| 74 | Martin L. Anderson THIS PERSON | 41 | Head | Buyer | Iowa |
| 75 | Genevieve Anderson | 40 | Wife | — | Iowa |
| 76 | Nadine Anderson | 10 | Daughter | — | Iowa |
| 77 | Richard Anderson | 5 | Son | — | Iowa |
| 78 | Alford Anderson | 80 | Father | — | Sweden |
| 79 | James D. Dr. Miller | 35 | Head | Dentist | Iowa |
| 80 | Velma L. Miller | 33 | Wife | — | Iowa |
Pedigree Summary
Martin
Gen 1 · 1 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)