MN
Margaret Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, Iowa
Our Model Tree links this Margaret Nelson across the 1920, 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 3-person household.
Age 48
b. ~1892
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Iowa |
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Garden Township |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Industry | H |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Garden Township |
| Est. Birth Year | ~1892 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Virginia Nelson | Daughter | — | 16 | ~1924 |
| G Nelson | Head | — | 51 | ~1889 |
| Margaret Nelson | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Boone, Iowa
Spouse, age 27
Boone, Iowa · implied b. ~1893 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Boone, Iowa
Other, age 38
Boone, Iowa · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 18 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Boone-County, Iowa
Spouse, age 48
Boone-County, Iowa · implied b. ~1892 — 3 household members
| Surname | Nelson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Garden Township |
| 1935 Residence (County) | Boone |
| Industry | H |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Margaret Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Nelson
Spouse · 1940 · age 48 · b. ~1892 · 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 — Boone-County, Iowa
Open full size
1940 US Federal Census — Boone-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01141-00651)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | G. H. Nelson | 51 | Head | Farmer | Illinois |
| 2 | Margaret Nelson THIS PERSON | 48 | Wife | — | Illinois |
| 3 | Virginia Nelson | 16 | Daughter | — | Iowa |
| 4 | Gust E. Engquist | 49 | Head | Farmer | Sweden |
| 5 | Esther Engquist | 52 | Wife | — | Iowa |
| 6 | Edgar Engquist | 19 | Son | Farm Laborer | Iowa |
| 7 | Glen O. Mayer | 41 | Head | Farmer | Iowa |
| 8 | Grace Mayer | 34 | Wife | — | Iowa |
| 9 | Gwendlyn Mayer | 16 | Daughter | — | Iowa |
| 10 | Wilda Mayer | 13 | Daughter | — | Iowa |
| 11 | Ramona Mayer | 7 | Daughter | — | Iowa |
| 12 | Glenda Mayer | 4 | Daughter | — | Iowa |
| 13 | Verva Mayer | 2 | Daughter | — | Iowa |
| 14 | Ellis Campbell | 29 | Head | Farmer | Iowa |
| 15 | Opal Campbell | 30 | Wife | — | Iowa |
| 16 | Donald Campbell | 3 | Son | — | Iowa |
| 17 | James Turner | 51 | Head | Farmer | Iowa |
| 18 | Lucile Turner | 42 | Wife | — | Iowa |
| 19 | Rose Turner | 15 | Daughter | — | Iowa |
| 20 | Joe Schweitzer | 24 | Hired man | Farm Laborer | S. Dakota |
| 21 | Will O. Erickson | 48 | Head | Farmer | Iowa |
| 22 | Anna Hilliam | 43 | Sister | — | Iowa |
| 23 | John X. Erickson | 50 | Head | Farmer | Iowa |
| 24 | Luella Erickson | 49 | Wife | — | Iowa |
| 25 | Forrest Erickson | 40 | Head | Farmer | Iowa |
| 26 | Marjorie Erickson | 30 | Wife | — | Iowa |
| 27 | Lloyd Erickson | 12 | Son | — | Iowa |
| 28 | Wayne Erickson | 10 | Son | — | Iowa |
| 29 | Stanley Erickson | 8 | Son | — | Iowa |
| 30 | A. A. Check | 48 | Head | Farmer | Iowa |
| 31 | Elinora Check | 45 | Wife | — | Iowa |
| 32 | Beth Check | 17 | Daughter | — | Iowa |
| 33 | Ralph Check | 14 | Son | — | Iowa |
| 34 | John D. Long | 63 | Head | Farmer | Iowa |
| 35 | Daisy Long | 61 | Wife | — | Iowa |
| 36 | Leona Long | 27 | Daughter | Housekeeping | S. Dakota |
| 37 | Verdayne James | 26 | Lodger | — | S. Dakota |
| 38 | Carl L. Swanson | 52 | Head | Farmer | Sweden |
| 39 | Esther Swanson | 45 | Wife | — | Sweden |
| 40 | John Patrick | 17 | Hired man | Farm Laborer | Iowa |
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)