MH
Margaret Henderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pocahontas-County, Iowa
Our Model Tree links this Margaret Henderson across the 1930 and 1940 US Censuses in Pocahontas-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 7-person household.
Age 34
b. ~1906
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pocahontas-County, Iowa |
| Surname | Henderson |
| Given Name | Margaret |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Powhatan |
| 1935 Residence (County) | Pocahontas |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Powhatan |
| Est. Birth Year | ~1906 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Gary Henderson | Son | — | ~1940 | |
| Eileen Henderson | Daughter | — | 11 | ~1929 |
| Margaret Henderson | Spouse | — | 34 | ~1906 |
| Kenneth Henderson | Son | — | 6 | ~1934 |
| Raymond Henderson | Head | — | 34 | ~1906 |
| Robert Henderson | Son | — | 9 | ~1931 |
| Linda Henderson | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Pocahontas, Iowa
Other, age 24
Pocahontas, Iowa · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | Margaret M |
| Relationship to Head | Daughter-in-law |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Pocahontas-County, Iowa
Spouse, age 34
Pocahontas-County, Iowa · implied b. ~1906 — 7 household members
| Surname | Henderson |
| Given Name | Margaret |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Powhatan |
| 1935 Residence (County) | Pocahontas |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Henderson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Henderson
Spouse · 1940 · age 34 · b. ~1906 · Iowa
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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 — Pocahontas-County, Iowa
Open full size
1940 US Federal Census — Pocahontas-County, Iowa
Page Contents
29 people indexed on this census page (nara:1940:m-t0627-01191-00403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Janet Heathman | 5 | daughter | — | Iowa |
| 42 | Gerald Henderson | 34 | head | Farm Operator | Iowa |
| 43 | Mildred Henderson | 32 | wife | — | Iowa |
| 44 | Geraldine Henderson | 11 | daughter | — | Iowa |
| 45 | Dennis Henderson | 10 | son | — | Iowa |
| 46 | Warren Henderson | 8 | son | — | Iowa |
| 47 | Donna Jean Henderson | 6 | daughter | — | Iowa |
| 48 | Gaylord Henderson | 2 | son | — | Iowa |
| 49 | Tom Comer | 57 | head | Farm Operator | Iowa |
| 50 | Belle Comer | 58 | wife | — | Illinois |
| 51 | James P Henderson | 68 | head | Farmer Retired | Iowa |
| 52 | Ruth Henderson | 36 | daughter | — | Iowa |
| 53 | Raymond Henderson | 34 | head | Farm Operator | Iowa |
| 54 | Margaret Henderson THIS PERSON | 34 | wife | — | Missouri |
| 55 | Eileen Henderson | 11 | daughter | — | Iowa |
| 56 | Robert Henderson | 9 | son | — | Iowa |
| 57 | Kenneth Henderson | 6 | son | — | Iowa |
| 58 | Linda Henderson | 1 | daughter | — | Iowa |
| 59 | Gary Henderson | 0 | son | — | Iowa |
| 60 | Harvey Henderson | 49 | head | Farm Operator | Iowa |
| 61 | Fidil|Fidel Henderson | 46 | wife | — | Illinois |
| 62 | Loraine Henderson | 23 | daughter | — | Iowa |
| 63 | Wilma Henderson | 20 | daughter | — | Iowa |
| 64 | Wayne Henderson | 18 | son | — | Iowa |
| 65 | Lawrence Henderson | 14 | son | — | Iowa |
| 66 | Leonard Henderson | 14 | son | — | Iowa |
| 67 | Richard Henderson | 7 | son | — | Iowa |
| 68 | Mervin Iler | 24 | head | Farm Operator | Iowa |
| 69 | Valera Iler | 24 | wife | — | Missouri |
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)