JH
James Henderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pocahontas-County, Iowa
Our Model Tree links this James Henderson across the 1910, 1920, 1930 and 1940 US Censuses in Pocahontas-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 2-person household.
Age 68
b. ~1872
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pocahontas-County, Iowa |
| Surname | Henderson |
| Given Name | James P |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Powhatan |
| 1935 Residence (County) | Pocahontas |
| Additional Details | |
| Occupation | farmer retired |
| Industry | operator |
| Class of Worker | E |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer Retired |
| Township / Ward | Powhatan |
| Est. Birth Year | ~1872 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ruth Henderson | Daughter | — | 36 | ~1904 |
| James Henderson | Head | — | 68 | ~1872 |
Census Appearances
1910
Pocahontas, Iowa
Head, age 38
Pocahontas, Iowa · implied b. ~1872 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | J. P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 8 |
| Father's Birthplace | Scot Scotch |
| Mother's Birthplace | Canada |
| Occupation | Farmer |
| Industry | General Farm |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Pocahontas, Iowa
Head, age 48
Pocahontas, Iowa · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | James C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pocahontas, Iowa
Head, age 58
Pocahontas, Iowa · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | James P |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Canada-Eng. |
| Occupation | Manager |
| Industry | Gen Farm |
| Class of Worker | WWW |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pocahontas-County, Iowa
Head, age 68
Pocahontas-County, Iowa · implied b. ~1872 — 2 household members
| Surname | Henderson |
| Given Name | James P |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Powhatan |
| 1935 Residence (County) | Pocahontas |
| Occupation | farmer retired |
| Industry | operator |
| Class of Worker | E |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 James Henderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Henderson
Head · 1940 · age 68 · b. ~1872 · 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 THIS PERSON | 68 | head | Farmer Retired | Iowa |
| 52 | Ruth Henderson | 36 | daughter | — | Iowa |
| 53 | Raymond Henderson | 34 | head | Farm Operator | Iowa |
| 54 | Margaret Henderson | 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 |
Related Census Records
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)