RH
Robert Henderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Appanoose-County, Iowa
Our Model Tree links this Robert Henderson across the 1920, 1930 and 1940 US Censuses in Appanoose-County, Iowa (XGBoost, ~Confirmed), with identified parents Ernest & Evert — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Appanoose-County, Iowa |
| Surname | Henderson |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Caldwell Twp. |
| 1935 Residence (County) | Appanoose |
| Additional Details | |
| Occupation | New worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 86 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | New Worker |
| Township / Ward | Caldwell Twp |
| Est. Birth Year | ~1920 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Mable Henderson | Daughter | — | 10 | ~1930 |
| Ernest Henderson | Head | — | 48 | ~1892 |
| Ernest Henderson | Son | — | 5 | ~1935 |
| Clarence Henderson | Son | — | 24 | ~1916 |
| Lewis Henderson | Son | — | 18 | ~1922 |
| Robert Henderson | Son | — | 20 | ~1920 |
| Matilda Henderson | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Appanoose, Iowa
Son, age
Appanoose, Iowa · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Appanoose, Iowa
Son, age 11
Appanoose, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Appanoose-County, Iowa
Son, age 20
Appanoose-County, Iowa · implied b. ~1920 — 7 household members
| Surname | Henderson |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Caldwell Twp. |
| 1935 Residence (County) | Appanoose |
| Occupation | New worker |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 86 |
| Highest Grade | No 5 |
| 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 Robert Henderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Henderson (~0.92 confidence) and father Evert Henderson (~0.92 confidence) and mother Natelia Henderson (~0.92 confidence) and mother Matilda Henderson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Henderson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Evert Henderson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Natelia Henderson
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Matilda Henderson
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Henderson
Son · 1940 · age 20 · b. ~1920 · Iowa
★ You are viewing this record
Sibling
Clarence Henderson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Henderson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Henderson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mable Henderson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Appanoose-County, Iowa
Open full size
1940 US Federal Census — Appanoose-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01137-00127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lavella Seals | 44 | wife | — | Iowa |
| 42 | Ernest Seals | 21 | son | Trucker | Iowa |
| 43 | La Vaughn Seals | 16 | daughter | — | Iowa |
| 44 | Tommy Seals | 15 | son | — | Iowa |
| 45 | G. C. Sundeen | 52 | Head | New Worker | Iowa |
| 46 | Stella Sundeen | 45 | wife | — | Iowa |
| 47 | Ruby Sundeen | 21 | daughter | Dry Goods Clerk | Iowa |
| 48 | Norman Sundeen | 16 | son | — | Iowa |
| 49 | Robert Sundeen | 12 | son | — | Iowa |
| 50 | Orris Miller | 46 | Head | Miner | Missouri |
| 51 | Lesta Miller | 42 | wife | — | Missouri |
| 52 | Christopher Robbins | 77 | Father-in-law | — | Missouri |
| 53 | William Threlkeld | 61 | Head | Farm | Iowa |
| 54 | Grace Threlkeld | 48 | wife | — | Missouri |
| 55 | Woodrow Threlkeld | 18 | son | — | Iowa |
| 56 | Ruth Threlkeld | 11 | daughter | — | Iowa |
| 57 | Gary Threlkeld | 9 | son | — | Iowa |
| 58 | Bobbie Threlkeld | 7 | son | — | Missouri |
| 59 | Everett Threlkeld | 5 | son | — | Missouri |
| 60 | Arinda Henderson | 70 | Head | — | Iowa |
| 61 | Jessie Henderson | 48 | daughter | — | Iowa |
| 62 | Clovis Henderson | 40 | son | Miner | Iowa |
| 63 | Charles Ball | 24 | Grandson | — | Iowa |
| 64 | Milton R. Mcgoldrick | 44 | Head | Farm | Iowa |
| 65 | Addie Mcgoldrick | 47 | wife | — | Iowa |
| 66 | Jean Mcgoldrick | 18 | daughter | — | Iowa |
| 67 | Eleanor Mcgoldrick | 14 | daughter | — | Iowa |
| 68 | Ernest Henderson | 48 | Head | New Worker | Iowa |
| 69 | Matilda Henderson | 42 | wife | — | Iowa |
| 70 | Clarence Henderson | 24 | son | New Worker | Iowa |
| 71 | Robert Henderson THIS PERSON | 20 | son | New Worker | Iowa |
| 72 | Lewis Henderson | 18 | son | — | Iowa |
| 73 | Mable Henderson | 10 | daughter | — | Iowa |
| 74 | Ernest Henderson | 5 | son | — | Iowa |
| 75 | Vance Pugh | 64 | Head | Farm | Iowa |
| 76 | Mary V. Pugh | 60 | wife | — | Iowa |
| 77 | Clinton C. Sherby | 39 | Head | New Worker | Iowa |
| 78 | Mable Sherby | 36 | wife | — | Iowa |
| 79 | Marjorie Sherby | 16 | daughter | — | Iowa |
| 80 | Mary Joy Sherby | 12 | daughter | — | Iowa |
Pedigree Summary
Robert + 4 siblings
Gen 1 · 4 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)