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Charles Armstrong — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Charles Armstrong across the 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 4-person household.
Age 54
b. ~1886
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Armstrong |
| Given Name | Charles A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Lakeport |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Farmer |
| Township / Ward | Lakeport |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Idella Armstrong | Spouse | — | 49 | ~1891 |
| Charles Armstrong | Head | — | 54 | ~1886 |
| Oscar Armstrong | Son | — | 21 | ~1919 |
| Mitchell Armstrong | Son | — | 24 | ~1916 |
Census Appearances
1920
Woodbury, Iowa
Head, age 34
Woodbury, Iowa · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Charles W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Woodbury, Iowa
Head, age 44
Woodbury, Iowa · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Charles W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 21 |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Woodbury-County, Iowa
Head, age 54
Woodbury-County, Iowa · implied b. ~1886 — 4 household members
| Surname | Armstrong |
| Given Name | Charles A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Lakeport |
| 1935 Residence (County) | Woodbury |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Charles Armstrong across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Charles Armstrong
Head · 1940 · age 54 · b. ~1886 · 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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01214-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mack H. Kinney | 61 | Head | Farmer | Tennessee |
| 42 | Flora May Kinney | 52 | Wife | — | Tennessee |
| 43 | Mack H. Jr. Kinney | 18 | Son | — | Tennessee |
| 44 | Willard Kinney | 23 | Son | Laborer | Tennessee |
| 45 | Myra Lee Kinney | 17 | Daughter | — | Iowa |
| 46 | Julius A. Peterson | 49 | Head | Farmer | Iowa |
| 47 | Pearl Peterson | 21 | Wife | — | Nebraska |
| 48 | Julia Ann Peterson | 0 | Daughter | — | Iowa |
| 49 | Clarence Peterson | 27 | Brother | Laborer | Iowa |
| 50 | Clyde D. Kirks | 32 | Head | Farmer | Iowa |
| 51 | Maxine Kirks | 24 | Wife | — | Iowa |
| 52 | Joyce Kirks | 8 | Daughter | — | Iowa |
| 53 | William Kirks | 6 | Son | — | Iowa |
| 54 | Floyd A. Henkhausen | 25 | Head | Farmer | Iowa |
| 55 | Janet Henkhausen | 23 | Wife | — | Iowa |
| 56 | Donald Henkhausen | 11 | Son | — | Iowa |
| 57 | Norman Henkhausen | 5 | Daughter | — | Iowa |
| 58 | Roger Ray Henkhausen | 1 | Son | — | Iowa |
| 59 | Austin D. Flecky | 57 | Head | Farmer | Iowa |
| 60 | Belva Flecky | 46 | Wife | — | Oklahoma |
| 61 | John Flecky | 27 | Son | Laborer | Iowa |
| 62 | Leonard H. Swanson | 32 | Head | Farmer | Iowa |
| 63 | Lois Swanson | 27 | Wife | — | Missouri |
| 64 | Leah Gayle Swanson | 0 | Daughter | — | Iowa |
| 65 | Robert Smith | 12 | Brother in law | — | Iowa |
| 66 | Charles A. Armstrong THIS PERSON | 54 | Head | Farmer | Nebraska |
| 67 | Idella Armstrong | 49 | Wife | — | Iowa |
| 68 | Mitchell Armstrong | 24 | Son | Laborer | Iowa |
| 69 | Oscar Armstrong | 21 | Son | Laborer | Iowa |
| 70 | Harvey D. Rush | 34 | Head | Farmer | Iowa |
| 71 | Elma Rush | 25 | Wife | — | Iowa |
| 72 | Clarence Rush | 7 | Son | — | Iowa |
| 73 | Adam D. Goche | 47 | Head | Farmer | Iowa |
| 74 | Luella Goche | 48 | Wife | — | Iowa |
| 75 | Walter W. Glover | 59 | Head | Farmer | Iowa |
| 76 | Rosa May Glover | 50 | Wife | — | Iowa |
| 77 | Donald L. P. Glover | 24 | Head | Laborer | Iowa |
| 78 | Helen Yvonne Glover | 22 | Wife | — | Iowa |
| 79 | Elmer E. Crownover | 67 | Head | Farmer | Indiana |
| 80 | George H. Baker | 61 | Hired Hand | Laborer | Nebraska |
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)