FA
Frank Arnold — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Frank Arnold across the 1910, 1920, 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 6-person household.
Age 54
b. ~1886
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | Arnold |
| Given Name | Frank D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Liberty Twp |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Paul Arnold | Son | — | 22 | ~1918 |
| Betty Arnold | Daughter | — | 16 | ~1924 |
| Flora Arnold | Spouse | — | 52 | ~1888 |
| Norman Arnold | Son | — | 20 | ~1920 |
| Frank Arnold | Head | — | 54 | ~1886 |
| Beverly Arnold | Daughter | — | 8 | ~1932 |
Census Appearances
1910
Woodbury, Iowa
Head, age 25
Woodbury, Iowa · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 2 |
| Father's Birthplace | Eng English |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Woodbury, Iowa
Head, age 35
Woodbury, Iowa · implied b. ~1885 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Renter |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Woodbury, Iowa
Other, age 45
Woodbury, Iowa · implied b. ~1885 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | Frank |
| Relationship to Head | O |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | England |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Head, age 54
Woodbury-County, Iowa · implied b. ~1886 — 6 household members
| Surname | Arnold |
| Given Name | Frank D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Woodbury |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Iowa |
| 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 Frank Arnold across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Arnold
Head · 1940 · age 54 · b. ~1886 · 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 — 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-t0627-01214-00287)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John D. Sanderson | 76 | Head | Laborer | Iowa |
| 2 | Arthur W. Keith | 40 | Head | Farmer | Iowa |
| 3 | Gertrude A. Keith | 43 | Wife | — | Iowa |
| 4 | J. Ralph Klingenmith | 68 | Head | Farmer | Pennsylvania |
| 5 | Carrie Klingenmith | 68 | Wife | — | Iowa |
| 6 | Ralph Crichton | 30 | Hired man | Laborer | Iowa |
| 7 | Frank D. Arnold THIS PERSON | 54 | Head | Farmer | Iowa |
| 8 | Flora V. Arnold | 52 | Wife | — | Ohio |
| 9 | Paul E. Arnold | 22 | Son | Laborer | South Dakota |
| 10 | Norman C. Arnold | 20 | Son | Laborer | Iowa |
| 11 | Betty J. Arnold | 16 | Daughter | — | Iowa |
| 12 | Beverly Ann Arnold | 8 | Daughter | — | Iowa |
| 13 | Ray B. Arnold | 28 | Head | Farmer | Iowa |
| 14 | Mildred H. Arnold | 26 | Wife | — | Iowa |
| 15 | Ray A. Arnold | 4 | Son | — | Iowa |
| 16 | Lane W. Clayton | 37 | Head | Farmer | Iowa |
| 17 | Minnie F. Clayton | 35 | Sister | — | Iowa |
| 18 | Anita J. Clayton | 64 | Mother | — | Ohio |
| 19 | Mary J. Reilly | 44 | Head | — | Illinois |
| 20 | Frank W. Reilly | 41 | Son | Farmer | Iowa |
| 21 | James D. Reilly | 35 | Son | Farmer | Iowa |
| 22 | David F. Copenhaver | 50 | Hired man | Laborer | Iowa |
| 23 | Frank Ryan | 69 | Hired man | Laborer | Louisiana |
| 24 | Glen H. Camerer | 29 | Head | Farmer | Iowa |
| 25 | Syd Camerer | 53 | Head | Farmer | Iowa |
| 26 | Laura C. Camerer | 53 | Wife | — | Iowa |
| 27 | Robert L. Camerer | 22 | Son | Laborer | Iowa |
| 28 | Harold E. Camerer | 20 | Son | Laborer | Iowa |
| 29 | Doris W. Camerer | 20 | Daughter | — | Iowa |
| 30 | Wm Davis | 27 | Head | Laborer | Kansas |
| 31 | Alice P. Davis | 23 | Wife | — | Iowa |
| 32 | Betty J. Davis | 4 | Daughter | — | Iowa |
| 33 | Verna F. Davis | 2 | Daughter | — | Iowa |
| 34 | Paul H. Menard | 46 | Head | Farmer | Illinois |
| 35 | Genevieve M. Menard | 44 | Wife | — | Illinois |
| 36 | Gloria G. Menard | 18 | Daughter | — | Iowa |
| 37 | Frances J. Menard | 15 | Daughter | — | Iowa |
| 38 | Paul F. Menard | 12 | Son | — | Iowa |
| 39 | Thomas J. Claus | 21 | Head | New Worker | Iowa |
| 40 | John H. Daniels | 39 | Head | 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)