JA
John Arnold — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Whiteside-County, Illinois
Our Model Tree links this John Arnold across the 1920, 1930 and 1940 US Censuses in Whiteside-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 5-person household.
Age 77
b. ~1863
Male
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Whiteside-County, Illinois |
| Surname | Arnold |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Jordan Tw. |
| 1935 Residence (County) | Whiteside |
| Additional Details | |
| Occupation | Retired Farmer |
| Class of Worker | O |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Retired Farmer |
| Township / Ward | Jordan Tw |
| Est. Birth Year | ~1863 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Minnie Detweiler | Daughter | — | 49 | ~1891 |
| Ruth Detweiler | Daughter | — | 16 | ~1924 |
| Linnie Detweiler | Daughter | — | 5 | ~1935 |
| John Arnold | Head | — | 77 | ~1863 |
| Roy Detweiler | Other | — | 43 | ~1897 |
Census Appearances
1920
Whiteside, Illinois
Head, age 58
Whiteside, Illinois · implied b. ~1862 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | E |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Whiteside, Illinois
Head, age 68
Whiteside, Illinois · implied b. ~1862 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Whiteside-County, Illinois
Head, age 77
Whiteside-County, Illinois · implied b. ~1863 — 5 household members
| Surname | Arnold |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Jordan Tw. |
| 1935 Residence (County) | Whiteside |
| Occupation | Retired Farmer |
| Class of Worker | O |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 John Arnold across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Arnold
Head · 1940 · age 77 · b. ~1863 · Illinois
★ 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 — Whiteside-County, Illinois
Open full size
1940 US Federal Census — Whiteside-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00905-00513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William M. Campe | 48 | Head | Farmer | Germany |
| 2 | Gertie Campe | 44 | Wife | — | Iowa |
| 3 | Lois Campe | 21 | Daughter | Secretary | Illinois |
| 4 | James W. Campe | 18 | Son | — | Illinois |
| 5 | Edith M. Wolber | 44 | Head | — | Illinois |
| 6 | Helen J. Wolber | 23 | Daughter | Stenographer | Illinois |
| 7 | Florence A. Wolber | 21 | Daughter | Stenographer | Illinois |
| 8 | Harold D. Wolber | 14 | Son | — | Illinois |
| 9 | Marvin B. Wolber | 12 | Son | — | Illinois |
| 10 | Ronald L. Wolber | 5 | Son | — | Illinois |
| 11 | John M. Arnold THIS PERSON | 77 | Head | Retired Farmer | Illinois |
| 12 | Minnie Detweiler | 49 | Daughter | — | Illinois |
| 13 | Roy Detweiler | 43 | Son-in-law | Farm Hand | Illinois |
| 14 | Ruth E. Detweiler | 16 | Daughter | — | Illinois |
| 15 | Linnie E. Detweiler | 5 | Daughter | — | Illinois |
| 16 | Clarence Kauffman | 62 | Head | — | Illinois |
| 17 | Edward Steinhagen | 58 | Head | Farmer | Illinois |
| 18 | Lizzie Steinhagen | 51 | Wife | — | Illinois |
| 19 | Herman Bellis | 49 | Head | Farmer | Germany |
| 20 | Bertha Bellis | 53 | Wife | — | Illinois |
| 21 | John H. Stone | 45 | Head | Farmer | Illinois |
| 22 | Elizabeth Stone | 37 | Wife | — | Illinois |
| 23 | Florence Stone | 15 | Daughter | — | Illinois |
| 24 | Shirley Stone | 9 | Daughter | — | Illinois |
| 25 | June Arlene Stone | 6 | Daughter | — | Illinois |
| 26 | Johnnie Dean Stone | 2 | Son | — | Illinois |
| 27 | Walter Mung | 43 | Head | Farmer | Illinois |
| 28 | Gladys Mung | 40 | Wife | — | Illinois |
| 29 | Gene Mung | 19 | Son | Farm Hand | Illinois |
| 30 | Eugene R. Glafka | 30 | Head | Farmer | Illinois |
| 31 | Mabel E. Glafka | 24 | Wife | — | Illinois |
| 32 | Edward Jr. Glafka | 2 | Son | — | Illinois |
| 33 | John H. Behrens | 60 | Head | Farm Hand | Illinois |
| 34 | Wilhelmina Behrens | 86 | Mother | — | Germany |
| 35 | William Hamann | 42 | Head | Farmer | Illinois |
| 36 | Anna C. Hamann | 40 | Wife | — | Illinois |
| 37 | Bernice Hamann | 15 | Daughter | — | Illinois |
| 38 | Harold H. During | 30 | Head | Farmer | Illinois |
| 39 | Leona Z. During | 30 | Wife | — | Illinois |
| 40 | Extra Lois During | 1 | Daughter | — | Illinois |
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)