WA
William Arnold — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crawford-County, Illinois
Our Model Tree links this William Arnold across the 1920, 1930 and 1940 US Censuses in Crawford-County, Illinois (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1912), then head of a 6-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Illinois |
| Surname | Arnold |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Robinson city |
| Additional Details | |
| Occupation | Lawyer |
| Industry | Professional |
| Class of Worker | OA |
| Hours Worked | 35 |
| Income (1939) | 126 |
| Highest Grade | C 5 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Lawyer |
| Township / Ward | Robinson City |
| Est. Birth Year | ~1912 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Mary Arnold | Daughter | — | 26 | ~1914 |
| William Arnold | Head | — | 62 | ~1878 |
| Rhoda Coleman | Other | — | 70 | ~1870 |
| Mary Arnold | Other | — | 90 | ~1850 |
| William Arnold | Son | — | 28 | ~1912 |
| Kate Arnold | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Crawford, Illinois
Son, age 8
Crawford, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | William Busey |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Crawford, Illinois
Son, age 18
Crawford, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Crawford-County, Illinois
Son, age 28
Crawford-County, Illinois · implied b. ~1912 — 6 household members
| Surname | Arnold |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Robinson city |
| Occupation | Lawyer |
| Industry | Professional |
| Class of Worker | OA |
| Hours Worked | 35 |
| Income (1939) | 126 |
| Highest Grade | C 5 |
| 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 William Arnold across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Arnold (~0.92 confidence) and father William Arnold (~0.92 confidence) and mother Kate Arnold (~0.92 confidence) and father William Arnold (~0.92 confidence) and mother Kate Arnold (~0.92 confidence) and mother Kate Arnold (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Arnold
b. ~1872
Source father
● Household
· direct · ~0.92
Father
William Arnold
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Kate Arnold
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
William Arnold
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Kate Arnold
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Kate Arnold
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Arnold
Son · 1940 · age 28 · b. ~1912 · Illinois
★ You are viewing this record
Sibling
Mary Arnold
Sibling · 1940 · age 26
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 — Crawford-County, Illinois
Open full size
1940 US Federal Census — Crawford-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00791-00490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilma Duncan | 29 | Head | Nurse Supervisor | Illinois |
| 2 | Gladys Watters | 42 | Head | Nurse | Illinois |
| 3 | Mary Montgomery | 22 | Head | Cook | Illinois |
| 4 | Irena Mckillip | 29 | Head | Nurse | Indiana |
| 7 | Mayme Quait | 45 | Head | Dressmaker | Illinois |
| 8 | Ralph Mckinney | 30 | Lodger | Laborer | Minnesota |
| 9 | Clyde Rosborough | 36 | Head | Public Welfare | Illinois |
| 10 | Florence Rosborough | 36 | Wife | Teacher | Illinois |
| 11 | Barbara Ann Rosborough | 7 | Daughter | — | Illinois |
| 12 | Albert Midgett | 67 | Head | Pharmacist | Illinois |
| 13 | Annie Midgett | 64 | Wife | — | Illinois |
| 14 | Hellen Grant | 35 | Lodger | Super. Speech | Illinois |
| 15 | William W. Arnold | 62 | Head | Lawyer | Illinois |
| 16 | Kate Arnold | 55 | Wife | — | Illinois |
| 17 | Mary C. Arnold | 90 | Mother | — | Illinois |
| 18 | William B. Arnold THIS PERSON | 28 | Son | Lawyer | Illinois |
| 19 | Mary Alice Arnold | 26 | Daughter | — | Illinois |
| 20 | Rhoda Coleman | 70 | Housekeeper | Housekeeper | Illinois |
| 21 | Harry Lewis | 56 | Head | Salesman | Illinois |
| 22 | Delpha Lewis | 55 | Wife | — | Kansas |
| 23 | Charles Lewis | 19 | Son | Bookkeeper | Illinois |
| 24 | Lyle Cunningham | 47 | Head | Dist. Credit Manager | Illinois |
| 25 | Cathryn Cunningham | 44 | Wife | — | Ohio |
| 26 | Alice Cunningham | 18 | Daughter | — | Illinois |
| 27 | Elizabeth Cunningham | 16 | Daughter | — | Illinois |
| 28 | Richard Cunningham | 11 | Son | — | Illinois |
| 29 | Harriet Price | 68 | Head | — | Illinois |
| 30 | Hellen Price | 41 | Daughter | Teacher | Illinois |
| 31 | Harold Higgins | 26 | Head | Pumper | Illinois |
| 32 | Maxine Higgins | 19 | Wife | Stenographer | Illinois |
| 33 | J. P. Jr. Whithingham | 25 | Head | Geologist | Kentucky |
| 34 | Marjorie Whithingham | 25 | Wife | — | Michigan |
| 35 | Harold Harvey | 29 | Head | Foreman | Ohio |
| 36 | Thelma Harvey | 27 | Wife | — | Indiana |
| 37 | C. P. Mrs. Luton | 66 | Head | — | Pennsylvania |
| 38 | Ray Luton | 42 | Son | Gen. Manager Of All Equipment | Oklahoma |
| 39 | Guy Hughes | 42 | Head | — | — |
| 40 | Frank Reak | 31 | Head | Salesman | Illinois |
Pedigree Summary
William + 1 sibling
Gen 1 · 6 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)