WA
William Arnold — 1940 US Census Record
Model Tree available1940 United States Federal Census · Trumbull-County, Ohio
Our Model Tree links this William Arnold across the 1920, 1930 and 1940 US Censuses in Trumbull-County, Ohio (XGBoost, ~Confirmed), with identified parents Michael & Mary — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Trumbull-County, Ohio |
| Surname | Arnold |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Warren |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Attendant |
| Township / Ward | Howland |
| Est. Birth Year | ~1908 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Billy Arnold | Daughter | — | 10 | ~1930 |
| William Arnold | Head | — | 32 | ~1908 |
| Johnnie Arnold | Son | — | 5 | ~1935 |
| Alma Arnold | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Trumbull, Ohio
Son, age 11
Trumbull, Ohio · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Trumbull, Ohio
Son, age 22
Trumbull, Ohio · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Arnold |
| Given Name | William W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Draftsman |
| Industry | Furniture Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Trumbull-County, Ohio
Head, age 32
Trumbull-County, Ohio · implied b. ~1908 — 4 household members
| Surname | Arnold |
| Given Name | William |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Warren |
| 1935 Residence (County) | Warren |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | H 4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Michael Arnold (~0.92 confidence) and mother Mary Arnold (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Arnold
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Arnold
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Arnold
Head · 1940 · age 32 · b. ~1908 · Ohio
★ 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 — Trumbull-County, Ohio
Open full size
1940 US Federal Census — Trumbull-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03157-00218)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Freer | 15 | daughter | — | Ohio |
| 42 | Clyde Freer | 17 | son | — | Ohio |
| 43 | Marian Freer | 16 | daughter | — | Ohio |
| 44 | Ruth Freer | 15 | daughter | — | Ohio |
| 45 | Lloyd Freer | 11 | son | — | Ohio |
| 46 | Raymond Freer | 8 | son | — | Ohio |
| 47 | Harold Freer | 4 | son | — | Ohio |
| 48 | William Arnold THIS PERSON | 32 | head | Attendant | Ohio |
| 49 | Alma Arnold | 25 | wife | Braider | W. Va. |
| 50 | Billy Jean Arnold | 10 | daughter | — | Ohio |
| 51 | Johnnie Arnold | 5 | son | — | Ohio |
| 52 | Norman Barber | 23 | head | Mechanist | Indiana |
| 53 | Gwendolyn Barber | 22 | wife | — | Wisconsin |
| 54 | Thomas Barber | 1 | son | — | Michigan |
| 55 | Raymond Smith | 25 | head | Furniture Store Owner | Ohio |
| 56 | Marie Smith | 24 | wife | — | Ohio |
| 57 | Wanda Smith | 3 | daughter | — | Ohio |
| 58 | Verta Baker | 16 | head | — | Ohio |
| 59 | Harlan Baker | 16 | son | — | Ohio |
| 60 | Irving Baker | 8 | son | — | Ohio |
| 61 | Amos Jones | 53 | head | — | Georgia |
| 62 | Penny Jones | 48 | wife | Servant | Georgia |
| 63 | Merle Gilbert | 36 | head | Salesman | Ohio |
| 64 | Lenora Gilbert | 22 | wife | — | W. Va. |
| 65 | Edna Gilbert | 3 | daughter | — | Ohio |
| 66 | Dwight Calahan | 40 | head | Machinist | Ohio |
| 67 | Gertrude Calahan | 42 | wife | — | Ohio |
| 68 | Eileen Calahan | 16 | daughter | — | Ohio |
| 69 | Carol Calahan | 9 | daughter | — | Ohio |
| 70 | Ward Housel | 28 | head | Machinist | Ohio |
| 71 | Nellie Housel | 27 | wife | — | Ohio |
| 72 | Donald Housel | 2 | son | — | Ohio |
| 73 | Carol Housel | 0 | daughter | — | Ohio |
| 74 | John Green | 51 | head | Shearer | Ohio |
| 75 | Alice Green | 41 | wife | — | Penna |
| 76 | John Green | 15 | son | Laborer | Ohio |
| 77 | Russel Green | 17 | son | — | Ohio |
| 78 | Mildred Green | 20 | daughter | — | Ohio |
| 79 | William Green | 14 | son | — | Ohio |
| 80 | James Green | 9 | son | — | Ohio |
Pedigree Summary
William
Gen 1 · 2 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)