AG
Arthur Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Calhoun-County, Iowa
Our Model Tree links this Arthur Gray across the 1920, 1930 and 1940 US Censuses in Calhoun-County, Iowa (XGBoost, ~Confirmed), with identified parents Irvin & Isaac — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Iowa |
| Surname | Gray |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Calhoun Township |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Calhoun Township |
| Est. Birth Year | ~1901 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Bessie Gray | Spouse | — | 40 | ~1900 |
| Ruth Gray | Daughter | — | 10 | ~1930 |
| Arthur Gray | Head | — | 39 | ~1901 |
| Joyce Gray | Daughter | — | 6 | ~1934 |
Census Appearances
1920
Calhoun, Iowa
Son, age 17
Calhoun, Iowa · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Arthur |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Calhoun, Iowa
Son, age 29
Calhoun, Iowa · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Calhoun-County, Iowa
Head, age 39
Calhoun-County, Iowa · implied b. ~1901 — 4 household members
| Surname | Gray |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Calhoun Township |
| 1935 Residence (County) | Calhoun |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Arthur Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Irvin Gray (~0.92 confidence) and father Isaac Gray (~0.92 confidence) and mother Nellie Gray (~0.92 confidence) and mother Vesta Gray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Irvin Gray
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Isaac Gray
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Nellie Gray
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Vesta Gray
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Gray
Head · 1940 · age 39 · b. ~1901 · 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 — Calhoun-County, Iowa
Open full size
1940 US Federal Census — Calhoun-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01144-00061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eddie Fink | 30 | Hired hand | Farm Hand | South Dakota |
| 2 | Ralph L. Mahon | 35 | Head | Farmer | Iowa |
| 3 | Bessie M. Mahon | 30 | Wife | — | Iowa |
| 4 | Dave Sharkey | 52 | Hired hand | Farm Hand | Iowa |
| 5 | Frank Ruesch | 57 | Head | Farmer | Iowa |
| 6 | Mystice Ruesch | 54 | Wife | — | Iowa |
| 7 | Alton H. Ruesch | 20 | Son | Farm Hand | Iowa |
| 8 | Don R. Ruesch | 17 | Son | Farm Hand | Iowa |
| 9 | Hans R. Ruesch | 53 | Head | Farmer | Iowa |
| 10 | Doris F. Ruesch | 48 | Wife | — | Iowa |
| 11 | Kenneth Ruesch | 19 | Son | Farm Hand | Iowa |
| 12 | Evelyn L. Ruesch | 16 | Daughter | — | Iowa |
| 13 | Marion E. Day | 64 | Head | Farmer | Iowa |
| 14 | E. Belle Day | 54 | Wife | — | Iowa |
| 15 | Glen W. Day | 25 | Son | Farm Hand | Iowa |
| 16 | Jean M. Day | 22 | Daughter | — | Iowa |
| 17 | Wm. F. Barkmeier | 35 | Head | Farmer | Iowa |
| 18 | Dorothy Barkmeier | 34 | Wife | — | Illinois |
| 19 | Ardis H. Barkmeier | 13 | Son | — | Iowa |
| 20 | Keith Roder Barkmeier | 12 | Son | — | Iowa |
| 21 | Patricia Ann Barkmeier | 8 | Daughter | — | Iowa |
| 22 | Marion C. Decker | 40 | Head | Farmer | Illinois |
| 23 | Lillian L. Decker | 35 | Wife | — | Illinois |
| 24 | Mary Ellen Decker | 10 | Daughter | — | Iowa |
| 25 | D. Duane Decker | 7 | Son | — | Iowa |
| 26 | Jerome True | 25 | Hired hand | Farm Hand | Iowa |
| 27 | Richard E. Friedel | 26 | Head | Farmer | Minnesota |
| 28 | Pauline F. Friedel | 25 | Wife | — | Iowa |
| 29 | Arthur Gray THIS PERSON | 39 | Head | Farmer | Illinois |
| 30 | Bessie O. Gray | 40 | Wife | — | Iowa |
| 31 | Ruth C. Gray | 10 | Daughter | — | Iowa |
| 32 | Joyce Betty Gray | 6 | Daughter | — | Iowa |
| 33 | William P. Sexton | 42 | Head | Farmer | Illinois |
| 34 | Rosa Sexton | 43 | Wife | — | Illinois |
| 35 | Everett R. Sexton | 20 | Son | — | Iowa |
| 36 | Josephine P. Mccaulley | 39 | Head | Farmer | Iowa |
| 37 | Dorothy Mccaulley | 40 | Wife | — | Iowa |
| 38 | Gerald D. Mccaulley | 17 | Son | Farm Hand | Iowa |
| 39 | Marilyn Jane Mccaulley | 14 | Daughter | — | Iowa |
| 40 | Albert B. Mccaulley | 32 | Head | Farmer | Iowa |
Pedigree Summary
Arthur
Gen 1 · 4 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)