JH
James Hays — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cass-County, Iowa
Our Model Tree links this James Hays across the 1930 and 1940 US Censuses in Cass-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, Iowa |
| Surname | Hays |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Atlantic city |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Atlantic City |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Michael Hays | Son | — | 3 | ~1937 |
| Brenda Hays | Daughter | — | 1 | ~1939 |
| Eugene Hays | Son | — | 18 | ~1922 |
| Una Hays | Spouse | — | 35 | ~1905 |
| Beatrice Hays | Daughter | — | 9 | ~1931 |
| Frances Hays | Daughter | — | 17 | ~1923 |
| Joel Hays | Son | — | 5 | ~1935 |
| Ina Hays | Daughter | — | 7 | ~1933 |
| Kenneth Hays | Head | — | 38 | ~1902 |
| James Hays | Son | — | 13 | ~1927 |
| Nancy Hays | Daughter | — | 2 | ~1938 |
| Wayne Hays | Son | — | 14 | ~1926 |
Census Appearances
1930
Cass, Iowa
Son, age 2
Cass, Iowa · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hays |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cass-County, Iowa
Son, age 13
Cass-County, Iowa · implied b. ~1927 — 12 household members
| Surname | Hays |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Atlantic city |
| 1935 Residence (County) | Cass |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| 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 James Hays across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hays
Son · 1940 · age 13 · b. ~1927 · Iowa
★ You are viewing this record
Sibling
Joel Hays
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Brenda Hays
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Hays
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Hays
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Hays
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ina Hays
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Hays
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Hays
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Hays
Sibling · 1940 · age 18
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 — Cass-County, Iowa
Open full size
1940 US Federal Census — Cass-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01145-00061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry Rattenborg | 36 | Head | Engineer | Iowa |
| 42 | Bertha Rattenborg | 36 | Wife | — | Iowa |
| 43 | Joan Rattenborg | 9 | Daughter | — | Iowa |
| 44 | Billie Rattenborg | 7 | Son | — | Iowa |
| 45 | Kenneth Hays | 38 | Head | Mechanic | Iowa |
| 46 | Una Hays | 35 | Wife | — | Iowa |
| 47 | Eugene Hays | 18 | Son | Unskilled Labor | Iowa |
| 48 | Frances Hays | 17 | Daughter | — | Iowa |
| 49 | Wayne Hays | 14 | Son | — | Iowa |
| 50 | James Hays THIS PERSON | 13 | Son | — | Iowa |
| 51 | Beatrice Hays | 9 | Daughter | — | Iowa |
| 52 | Ina Hays | 7 | Daughter | — | Iowa |
| 53 | Joel Hays | 5 | Son | — | Iowa |
| 54 | Michael Hays | 3 | Son | — | Iowa |
| 55 | Nancy Hays | 2 | Daughter | — | Iowa |
| 56 | Brenda Hays | 1 | Daughter | — | Iowa |
| 57 | Clyde Gaines | 55 | Head | Unskilled Laborer | Iowa |
| 58 | Stella Gaines | 48 | Wife | — | Iowa |
| 59 | Clyde Jr. Gaines | 18 | Son | — | Iowa |
| 60 | Mary J. Dustin | 20 | Daughter | Butter Wrapper | Iowa |
| 61 | Harley Dustin | 0 | Grandson | — | Iowa |
| 62 | Louis Scherrenberg | 78 | Head | — | Germany |
| 63 | Freda Coulson | 42 | Daughter | Seamstress | Iowa |
| 64 | Unelle Coulson | 17 | Granddaughter | Housework | Iowa |
| 65 | Andrew Boldt | 49 | Head | Laborer | Iowa |
| 66 | Hulda Boldt | 38 | Wife | — | Iowa |
| 67 | Doris Boldt | 20 | Daughter | — | Iowa |
| 68 | Kenneth Boldt | 17 | Son | — | Iowa |
| 69 | Ralph Moses | 34 | Head | Laborer | Mississippi |
| 70 | Nellie Moses | 29 | Wife | Egg Handler | Illinois |
| 71 | Chas. Moses | 11 | Son | — | Illinois |
| 72 | Lester Moses | 9 | Son | — | Illinois |
| 73 | Howard H. Thomas | 24 | Head | Minister | Montana |
| 74 | Dorothy Thomas | 19 | Wife | — | Iowa |
| 75 | Ben Flathers | 67 | Head | Common Laborer | Iowa |
| 76 | May Flathers | 67 | Wife | — | Iowa |
| 77 | Gilbert Flathers | 26 | Son | Common Laborer | Iowa |
| 78 | Harley Flathers | 16 | Son | New Worker | Iowa |
| 79 | Geo. Cavanaugh | 36 | Lodger | — | Iowa |
| 80 | Maybelle Cavanaugh | 23 | Lodger | — | 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)