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William Curran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clayton-County, Iowa
Our Model Tree links this William Curran across the 1930 and 1940 US Censuses in Clayton-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clayton-County, Iowa |
| Surname | Curran |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allamakee |
| Additional Details | |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 500 |
| Highest Grade | Hs 30 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Operator |
| Township / Ward | Volga Twp |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Curran | Daughter | — | 2 | ~1938 |
| William Curran | Head | — | 31 | ~1909 |
| Mary Curran | Daughter | — | 8 | ~1932 |
| James Curran | Son | — | 7 | ~1933 |
| Frances Curran | Spouse | — | 30 | ~1910 |
| Rosa Curran | Other | — | 74 | ~1866 |
| Joan Curran | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Clayton, Iowa
Other, age 21
Clayton, Iowa · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Corran |
| Given Name | William A |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Clayton-County, Iowa
Head, age 31
Clayton-County, Iowa · implied b. ~1909 — 7 household members
| Surname | Curran |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allamakee |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 500 |
| Highest Grade | Hs 30 |
| 1935 Residence | Iowa |
| 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 William Curran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Curran
Head · 1940 · age 31 · b. ~1909 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Clayton-County, Iowa
Open full size
1940 US Federal Census — Clayton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01149-00715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ann Costigan | 44 | Wife | — | Iowa |
| 42 | Myra Costigan | 14 | Daughter | — | Iowa |
| 43 | William Costigan | 76 | Father | — | Iowa |
| 44 | Rat Bush | 24 | Hired | Laborer | Iowa |
| 45 | Mary Jane Updegraff | 53 | Head | Rug Worker | Iowa |
| 46 | Leland Updegraff | 31 | Son | Operator | Iowa |
| 47 | Lee A. Gadden | 50 | Head | Operator | Iowa |
| 48 | William Curran THIS PERSON | 31 | Head | Operator | Iowa |
| 49 | Frances Curran | 30 | Wife | — | Iowa |
| 50 | Joan Curran | 7 | Daughter | — | Iowa |
| 51 | Mary Curran | 8 | Daughter | — | Iowa |
| 52 | James Curran | 7 | Son | — | Iowa |
| 53 | Kathleen Curran | 2 | Daughter | — | Iowa |
| 54 | Rosa Curran | 74 | Mother | — | Iowa |
| 55 | John Schrumpfer | 48 | Head | — | Iowa |
| 56 | Nell Schrumpfer | 49 | Wife | — | Iowa |
| 57 | Gladys Schrumpfer | 20 | Daughter | Teacher | Iowa |
| 58 | Mildred Schrumpfer | 22 | Daughter | Housework | Iowa |
| 59 | Richard Schrumpfer | 15 | Son | — | Iowa |
| 60 | Henry Brans | 77 | Head | Operator | Iowa |
| 61 | Elizabeth Brans | 50 | Daughter | — | Iowa |
| 62 | George Brans | 52 | Son | — | Iowa |
| 63 | Julius Brans | 23 | Son | Laborer | Iowa |
| 64 | Anna Maris | 55 | Head | — | Iowa |
| 65 | Viola Maris | 36 | Daughter | — | Iowa |
| 66 | Florence Maris | 30 | Daughter | — | Iowa |
| 67 | Verna Maris | 26 | Daughter | Housework | Iowa |
| 68 | Grace Maris | 25 | Daughter | — | Iowa |
| 69 | George Maris | 23 | Son | Operator | Iowa |
| 70 | Arthur Maris | 21 | Son | Operator | Iowa |
| 71 | Anna Mae Maris | 16 | Daughter | — | Iowa |
| 72 | Alvin Maris | 12 | Son | — | Iowa |
| 73 | John Lattayer | 43 | Head | Laborer | Iowa |
| 74 | Laura Lattayer | 33 | Wife | — | Iowa |
| 75 | Harold Carl Lattayer | 12 | Son | — | Iowa |
| 76 | Alice Lattayer | 10 | Daughter | — | Iowa |
| 77 | Anita Lattayer | 7 | Daughter | — | Iowa |
| 78 | Doris Lattayer | 5 | Daughter | — | Iowa |
| 79 | Marlene Lattayer | 1 | Daughter | — | Iowa |
| 80 | William Steen | 52 | Head | Operator | 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)