WS
William Sweeney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Taylor-County, Iowa
Our Model Tree links this William Sweeney across the 1930 and 1940 US Censuses in Taylor-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Taylor-County, Iowa |
| Surname | Sweeney |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshall Twp |
| 1935 Residence (County) | Taylor |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Marshall Twp |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Sweeney | Daughter | — | 10 | ~1930 |
| Maureen Sweeney | Daughter | — | 15 | ~1925 |
| Florence Sweeney | Daughter | — | 17 | ~1923 |
| Francis Sweeney | Daughter | — | 3 | ~1937 |
| Catherine Sweeney | Daughter | — | 7 | ~1933 |
| Frank Sweeney | Head | — | 40 | ~1900 |
| George Sweeney | Son | — | 12 | ~1928 |
| Hubert Sweeney | Son | — | 1 | ~1939 |
| William Sweeney | Son | — | 13 | ~1927 |
| Ellen Sweeney | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Ringgold, Iowa
Son, age 3
Ringgold, Iowa · implied b. ~1927 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Taylor-County, Iowa
Son, age 13
Taylor-County, Iowa · implied b. ~1927 — 10 household members
| Surname | Sweeney |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshall Twp |
| 1935 Residence (County) | Taylor |
| Highest Grade | 8 |
| 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 William Sweeney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Sweeney
Son · 1940 · age 13 · b. ~1927 · Iowa
★ You are viewing this record
Sibling
George Sweeney
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maureen Sweeney
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sweeney
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sweeney
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hubert Sweeney
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Sweeney
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sweeney
Sibling · 1940 · age 10
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 — Taylor-County, Iowa
Open full size
1940 US Federal Census — Taylor-County, Iowa
Page Contents
26 people indexed on this census page (nara:1940:m-t0627-01207-00967)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank B. Sweeney | 40 | Head | Farmer | Iowa |
| 2 | Ellen M. Sweeney | 41 | Wife | — | Iowa |
| 3 | Florence G. Sweeney | 17 | Daughter | — | Iowa |
| 4 | Maureen E. Sweeney | 15 | Daughter | — | Iowa |
| 5 | William Sweeney THIS PERSON | 13 | Son | — | Iowa |
| 6 | George J. Sweeney | 12 | Son | — | Iowa |
| 7 | Mary J. Sweeney | 10 | Daughter | — | Iowa |
| 8 | Catherine G. Sweeney | 7 | Daughter | — | Iowa |
| 9 | Francis L. Sweeney | 3 | Daughter | — | Iowa |
| 10 | Hubert L. Sweeney | 1 | Son | — | Iowa |
| 11 | Lee A. Long | 52 | Head | Farmer | Illinois |
| 12 | Mabel A. Long | 48 | Wife | — | Missouri |
| 13 | Jacquelyne Taylor | 4 | Granddaughter | — | Iowa |
| 14 | John W. Burch | 67 | Head | Farmer | Indiana |
| 15 | Anna Burch | 58 | Wife | — | Illinois |
| 16 | Paul A. Mckay | 26 | Head | Farmer | Iowa |
| 17 | Margaret H. Mckay | 27 | Wife | — | Iowa |
| 18 | Darlene Mckay | 2 | Daughter | — | Iowa |
| 19 | Helen Dowell | 19 | Lodger | Teacher | Minnesota |
| 20 | George S. Gordie | 34 | Head | Farmer | Iowa |
| 21 | Vesta L. Gordie | 30 | Wife | — | Iowa |
| 22 | Beverly A. Gordie | 7 | Daughter | — | Iowa |
| 23 | Dean F. Gordie | 4 | Son | — | Iowa |
| 24 | Shirley G. Gordie | 2 | Daughter | — | Iowa |
| 25 | Imogene E. Gordie | 1 | Daughter | — | Iowa |
| 26 | Larry H. Gordie | None | Son | — | 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)