WB
William Bass — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sac-County, Iowa
Our Model Tree links this William Bass across the 1930 and 1940 US Censuses in Sac-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 7-person household.
Age 35
b. ~1905
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sac-County, Iowa |
| Surname | Bass |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Carroll |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Viola Twp |
| Est. Birth Year | ~1905 |
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 |
|---|---|---|---|---|
| Myrna Bass | Daughter | — | 6 | ~1934 |
| Laura Bass | Spouse | — | 27 | ~1913 |
| Ardell Bass | Son | — | 2 | ~1938 |
| Dennis Bass | Son | — | 3 | ~1937 |
| Duane Bass | Son | — | 5 | ~1935 |
| William Bass | Head | — | 35 | ~1905 |
| Claire Bass | Son | — | 1 | ~1939 |
Census Appearances
1930
Sac, Iowa
Son, age 25
Sac, Iowa · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boss |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Sac-County, Iowa
Head, age 35
Sac-County, Iowa · implied b. ~1905 — 7 household members
| Surname | Bass |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Carroll |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Bass across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Bass
Head · 1940 · age 35 · b. ~1905 · 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 — Sac-County, Iowa
Open full size
1940 US Federal Census — Sac-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01201-00816)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Romaine Romaine | 21 | Head | Laborer | Iowa |
| 2 | Christine Dratting | 74 | Head | — | Germany |
| 3 | Frank B. Dratting | 45 | Son | Farmer | Iowa |
| 4 | Gerhard Dratting | 35 | Son | Farmer | Iowa |
| 5 | Marie Snyder | 22 | — | Housework | Iowa |
| 6 | Leo J. Schuetz | 55 | Head | Farmer | Iowa |
| 7 | Caroline Schuetz | 52 | Wife | — | Iowa |
| 8 | Urban J. Schuetz | 21 | Son | Laborer | Iowa |
| 9 | Vincent A. Schuetz | 14 | Son | Laborer | Iowa |
| 10 | Ronald J. Schuetz | 24 | Son | Farm Laborer | Iowa |
| 11 | Amelia B. Schuetz | 21 | Daughter | — | Iowa |
| 12 | William M. Bass THIS PERSON | 35 | Head | Farmer | Iowa |
| 13 | Laura B. Bass | 27 | Wife | — | Iowa |
| 14 | Myrna Mae Bass | 6 | Daughter | — | Iowa |
| 15 | Duane C. Bass | 5 | Son | — | Iowa |
| 16 | Dennis V. Bass | 3 | Son | — | Iowa |
| 17 | Ardell J. Bass | 2 | Son | — | Iowa |
| 18 | Claire J. Bass | 1 | Son | — | Iowa |
| 19 | Conrad Liefenchoeler | 43 | Head | Farmer | Iowa |
| 20 | Marie Liefenchoeler | 41 | Wife | — | Iowa |
| 21 | Ervil Liefenchoeler | 19 | Son | Laborer | Iowa |
| 22 | Evelyn Liefenchoeler | 18 | Daughter | Housework | Iowa |
| 23 | Ethel Liefenchoeler | 16 | Daughter | — | Iowa |
| 24 | Rose Marie Liefenchoeler | 14 | Daughter | — | Iowa |
| 25 | Paul Liefenchoeler | 12 | Son | — | Iowa |
| 26 | Ruth Liefenchoeler | 10 | Daughter | — | Iowa |
| 27 | Elvira Liefenchoeler | 2 | Daughter | — | Iowa |
| 28 | Walter E. Kaser | 24 | Head | Farmer | Iowa |
| 29 | Viola E. Kaser | 26 | Wife | — | Iowa |
| 30 | Louis Liefenchoeler | 42 | Head | Farmer | Iowa |
| 31 | Lavina Liefenchoeler | 42 | Wife | — | Iowa |
| 32 | Lorraine Liefenchoeler | 3 | Daughter | — | Iowa |
| 33 | Lewis T. Lassan | 46 | Head | Farmer | Minnesota |
| 34 | Dorothy Lassan | 37 | Wife | — | England |
| 35 | Harold F. Lassan | 18 | Son | — | North Dakota |
| 36 | Mavis D. Lassan | 17 | Daughter | — | North Dakota |
| 37 | Madeline J. Lassan | 16 | Daughter | — | North Dakota |
| 38 | Robert L. Lassan | 14 | Son | — | Minnesota |
| 39 | Horace Liefenchoeler | 32 | Head | Farmer | Iowa |
| 40 | Laverna Liefenchoeler | 28 | Wife | — | 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)