WB
William Beck — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harrison-County, Iowa
Our Model Tree links this William Beck across the 1920, 1930 and 1940 US Censuses in Harrison-County, Iowa (XGBoost, ~Confirmed), with identified parents Hans & Dorothy — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Iowa |
| Surname | Beck |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Morgan Township |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Morgan Township |
| Est. Birth Year | ~1915 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Beck | Daughter | — | 15 | ~1925 |
| Hans Beck | Head | — | 48 | ~1892 |
| William Beck | Son | — | 25 | ~1915 |
| Dorothy Beck | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Harrison, Iowa
Son, age 5
Harrison, Iowa · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Beck |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Harrison, Iowa
Son, age 15
Harrison, Iowa · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Beck |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Harrison-County, Iowa
Son, age 25
Harrison-County, Iowa · implied b. ~1915 — 4 household members
| Surname | Beck |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Morgan Township |
| 1935 Residence (County) | Harrison |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 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 Beck across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hans Beck (~0.92 confidence) and mother Dorothy Beck (~0.92 confidence) and mother Rosa Beck (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hans Beck
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Dorothy Beck
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Rosa Beck
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Beck
Son · 1940 · age 25 · b. ~1915 · Iowa
★ You are viewing this record
Sibling
Margaret Beck
Sibling · 1940 · age 15
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 — Harrison-County, Iowa
Open full size
1940 US Federal Census — Harrison-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01166-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josephine Stolz | 11 | Daughter | — | Iowa |
| 2 | Robert Lee Stolz | 8 | Son | — | Iowa |
| 3 | Jackie Jr. Stolz | 4 | Son | — | Iowa |
| 4 | William C. Harrison | 65 | Head | Farmer | Iowa |
| 5 | Ethel Harrison | 58 | Wife | — | Iowa |
| 6 | Theodore Schmidt | 57 | Head | Farmer | Germany |
| 7 | James Ford | 22 | Head | Farm Laborer | Iowa |
| 8 | Evelyn Ford | 16 | Wife | — | Iowa |
| 9 | Betty Ford | 0 | Daughter | — | Iowa |
| 10 | Floyd Birdsall | 38 | Head | Farmer | Iowa |
| 11 | Valla Birdsall | 38 | Wife | — | Iowa |
| 12 | Ronald Birdsall | 14 | Son | Farm Laborer | Iowa |
| 13 | Yvonne Birdsall | 12 | Daughter | — | Iowa |
| 14 | Verna Birdsall | 8 | Daughter | — | Iowa |
| 15 | Donna Roy Birdsall | 7 | Daughter | — | Iowa |
| 16 | Jerry Birdsall | 3 | Son | — | Iowa |
| 17 | David Zortman | 26 | Head | Farmer | Iowa |
| 18 | Esther Zortman | 18 | Wife | — | Iowa |
| 19 | Joan Zortman | 2 | Daughter | — | Iowa |
| 20 | Maurice Zortman | 0 | Daughter | — | Iowa |
| 21 | William Mull | 58 | Head | Farmer | Iowa |
| 22 | Ada May Mull | 50 | Wife | — | Iowa |
| 23 | Hans Beck | 48 | Head | Farmer | Iowa |
| 24 | Dorothy Beck | 42 | Wife | — | Virginia |
| 25 | William Beck THIS PERSON | 25 | Son | Laborer | Iowa |
| 26 | Margaret Beck | 15 | Daughter | — | Iowa |
| 27 | Lee Weldon | 47 | Head | Farm Laborer | Iowa |
| 28 | Bernie Weldon | 48 | Wife | — | Iowa |
| 29 | William P. Thomas | 52 | Head | Farmer | Nebraska |
| 30 | Hattie Thomas | 49 | Wife | — | Nebraska |
| 31 | Elmer Thomas | 29 | Son | Farm Laborer | Nebraska |
| 32 | Kathleen Thomas | 21 | Daughter | Clerk | Nebraska |
| 33 | Dorothy Thomas | 11 | Daughter | — | Iowa |
| 34 | Charles Thomas | 7 | Daughter | — | Iowa |
| 35 | Joseph R. Davis | 24 | Head | Laborer | Missouri |
| 36 | Laura Davis | 22 | Wife | — | Mississippi |
| 37 | Harley Davis | 10 | Son | — | Missouri |
| 38 | Helen Marie Davis | 9 | Daughter | — | Missouri |
| 39 | Noah Cohee | 31 | Head | Hoist Engineer | Michigan |
| 40 | Helen Cohee | 24 | Wife | — | Missouri |
Pedigree Summary
William + 1 sibling
Gen 1 · 3 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)