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William Wagner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Black-Hawk-County, Iowa
Our Model Tree links this William Wagner across the 1920, 1930 and 1940 US Censuses in Black-Hawk-County, Iowa (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a son (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Black-Hawk-County, Iowa |
| Surname | Wagner |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Fayette |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Agriculture |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm Laborer |
| Township / Ward | Cedar Falls City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Frank Wagner | Head | — | 76 | ~1864 |
| Carrie Wagner | Other | — | 66 | ~1874 |
| William Wagner | Son | — | 31 | ~1909 |
Census Appearances
1920
Black Hawk, …
Son, age 11
Black Hawk, Iowa · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Black Hawk, …
Son, age 21
Black Hawk, Iowa · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Age at First Marriage | W |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Date factory |
| Class of Worker | 7868 |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Black-Hawk-County, Iowa
Son, age 31
Black-Hawk-County, Iowa · implied b. ~1909 — 3 household members
| Surname | Wagner |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Fayette |
| 1935 Residence (County) | Fayette |
| Occupation | Farm Laborer |
| Industry | Agriculture |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Iowa |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Wagner across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Wagner (~0.92 confidence) and father Frank Wagner (~0.92 confidence) and mother Edith Wagner (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Wagner
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Frank Wagner
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Edith Wagner
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Wagner
Son · 1940 · age 31 · b. ~1909 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Black-Hawk-County, Iowa
Open full size
1940 US Federal Census — Black-Hawk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01139-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Ann Rourke | 7 | daughter | — | Iowa |
| 42 | Eugene Francis Rourke | 5 | son | — | Iowa |
| 43 | Lokes Joseph Rourke | 2 | son | — | Iowa |
| 44 | Alvin Peter Henning | 24 | son | — | Minnesota |
| 45 | Frank Wagner | 76 | Head | — | Iowa |
| 46 | Carrie Wagner | 66 | Sister | — | Iowa |
| 47 | William Wagner THIS PERSON | 31 | son | Farm Laborer | Minnesota |
| 48 | Carrie B. Vincent | 64 | Head | — | Iowa |
| 49 | Mayme Sloan | 64 | sister | — | Iowa |
| 51 | Byron W. Beal | 40 | Head | Claim Adjuster | Iowa |
| 52 | Marjorie Beal | 33 | wife | — | Michigan |
| 53 | Bruce Beal | 5 | son | — | Iowa |
| 54 | Joyce Beal | 3 | daughter | — | Iowa |
| 55 | Agatha Jennings | 67 | Mother in law | — | Iowa |
| 56 | Sara Ingleton | 74 | Head | — | Iowa |
| 57 | Roy Ingleton | 51 | son | — | Iowa |
| 58 | Nellie Ingleton | 46 | daughter | — | Iowa |
| 59 | James C. Romine | 55 | Head | Postal Clerk | Illinois |
| 60 | Annetta Romine | 36 | wife | — | Iowa |
| 61 | Sallie Mcbride | 10 | daughter | — | Iowa |
| 62 | James Kemper Mcbride | 9 | son | — | Iowa |
| 63 | Harry J. Bruhn | 39 | Head | Proprietor | Iowa |
| 64 | Frances Bruhn | 43 | wife | — | Iowa |
| 65 | Edward H. Markussen | 31 | Head | Postal Clerk | Iowa |
| 66 | Elsie Markussen | 28 | wife | — | Iowa |
| 67 | Charles H. Mether | 77 | Head | — | Iowa |
| 68 | Mary Mether | 70 | wife | — | Iowa |
| 69 | Elmer Mether | 52 | son | Broker | Iowa |
| 70 | Quenten Dilger | 20 | son | Draftsman | Iowa |
| 71 | Gwyneth Dilger | 17 | daughter | — | Iowa |
| 72 | George R. Donfvally | 56 | Head | Purchasing Agent | New York |
| 73 | Mabel Donfvally | 49 | wife | — | Iowa |
| 74 | Betty L. Donfvally | 21 | daughter | — | Iowa |
| 75 | Clarence Hansen | 37 | Head | City Carrier | Minnesota |
| 76 | Nettie Hansen | 36 | wife | — | Iowa |
| 77 | Thelma Jean Hansen | 14 | daughter | — | Iowa |
| 78 | Audrey Hansen | 12 | daughter | — | Iowa |
| 79 | Lorraine Hansen | 10 | daughter | — | Iowa |
| 80 | Julia Ann Hansen | 5 | daughter | — | Iowa |
Pedigree Summary
William
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)