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Fred Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scott-County, Iowa
Our Model Tree links this Fred Davis across the 1920, 1930 and 1940 US Censuses in Scott-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Scott-County, Iowa |
| Surname | Davis |
| Given Name | Fred M. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Davenport |
| 1935 Residence (County) | Scott |
| Additional Details | |
| Occupation | Barber |
| Industry | Barber Shop |
| Class of Worker | OA |
| Hours Worked | 64 |
| Income (1939) | 700 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Barber |
| Township / Ward | Davenport |
| Est. Birth Year | ~1890 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Erma Bach | Daughter | — | 18 | ~1922 |
| Fred Davis | Head | — | 50 | ~1890 |
| Ovid Bach | Other | — | 23 | ~1917 |
| Norman Davis | Son | — | 15 | ~1925 |
| Martha Davis | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Scott, Iowa
Head, age 30
Scott, Iowa · implied b. ~1890 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Fred M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | U. S. |
| Occupation | Machinist |
| Industry | R. I. Arsenal |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Scott, Iowa
Head, age 40
Scott, Iowa · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Fred M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Barber |
| Industry | Barber Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Scott-County, Iowa
Head, age 50
Scott-County, Iowa · implied b. ~1890 — 5 household members
| Surname | Davis |
| Given Name | Fred M. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Davenport |
| 1935 Residence (County) | Scott |
| Occupation | Barber |
| Industry | Barber Shop |
| Class of Worker | OA |
| Hours Worked | 64 |
| Income (1939) | 700 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Fred Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Fred Davis
Head · 1940 · age 50 · b. ~1890 · 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 — Scott-County, Iowa
Open full size
1940 US Federal Census — Scott-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01202-00823)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Rodriguez | 10 | daughter | — | Iowa |
| 42 | Frank Keller | 31 | head | Truck Driver | Illinois |
| 43 | Mary F. Keller | 30 | wife | — | Iowa |
| 44 | Kenneth Keller | 11 | son | — | Iowa |
| 45 | Virgil Keller | 10 | son | — | Iowa |
| 46 | Shirley Keller | 6 | daughter | — | Iowa |
| 47 | Robert Keller | 4 | son | — | Iowa |
| 48 | Fred M. Davis THIS PERSON | 50 | head | Barber | Illinois |
| 49 | Martha Davis | 52 | wife | — | Iowa |
| 50 | Norman Davis | 15 | son | — | Iowa |
| 51 | Ovid Bach | 23 | son in law | Barber | Indiana |
| 52 | Erma Bach | 18 | daughter | — | Iowa |
| 53 | Augusta Wirth | 77 | head | — | Iowa |
| 54 | John Posth | 48 | head | Cook | Iowa |
| 55 | Helen Posth | 48 | wife | — | Illinois |
| 56 | Leone M. Posth | 11 | daughter | — | Illinois |
| 57 | Arnold L. Hull | 37 | head | Teacher | Iowa |
| 58 | Meta Hull | 38 | wife | — | Iowa |
| 59 | Marilyn Hull | 8 | daughter | — | Iowa |
| 60 | Ronald Hull | 5 | son | — | Iowa |
| 61 | Roberta Hull | 5 | daughter | — | Iowa |
| 62 | Ale Grimar | 78 | head | Janitor | Iowa |
| 63 | Polly Grimar | 78 | wife | — | Iowa |
| 64 | Albert Aiken | 46 | head | Crane Operator | Iowa |
| 65 | Altha Aiken | 47 | wife | — | Ohio |
| 66 | Orrin Morn | 21 | head | Mechanic | Iowa |
| 67 | Lorraine Morn | 21 | wife | Stenographer | Minnesota |
| 68 | Bertha Reis | 67 | head | Seamstress | Germany |
| 69 | George A. Liedtke | 54 | head | Janitor | Illinois |
| 70 | Caroline Liedtke | 56 | wife | — | Iowa |
| 71 | Otto Liedtke | 24 | son | Errand Clerk | Iowa |
| 72 | Herbert Moeller | 30 | head | Letter Carrier | Iowa |
| 73 | Norma Moeller | 31 | wife | — | Montana |
| 74 | Donna Bell Moeller | 5 | daughter | — | Iowa |
| 75 | Adolph Tues | 50 | head | Machinist | Michigan |
| 76 | Emma Tues | 50 | wife | — | Iowa |
| 77 | Helen Tues | 28 | daughter | Stenographer | Iowa |
| 78 | Harold Tues | 23 | son | Clerk | Iowa |
| 79 | Vernon Tues | 19 | son | Machinist Apprentice | Iowa |
| 80 | Ruth Tues | 18 | daughter | New-Worker | 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)