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George Davidson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Boone-County, Iowa
Our Model Tree links this George Davidson across the 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 8-person household.
Age 42
b. ~1898
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Iowa |
| Surname | Davidson |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | Car Inspector |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 318 |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Car Inspector |
| Township / Ward | Boone |
| Est. Birth Year | ~1898 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| George Davidson | Son | — | 15 | ~1925 |
| Robert Davidson | Son | — | 11 | ~1929 |
| George Davidson | Head | — | 42 | ~1898 |
| Brother Ray | Other | — | — | |
| James Davidson | Son | — | 7 | ~1933 |
| Richard Davidson | Son | — | 4 | ~1936 |
| Helen Davidson | Daughter | — | 9 | ~1931 |
| Mary Davidson | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Boone, Iowa
Head, age 32
Boone, Iowa · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Car Inspector |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | WW |
| Home Value / Rent | R |
| Radio Set | 25 |
| Veteran | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Boone-County, Iowa
Head, age 42
Boone-County, Iowa · implied b. ~1898 — 8 household members
| Surname | Davidson |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone |
| 1935 Residence (County) | Boone |
| Occupation | Car Inspector |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 318 |
| Highest Grade | G 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 George Davidson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
George Davidson
Head · 1940 · age 42 · b. ~1898 · 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 — Boone-County, Iowa
Open full size
1940 US Federal Census — Boone-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01141-00166)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gladys I Heitkamp | 38 | Wife | Housewife | Iowa |
| 42 | Shirley Heitkamp | 7 | Adopted Daughter | — | Iowa |
| 43 | Ronald Dean Heitkamp | 2 | Adopted Son | — | Nebraska |
| 44 | John Barry | 46 | Head | Policeman | Iowa |
| 45 | Mary Barry | 54 | Wife | — | Iowa |
| 46 | Sarah Van Cleef | 81 | Head | — | Indiana |
| 47 | James Brice | 38 | Head | Operator | Iowa |
| 48 | Edna Brice | 37 | Wife | — | Iowa |
| 49 | Alice Marie Brice | 15 | Daughter | — | Iowa |
| 50 | Edward Brice | 11 | Son | — | Iowa |
| 51 | Patrick Brice | 14 | Son | — | Iowa |
| 52 | Andrew Hansen | 63 | Head | Watchman | Denmark |
| 53 | Rose Marie Hansen | 36 | Daughter | — | Iowa |
| 54 | Ephraim Hansen | 30 | Son | Painter | Iowa |
| 55 | Lawrence Hansen | 32 | Son | Painter | Iowa |
| 56 | Raymond Judge | 46 | Head | Moulder Helper | Iowa |
| 57 | Irena Judge | 45 | Wife | — | Illinois |
| 58 | Lucille Judge | 16 | Daughter | — | Iowa |
| 59 | Charlotte Judge | 13 | Daughter | — | Iowa |
| 60 | Claire Judge | 11 | Daughter | — | Iowa |
| 61 | Susan Judge | 6 | Daughter | — | Iowa |
| 62 | Charles Seaver | 80 | Head | — | Germany |
| 63 | Caroline Seaver | 75 | Wife | — | Germany |
| 64 | George Bauman | 62 | Head | Conductor | Iowa |
| 65 | Anna Bauman | 60 | Wife | — | Iowa |
| 66 | Carl A Peterson | 60 | Head | Car Repair | Sweden |
| 67 | Johana Peterson | 67 | Wife | — | Sweden |
| 68 | Roswell Chamber | 26 | Head | Coach Cleaner | Iowa |
| 69 | Virginia Chamber | 23 | Wife | — | Iowa |
| 70 | Sandra Lou Chamber | 0 | Daughter | — | Iowa |
| 71 | George Davidson THIS PERSON | 42 | Head | Car Inspector | Iowa |
| 72 | Mary Davidson | 37 | Wife | — | Pennsylvania |
| 73 | George Davidson | 15 | Son | — | Iowa |
| 74 | Robert Davidson | 11 | Son | — | Iowa |
| 75 | Helen Davidson | 9 | Daughter | — | Iowa |
| 76 | James Davidson | 7 | Son | — | Iowa |
| 77 | Richard Davidson | 4 | Son | — | Iowa |
| 78 | Brother Ray | None | M | Railroad | — |
| 79 | Fred Craven | 72 | Head | Brakeman | Iowa |
| 80 | Helen Craven | 40 | 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)