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Harry Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Harry Davis across the 1910, 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 5-person household.
Age 77
b. ~1863
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Liberty Township |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Liberty Township |
| Est. Birth Year | ~1863 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Davis | Head | — | 77 | ~1863 |
| Almon Davis | Son | — | 20 | ~1920 |
| Gordon Davis | Son | — | 33 | ~1907 |
| Fred Davis | Son | — | 28 | ~1912 |
| Elizabeth Davis | Spouse | — | 59 | ~1881 |
Census Appearances
1910
Butler, Ohio
Head, age 47
Butler, Ohio · implied b. ~1863 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ohio |
| Years Married | 3 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Butler, Ohio
Head, age 56
Butler, Ohio · implied b. ~1864 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Head, age 67
Butler, Ohio · implied b. ~1863 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 43 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Head, age 77
Butler-County, Ohio · implied b. ~1863 — 5 household members
| Surname | Davis |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 77 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Liberty Township |
| 1935 Residence (County) | Butler |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Harry Davis across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Harry Davis
Head · 1940 · age 77 · b. ~1863 · Ohio
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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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03034-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Effie Hauser | 23 | wife | — | Ohio |
| 2 | Wilbur Jr. Hauser | 3 | son | — | Ohio |
| 3 | Thomas Hauser | 2 | son | — | Ohio |
| 4 | Robert Hauser | 0 | son | — | Ohio |
| 5 | Julius W. Schmidt | 64 | Head | Farming | Ohio |
| 6 | Elizabeth Schmidt | 69 | wife | — | Germany |
| 7 | Harry Beeler | 33 | Head | Laborer | Ohio |
| 8 | Ruth Beeler | 25 | wife | — | Ohio |
| 9 | Mary H. Beeler | 0 | daughter | — | Ohio |
| 10 | Thomas Evans | 41 | Head | Paper Maker | Ohio |
| 11 | Rena Evans | 31 | wife | — | Kentucky |
| 12 | Margaret Evans | 10 | daughter | — | Ohio |
| 13 | Thomas Jr. Evans | 8 | son | — | Ohio |
| 14 | Herman Kranbuhl | 50 | Head | Farming | Ohio |
| 15 | Helena Kranbuhl | 47 | wife | — | Kentucky |
| 16 | Mary J. Kranbuhl | 22 | daughter | Labor | Ohio |
| 17 | Betty Kranbuhl | 20 | daughter | Np | Ohio |
| 18 | Herman Jr. Kranbuhl | 18 | son | Clerk | Ohio |
| 19 | Ruth A. Kranbuhl | 16 | daughter | — | Ohio |
| 20 | John Kranbuhl | 7 | son | — | Ohio |
| 21 | Harry Davis THIS PERSON | 77 | Head | — | Ohio |
| 22 | Elizabeth Davis | 59 | wife | — | Ohio |
| 23 | Gordon Davis | 33 | son | Farming | Ohio |
| 24 | Fred Davis | 28 | son | Cabinet Worker | Ohio |
| 25 | Almon Davis | 20 | son | Cabinet Worker | Ohio |
| 26 | Arthur Raff | 35 | Head | Proprietor | Ohio |
| 27 | Georgia Raff | 24 | wife | — | Kentucky |
| 28 | Arthur Jr. Raff | 3 | son | — | Ohio |
| 29 | Sylvester Raff | 0 | son | — | Ohio |
| 30 | Paul Koedel | 32 | Head | Laborer | Ohio |
| 31 | Adell Koedel | 33 | wife | — | Ohio |
| 32 | Ralph Koedel | 8 | son | — | Ohio |
| 33 | Shirley Koedel | 4 | daughter | — | Ohio |
| 34 | Caroline Koedel | 3 | daughter | — | Ohio |
| 35 | Ralph L. Ward | 45 | Head | Pattern Maker | Ohio |
| 36 | Elizabeth M. Ward | 44 | wife | — | Ohio |
| 37 | Albert Lindley | 21 | Head | Farming | Ohio |
| 38 | Bernice A. Lindley | 19 | wife | — | Ohio |
| 39 | Frederick A. Lindley | 2 | son | — | Ohio |
| 40 | Nathaniel Henderson | 69 | Hired hand | Laborer | Kentucky |
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)