HD
Herbert Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jerome-County, Idaho
Our Model Tree links this Herbert Davis across the 1930 and 1940 US Censuses in Jerome-County, Idaho (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jerome-County, Idaho |
| Surname | Davis |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Eden |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Eden |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Herbert | Age | Birth yr |
|---|---|---|---|---|
| Ada Davis | Spouse | — | 32 | ~1908 |
| Herbert Davis | Son | — | 11 | ~1929 |
| Jerry Davis | Son | — | 15 | ~1925 |
| George Davis | Son | — | 8 | ~1932 |
| Benjamin Davis | Head | — | 41 | ~1899 |
| Neal Davis | Son | — | 3 | ~1937 |
| Evelyn Davis | Daughter | — | 13 | ~1927 |
| Dale Davis | Son | — | 5 | ~1935 |
| Harry Davis | Son | — | 7 | ~1933 |
| Leroy Davis | Son | — | 9 | ~1931 |
Census Appearances
1930
Jerome, Idaho
Son, age 1
Jerome, Idaho · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jerome-County, Idaho
Son, age 11
Jerome-County, Idaho · implied b. ~1929 — 10 household members
| Surname | Davis |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Eden |
| 1935 Residence (County) | Lincoln |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| 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 Herbert Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Herbert Davis
Son · 1940 · age 11 · b. ~1929 · Idaho
★ You are viewing this record
Sibling
Harry Davis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Neal Davis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Davis
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Davis
Sibling · 1940 · age 5
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 — Jerome-County, Idaho
Open full size
1940 US Federal Census — Jerome-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00747-01040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emil Martens | 58 | Head | Farmer | Germany |
| 2 | Lena Martens | 49 | Wife | — | Nebraska |
| 3 | Minet Martens | 26 | Son | Farm Laborer | Idaho |
| 4 | Winford Martens | 21 | Son | — | Idaho |
| 5 | Hans Martens | 16 | Son | — | Idaho |
| 6 | Randolf Martens | 7 | Son | — | Idaho |
| 7 | Roy Meideman | 23 | Hired hand | Farm Hand | Idaho |
| 8 | Alvin Lierhoff | 33 | Head | Farmer | Illinois |
| 9 | Vilda Lierhoff | 28 | Wife | — | Nebraska |
| 10 | Patricia Lierhoff | 9 | Daughter | — | Idaho |
| 11 | Charline Lierhoff | 7 | Daughter | — | Idaho |
| 12 | Geraldine Lierhoff | 2 | Daughter | — | Idaho |
| 13 | Richard Mirth | 19 | Hired hand | — | Idaho |
| 14 | Benjamin Davis | 41 | Head | Farmer | Illinois |
| 15 | Ada Davis | 32 | Wife | — | Illinois |
| 16 | Jerry Davis | 15 | Son | — | Illinois |
| 17 | Evelyn Davis | 13 | Daughter | — | Illinois |
| 18 | Herbert Davis THIS PERSON | 11 | Son | — | Illinois |
| 19 | Leroy Davis | 9 | Son | — | Idaho |
| 20 | George Davis | 8 | Son | — | Idaho |
| 21 | Harry Davis | 7 | Son | — | Idaho |
| 22 | Dale Davis | 5 | Son | — | Idaho |
| 23 | Neal Davis | 3 | Son | — | Idaho |
| 24 | Cancelled | None | — | — | — |
| 25 | Sophie Young | 58 | Head | — | Germany |
| 26 | Arthur Young | 25 | Son | Farmer | Iowa |
| 27 | Edwin Young | 19 | Son | Farm Hand | Idaho |
| 28 | Thomas Davis | 54 | Head | Farmer | Wisconsin |
| 29 | Gertrude Davis | 44 | Wife | — | Illinois |
| 30 | Vern Labatty | 40 | Head | Farmer | Missouri |
| 31 | Lillian Labatty | 31 | Wife | — | Idaho |
| 32 | Everett Labatty | 5 | Son | — | Idaho |
| 33 | Richard Michaelis | 50 | Head | Farmer | Wisconsin |
| 34 | Olga Michaelis | 46 | Wife | — | Illinois |
| 35 | Warner Michaelis | 18 | Son | Farm Hand | Idaho |
| 36 | Elfrieda Michaelis | 16 | Daughter | — | Idaho |
| 37 | Enos Michaelis | 14 | Son | — | Idaho |
| 38 | Clarence Michaelis | 9 | Son | — | Idaho |
| 39 | Altha Michaelis | 7 | Daughter | — | Idaho |
| 40 | Oscar Waters | 35 | Head | Farmer | Illinois |
Related Census Records
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)