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Henry Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Henry Davis across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Irving & Minnie — first a head (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Davis |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Hingham Town |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Custodian |
| Industry | State Armory |
| Class of Worker | GW |
| Hours Worked | 7 |
| Income (1939) | 1600 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Custodian |
| Township / Ward | Hingham Town |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Alena Davis | Daughter | — | 5 | ~1935 |
| Joan Davis | Daughter | — | 5 | ~1935 |
| Henry Davis | Head | — | 35 | ~1905 |
| Henry Davis | Son | — | 10 | ~1930 |
| Robert Davis | Son | — | 8 | ~1932 |
| Alena Davis | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Plymouth, Massachusetts
Son, age 16
Plymouth, Massachusetts · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Son, age 26
Plymouth, Massachusetts · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Henry I |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Armorer |
| Industry | State Armory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Head, age 35
Plymouth-County, Massachusetts · implied b. ~1905 — 6 household members
| Surname | Davis |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Hingham Town |
| 1935 Residence (County) | Plymouth |
| Occupation | Custodian |
| Industry | State Armory |
| Class of Worker | GW |
| Hours Worked | 7 |
| Income (1939) | 1600 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Henry Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Irving Davis (~0.92 confidence) and mother Minnie Davis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Irving Davis
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Minnie Davis
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Henry Davis
Head · 1940 · age 35 · b. ~1905 · Massachusetts
★ 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01638-00199)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert D. Marshall | 53 | Head | Painter | Massachusetts |
| 2 | Lois Marshall | 72 | Wife | — | Massachusetts |
| 3 | Herbert Breed | 36 | Head | Police Sergeant | Massachusetts |
| 4 | Anna Breed | 37 | Wife | — | Massachusetts |
| 5 | Henry Davis THIS PERSON | 35 | Head | Custodian | Massachusetts |
| 6 | Alena Davis | 33 | Wife | — | Massachusetts |
| 7 | Henry J. Davis | 10 | Son | — | Massachusetts |
| 8 | Robert B. Davis | 8 | Son | — | Massachusetts |
| 9 | Alena May Davis | 5 | Daughter | — | Massachusetts |
| 10 | Joan A. Davis | 5 | Daughter | — | Massachusetts |
| 11 | George Pickering | 46 | Head | Electric Welder | Maine |
| 12 | Emma Pickering | 44 | Wife | — | Canada-English |
| 13 | George Jr. Pickering | 18 | Son | Laborer | Massachusetts |
| 14 | John Pickering | 15 | Son | — | Massachusetts |
| 15 | Priscilla Pickering | 13 | Daughter | — | Massachusetts |
| 16 | Robert Pickering | 11 | Son | — | Massachusetts |
| 17 | Frank Pickering | 5 | Son | — | Massachusetts |
| 18 | Duff Cecil Pickering | 21 | Lodger | Laborer | Maine |
| 19 | John Williams | 54 | Head | Proprietor | Massachusetts |
| 20 | Mary Williams | 45 | Wife | — | Irish Free State |
| 21 | Richard Killen | 42 | Head | Civil Engineer | Massachusetts |
| 22 | Clare Killen | 38 | Wife | — | Massachusetts |
| 23 | Robert Killen | 11 | Son | — | Massachusetts |
| 24 | James Killen | 3 | Son | — | Massachusetts |
| 25 | Lester Brackley | 47 | Head | Riveter | Maine |
| 26 | Katherine Brackley | 40 | Wife | — | Massachusetts |
| 27 | Lester Jr. Brackley | 20 | Son | General Helper | Massachusetts |
| 28 | Paul Brackley | 16 | Son | — | Massachusetts |
| 31 | Charles Hopkins | 46 | Head | Geodetic Engineer | Pennsylvania |
| 32 | Lois Hopkins | 45 | Wife | — | Ohio |
| 33 | Charles Jr. Hopkins | 22 | Son | — | Pennsylvania |
| 34 | Anne Hopkins | 10 | Daughter | — | New York |
| 35 | Lawrence Williams | 68 | Head | Accountant | Massachusetts |
| 36 | John Ayers | 30 | Head | Gardener | Massachusetts |
| 37 | Blanche Ayers | 20 | Wife | — | Massachusetts |
| 38 | Thomas Ayers | 0 | Son | — | Massachusetts |
| 39 | John Bresnahan | 34 | Head | Sales Clerk | Massachusetts |
| 40 | Betty Bresnahan | 25 | Wife | — | Massachusetts |
Pedigree Summary
Henry
Gen 1 · 2 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)