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Harold Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Norfolk, Massachusetts
Our Model Tree links this Harold Davis across the 1910, 1920 and 1930 US Censuses in Norfolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Alexander & Julia — first a son (b.~1901), then head of a 8-person household.
Age 29
b. ~1901
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Norfolk, Massachusetts |
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Poultryman |
| Industry | Poultry Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Poultryman |
| Township / Ward | Wrentham Town |
| Est. Birth Year | ~1901 |
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 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Alice Davis | Daughter | — | 22 | ~1908 |
| Mildred Davis | Daughter | — | 10 | ~1920 |
| Alexander Davis | Head | — | 63 | ~1867 |
| Warren Davis | Son | — | 21 | ~1909 |
| Harold Davis | Son | — | 29 | ~1901 |
| Frank Davis | Son | — | 12 | ~1918 |
| Charles Davis | Son | — | 15 | ~1915 |
| Julia Davis | Spouse | — | 56 | ~1874 |
Census Appearances
1910
Norfolk, Massachusetts
Son, age 9
Norfolk, Massachusetts · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harold L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Norfolk, Massachusetts
Son, age 19
Norfolk, Massachusetts · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Harold L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Occupation | Farmer |
| Industry | At home |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Norfolk, Massachusetts
Son, age 29
Norfolk, Massachusetts · implied b. ~1901 — 8 household members
| Surname | Davis |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Massachusetts |
| Occupation | Poultryman |
| Industry | Poultry Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| 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 Harold Davis across 3 US Census years (1910, 1920 and 1930) in Norfolk, Massachusetts, using XGBoost record linkage. Identified parents: father Alexander Davis (~0.92 confidence) and mother Julia Davis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Davis
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Julia Davis
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Davis
Son · 1930 · age 29 · b. ~1901 · Massachusetts
★ You are viewing this record
Sibling
Mildred Davis
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Davis
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Davis
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Davis
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Davis
Sibling · 1930 · age 12
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
1930 US Federal Census — Norfolk, Massachusetts
Open full size
1930 US Federal Census — Norfolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel937:1129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank E. Snow | 68 | Head | Superintendent | Massachusetts |
| 52 | Frank E. Jr. Snow | 42 | Son | Farmer | Massachusetts |
| 53 | Susan S. Snow | 40 | Daughter-in-law | — | Massachusetts |
| 54 | Marjorie Snow | 17 | Granddaughter | — | Massachusetts |
| 55 | Donald Snow | 11 | Grandson | — | Massachusetts |
| 56 | Jeanette Smith | 56 | Servant | Housekeeper | Louisiana |
| 57 | Herbert Ludwig | 27 | Head | Farmer | Maine |
| 58 | Alice Ludwig | 30 | Wife | — | Maine |
| 59 | Robert Leary | 16 | Boarder | — | Massachusetts |
| 60 | Gerald Leary | 14 | Boarder | — | Massachusetts |
| 61 | Sanford Carr | 71 | Father-in-law | — | Maine |
| 62 | Warren W. Smith | 42 | Head | Foreman | Rhode Island |
| 63 | Roland W. Smith | 41 | Brother | Toolmaker | New Hampshire |
| 64 | Alice B. Smith | 72 | Mother | — | Vermont |
| 65 | Michael Hoffman | 39 | Head | Laborer | Hungary |
| 66 | Anna Hoffman | 50 | Wife | — | Hungary |
| 67 | Ernest Hoffman | 17 | Son | — | Connecticut |
| 68 | George Hoffman | 14 | Son | — | Massachusetts |
| 69 | Arthur Hoffman | 12 | Son | — | Massachusetts |
| 70 | Alexander M. Davis | 63 | Head | Farmer | Rhode Island |
| 71 | Julia Davis | 56 | Wife | — | Massachusetts |
| 72 | Harold Davis THIS PERSON | 29 | Son | Poultryman | Massachusetts |
| 73 | Alice L. Davis | 22 | Daughter | Machine Oper. | Massachusetts |
| 74 | Warren P. Davis | 21 | Son | Machine Oper. | Massachusetts |
| 75 | Charles Davis | 15 | Son | — | Massachusetts |
| 76 | Frank N. Davis | 12 | Son | — | Massachusetts |
| 77 | Mildred M. Davis | 10 | Daughter | — | Massachusetts |
| 78 | Fred L. Moody | 54 | Head | Caretaker | Maine |
| 79 | Vigner M. Moody | 43 | Wife | — | Newfoundland |
| 80 | Esma T. Moody | 11 | Daughter | — | Massachusetts |
| 81 | Charles G. Morse | 61 | Head | Machinist | Massachusetts |
| 82 | Annie G. Morse | 60 | Wife | — | Canada English |
| 83 | Carl G. Morse | 24 | Son | Radio Tester | Massachusetts |
| 84 | Elmer T. Morse | 21 | Son | Machine Apprentice | Massachusetts |
| 85 | Bertha Morse | 20 | Daughter-in-law | — | Massachusetts |
| 86 | George Condon | 73 | Boarder | — | Canada English |
| 87 | Elizabeth Condon | 42 | Boarder | — | Canada English |
| 88 | Edgar H. Ledding | 35 | Head | Machinist | Maine |
| 89 | Mae D. Ledding | 32 | Wife | — | New Hampshire |
| 90 | George M. Ledding | 6 | Son | — | Massachusetts |
| 91 | Edgar D. Ledding | 5 | Son | — | Massachusetts |
| 92 | Charles J. Stewart | 87 | Boarder | — | Maine |
| 93 | William H. Guild | 28 | Head | Carpenter | Canada English |
| 94 | Myrtle Guild | 23 | Wife | — | Massachusetts |
| 95 | Gerald A. Guild | 0 | Son | — | Massachusetts |
| 96 | Richard Walsh | 30 | Head | Inspector | Rhode Island |
| 97 | Madeline G. Walsh | 29 | Wife | — | Rhode Island |
| 98 | Regina M. Walsh | 2 | Daughter | — | Rhode Island |
| 99 | Geraldine G. Walsh | 1 | Daughter | — | Massachusetts |
| 100 | George F. Thompson | 20 | Brother-in-law | — | Rhode Island |
Related Census Records
Pedigree Summary
Harold + 5 siblings
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 1930 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)