HS
Harold Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Harold Smith across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1903), then head of a 8-person household.
Age 27
b. ~1903
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Smith |
| Given Name | Harold J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lynn City |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| Anna Smith | Daughter | — | 19 | ~1911 |
| Mary Smith | Daughter | — | 22 | ~1908 |
| William Smith | Head | — | 52 | ~1878 |
| Annie Smith | Other | — | 54 | ~1876 |
| James Mccarron | Other | — | 47 | ~1883 |
| John Ahe | Other | — | 47 | ~1883 |
| William Smith | Son | — | 25 | ~1905 |
| Harold Smith | Son | — | 27 | ~1903 |
Census Appearances
1910
Essex, Massachusetts
Son, age 7
Essex, Massachusetts · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Harold J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 17
Essex, Massachusetts · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Harold J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 27
Essex, Massachusetts · implied b. ~1903 — 8 household members
| Surname | Smith |
| Given Name | Harold J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| 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 Smith across 3 US Census years (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Smith
Son · 1930 · age 27 · b. ~1903 · Massachusetts
★ You are viewing this record
Sibling
Anna Smith
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Smith
Sibling · 1930 · age 22
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 — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel900:0791)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Piechocki | 42 | Head | Sorter | Poland |
| 52 | Annie Piechocki | 45 | Wife-H | — | Poland |
| 53 | Agnes Piechocki | 18 | Daughter | Paste Work | Massachusetts |
| 54 | Mary Piechocki | 16 | Daughter | None | Massachusetts |
| 55 | Sophie Piechocki | 14 | Daughter | None | Massachusetts |
| 56 | Helen Piechocki | 9 | Daughter | None | Massachusetts |
| 57 | Stanley Padick | 35 | Head | Stock Clerk | Poland |
| 58 | Vanda Padick | 38 | Wife-H | None | Poland |
| 59 | Walter Padick | 10 | Son | None | Massachusetts |
| 60 | Frank Pissak | 41 | Boarder | Clerk | Poland |
| 61 | Charles E Steven | 50 | Head | Attendant | Maine |
| 62 | Katherine Steven | 51 | Wife | None | Massachusetts |
| 63 | John Clark | 75 | Father in law | None | Massachusetts |
| 64 | William D Smith | 52 | Head | Burnishing | Maine |
| 65 | Annie Smith | 54 | Wife-H | None | Massachusetts |
| 66 | Harold J Smith THIS PERSON | 27 | Son | None | Massachusetts |
| 67 | William F Smith | 25 | Son | Clerk | Massachusetts |
| 68 | Mary I Smith | 22 | Daughter | None | Massachusetts |
| 69 | Anna L Smith | 19 | Daughter | None | Massachusetts |
| 70 | John Ahe | 47 | Brother in law | None | Massachusetts |
| 71 | James Mccarron | 47 | Boarder | Steam Fitter | Massachusetts |
| 72 | Bridget Husty | 70 | Head-H | None | Ireland-North |
| 73 | Thomas E Husty | 49 | Son | Burnisher | Ireland-North |
| 74 | Richard F Husty | 43 | Son | Burnisher | Ireland-North |
| 75 | Mary B Husty | 20 | Grand Daughter | None | Massachusetts |
| 76 | Ann E Eufinie | 50 | Daughter | Stitcher | Ireland-North |
| 77 | John Shendall | 45 | Head | Transportation | Lithuania |
| 78 | Katherine Shendall | 36 | Wife-H | Paste Work | Lithuania |
| 79 | John Shendall | 16 | Son | None | Massachusetts |
| 80 | Helen Shendall | 13 | Daughter | None | Massachusetts |
| 81 | George Chabra | 29 | Head | Beam House | New York |
| 82 | Louise Chabra | 33 | Wife-H | None | Czecho-Slovakia |
| 83 | Frank Chabra | 6 | Son | None | Massachusetts |
| 84 | John Chabra | 2 | Son | None | Massachusetts |
| 85 | Michael Luckman | 60 | Head | Moulder | Czecho-Slovakia |
| 86 | Elizabeth Luckman | 56 | Wife-H | None | Czecho-Slovakia |
| 87 | Julia Luckman | 21 | Daughter | Winder | Massachusetts |
| 88 | Veronica Luckman | 18 | Daughter | None | Massachusetts |
| 89 | Michael S Luckman | 17 | Son | None | Massachusetts |
| 90 | Helena Luckman | 14 | Daughter | None | Massachusetts |
| 91 | Dorothy Luckman | 1 | Gr Daughter | None | Rhode Island |
| 92 | Matthew B Unger | 38 | Head-H | Dry Beam | Czecho-Slovakia |
| 93 | Sophie Unger | 10 | Daughter | None | Massachusetts |
| 94 | Michael Unger | 5 | Son | None | Massachusetts |
| 95 | John Pazkowski | 36 | Head | Core Maker | Poland |
| 96 | Stella Pazkowski | 34 | Wife-H | Tapping | Poland |
| 97 | Helen Pazkowski | 12 | Daughter | None | Massachusetts |
| 98 | Anthony Pazkowski | 12 | Son | None | Massachusetts |
| 99 | Edward Pazkowski | 11 | Son | None | Massachusetts |
| 100 | Alphonse Pazkowski | 8 | Son | None | Massachusetts |
Pedigree Summary
Harold + 3 siblings
Gen 1 · 4 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)