HC
Harold Clark — 1930 US Census Record
Model Tree available1930 United States Federal Census · Atlantic, New Jersey
Our Model Tree links this Harold Clark across the 1900, 1910, 1920 and 1930 US Censuses in Atlantic, New Jersey (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1897), then head of a 5-person household.
Age 33
b. ~1897
Male
Son
Born: New Jersey
Divorced
1930 Census Record Details
| Census Year | 1930 |
| Location | Atlantic, New Jersey |
| Surname | Clark |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Divorced |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Electrician |
| Industry | Buildings |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Electrician |
| Township / Ward | Pleasantville City |
| Est. Birth Year | ~1897 |
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 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| John Collins | Other | — | 14 | ~1916 |
| Harold Clark | Son | — | 33 | ~1897 |
| Ella Clark | Spouse | — | 67 | ~1863 |
| Katie Harris | Daughter | — | 39 | ~1891 |
| John Clark | Head | — | 70 | ~1860 |
Census Appearances
1900
Atlantic, New …
Son, age 4
Atlantic, New Jersey · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Birth Month | Oct |
| Birth Year | 1896 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1910
Atlantic, New …
Son, age 13
Atlantic, New Jersey · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Atlantic, New …
Son, age 23
Atlantic, New Jersey · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Electrician |
| Industry | General |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Atlantic, New …
Son, age 33
Atlantic, New Jersey · implied b. ~1897 — 5 household members
| Surname | Clark |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Divorced |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Electrician |
| Industry | Buildings |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Clark across 4 US Census years (1900, 1910, 1920 and 1930) in Atlantic, New Jersey, using XGBoost record linkage. Identified parents: father John Clark (~0.92 confidence) and father John Clark (~0.92 confidence) and father John Clark (~0.92 confidence) and mother Ella Clark (~0.92 confidence) and mother Ella Clark (~0.92 confidence) and mother Ella Clarke (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Clark
b. ~1860
Source father
● Household
· direct · ~0.92
Father
John Clark
b. ~1860
Source father
● Household
· direct · ~0.92
Father
John Clark
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Ella Clark
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Ella Clark
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Ella Clarke
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Clark
Son · 1930 · age 33 · b. ~1897 · New Jersey
★ You are viewing this record
Sibling
Katie Harris
Sibling · 1930 · age 39
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 — Atlantic, New Jersey
Open full size
1930 US Federal Census — Atlantic, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1310:0252)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William S. Grant | 48 | Head | Proprietor | Kentucky |
| 2 | Florence H. Grant | 45 | Wife | Housework | New Jersey |
| 3 | Audrey L. Grant | 19 | Daughter | — | New Jersey |
| 4 | Milton S. Campbell | 49 | Head | Lamp Attn. | Georgia |
| 5 | Blanche H. Campbell | 42 | Wife | — | North Carolina |
| 6 | Marie Taylor | 25 | Head | Laundress | Virginia |
| 7 | Laura Taylor | 10 | Daughter | — | New Jersey |
| 8 | Earl Taylor | 7 | Son | — | New Jersey |
| 9 | Stella Taylor | 4 | Daughter | — | New Jersey |
| 10 | Alex Powell | 29 | Head | Truck Driver | Alabama |
| 11 | Beulah Powell | 29 | Wife | Waitress | New Jersey |
| 12 | Beatrice Collins | 10 | Daughter | — | Maryland |
| 13 | Richard Collins | 8 | Son | — | New Jersey |
| 14 | Evelyn Powell | 7 | Daughter | — | New Jersey |
| 15 | George Stevens | 59 | Head | — | Virginia |
| 16 | Emory G. Stevens | 26 | Son | Missionary | New Jersey |
| 17 | Milton C. Stevens | 23 | Son | Attendant | New Jersey |
| 18 | Ira Gilliard | 27 | Head | Agent | New Jersey |
| 19 | Maud E. H. Gilliard | 25 | Wife | — | New Jersey |
| 20 | Catherine Gilliard | 9 | Daughter | — | New Jersey |
| 21 | Ira Jr. Gilliard | 8 | Son | — | New Jersey |
| 22 | John Showell | 80 | Head | — | New Jersey |
| 23 | Caroline Showell | 79 | Wife | — | New Jersey |
| 24 | Emily C. Wilson | 51 | Daughter | — | New Jersey |
| 25 | Warren Wilson | 21 | Grandson | Carpenter | New Jersey |
| 26 | Leonard Barrett | 33 | Head | Truck Driver | New Jersey |
| 27 | Ella H. Barrett | 45 | Wife | — | New Jersey |
| 28 | Leonard Barrett | 16 | Son | — | New Jersey |
| 29 | Lewis Barrett | 14 | Son | — | New Jersey |
| 30 | Warren Barrett | 9 | Son | — | New Jersey |
| 31 | Howard Barrett | 8 | Son | — | New Jersey |
| 32 | Ella M. Barrett | 2 | Daughter | — | New Jersey |
| 33 | John H. Clark | 70 | Head | Laborer | New Jersey |
| 34 | Ella H. Clark | 67 | Wife | — | New Jersey |
| 35 | Katie Harris | 39 | Daughter | — | New Jersey |
| 36 | John Collins | 14 | Grandson | — | New Jersey |
| 37 | Harold Clark THIS PERSON | 33 | Son | Electrician | New Jersey |
| 38 | Margaret Boven | 67 | Head | — | Ohio |
| 39 | Alfred Ang | 67 | Head | Repairman | New Jersey |
| 40 | Mary H. Ang | 47 | Wife | — | New Jersey |
| 41 | Joseph Ang | 17 | Son | — | New Jersey |
| 42 | Alfreda Ang | 14 | Daughter | — | New Jersey |
| 43 | Stanley Ang | 12 | Son | — | New Jersey |
| 44 | Endra Ang | 10 | Daughter | — | New Jersey |
| 45 | Emma Ang | 6 | Daughter | — | New Jersey |
| 46 | Lola Ang | 3 | Daughter | — | New Jersey |
| 47 | Walter Price | 64 | Head | — | New Jersey |
| 48 | Ella Price | 38 | Daughter | Cashier | New Jersey |
| 49 | Hannah B. Steelman | 26 | Housekeeper | Housekeeper | New Jersey |
| 50 | John Pasta | 27 | Head | Candy Maker | New York |
Pedigree Summary
Harold + 1 sibling
Gen 1 · 6 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)