HP
Harold Peterson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Kings, New York
Our Model Tree links this Harold Peterson across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed), with identified parents Hjalmar & Augusta — first a son (b.~1911), then head of a 5-person household.
Age 19
b. ~1911
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | Peterson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | New York City Brooklyn Borough |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Hjalmar Peterson | Head | — | 53 | ~1877 |
| Ralph Peterson | Son | — | 12 | ~1918 |
| Ruth Peterson | Daughter | — | 22 | ~1908 |
| Knute Peterson | Spouse | — | 52 | ~1878 |
| Harold Peterson | Son | — | 19 | ~1911 |
Census Appearances
1920
Kings, New …
Son, age 9
Kings, New York · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 19
Kings, New York · implied b. ~1911 — 5 household members
| Surname | Peterson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 29
Kings-County, New York · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | NYC |
| 1935 Residence (County) | Kings |
| Occupation | Traff Clerk |
| Industry | Iron Works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hjalmar Peterson (~0.92 confidence) and mother Augusta Peterson (~0.92 confidence) and mother Knute Peterson (~0.92 confidence) and father William Peterson (~0.92 confidence) and father Henry Petersen (~0.92 confidence) and mother Nora Petersen (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hjalmar Peterson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Augusta Peterson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Knute Peterson
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
William Peterson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Henry Petersen
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Nora Petersen
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Peterson
Son · 1930 · age 19 · b. ~1911 · New York
★ You are viewing this record
Sibling
Ruth Peterson
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Peterson
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 — Kings, New York
Open full size
1930 US Federal Census — Kings, New York
Page Contents
42 people indexed on this census page (ia:1930:newyorkcensus00reel1538:0590)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 54 | Horace E Whitney | 50 | Head | Clerk | New York |
| 55 | Mabel A Whitney | 45 | Wife | — | New York |
| 56 | Edgar A Gundell | 33 | Head | Salesman | New York |
| 57 | Edith C Gundell | 33 | Wife | — | New Jersey |
| 58 | Geo W Yates | 57 | Head | Superintendent | New Jersey |
| 59 | Winifred W Yates | 51 | Wife | — | New Jersey |
| 60 | Geo W Jr Yates | 31 | Son | Clerk | New Jersey |
| 61 | Margaret D Yates | 20 | Daughter | Stenographer | New Jersey |
| 62 | Shirley Mcintyre | 54 | Head | — | Connecticut |
| 63 | Winifred C Mcintyre | 23 | Daughter | Teacher | New York |
| 64 | Catherine A Bonds | 46 | Head | — | New York |
| 65 | Marie Anna M Bonds | 46 | Daughter | Operator | New York |
| 66 | Edward H Durnford | 56 | Boarder | Agent | England |
| 68 | Wm G Porter | 40 | Head | Secretary | New York |
| 69 | Ada G Porter | 37 | Wife | — | New York |
| 70 | Willis G Porter | 8 | Son | — | New York |
| 71 | Isaac Koppialky | 72 | Head | Retired | Germany |
| 72 | W Voigt | 36 | Boarder | Cook | Germany |
| 73 | Emma Voigt | 30 | Daughter | — | New York |
| 74 | Edward Voigt | 5 | Grandson | — | Massachusetts |
| 75 | Alma Voigt | 3 | Granddaughter | — | New York |
| 76 | Myrtle Deane | 40 | Head | Grad. Nurse | British West Indies |
| 77 | John W Fay | 27 | Head | Clerk | New York |
| 78 | Harriet D Fay | 26 | Wife | — | New York |
| 79 | Carol Fay | 1 | Daughter | — | New York |
| 80 | Homer Baker | 36 | Head | Broker | New York |
| 81 | Georgia Baker | 29 | Wife | — | Kentucky |
| 82 | Jacqueline Baker | 4 | Daughter | — | New York |
| 84 | Peter A Klingel | 35 | Head | Mechanic | Germany |
| 85 | Marie A Klingel | 33 | Wife | — | Ireland |
| 86 | Hjalmar Peterson | 53 | Head | Cutter | Sweden |
| 87 | Knute Peterson | 52 | Wife | — | Sweden |
| 88 | Ruth Peterson | 22 | Daughter | Clerk | New York |
| 89 | Harold Peterson THIS PERSON | 19 | Son | Clerk | New York |
| 90 | Ralph Peterson | 12 | Son | — | New York |
| 91 | Pasquale Teary | 38 | Head | Watchmaker | Turkey |
| 92 | Helen Teary | 31 | Wife | — | Greece |
| 93 | Anna Teary | 60 | Mother | — | Turkey |
| 94 | James Brunelli | 45 | Head | Tailor | Italy |
| 95 | Mary Brunelli | 47 | Wife | Tailor | Italy |
| 96 | Josephine Brunelli | 42 | Sister | Tailor | Italy |
| 97 | Carmela Brunelli | 70 | Mother | — | Italy |
Pedigree Summary
Harold + 2 siblings
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)