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John Johnston — 1930 US Census Record
Model Tree available1930 United States Federal Census · New York, New York
Our Model Tree links this John Johnston across the 1920, 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed), with identified parents John & James — first a son (b.~1910), then head of a 2-person household.
Age 20
b. ~1910
Male
Son
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | New York, New York |
| Surname | Johnston |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Clerk |
| Industry | Brokerage |
| 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 |
| Est. Birth Year | ~1910 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Johnston | Head | — | 43 | ~1887 |
| John Johnston | Son | — | 20 | ~1910 |
Census Appearances
1920
Queens, New …
Son, age 10
Queens, New York · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 20
New York, New York · implied b. ~1910 — 2 household members
| Surname | Johnston |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Clerk |
| Industry | Brokerage |
| 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 30
Kings-County, New York · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnstone |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City, Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Accountant |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 38 |
| Highest Grade | No 8 |
| 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 John Johnston across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Johnstone (~0.92 confidence) and father James Johnston (~0.92 confidence) and mother Martha Johnstone (~0.92 confidence) and father John Johnston (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnstone
b. ~1871
Source father
● Household
· direct · ~0.92
Father
James Johnston
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Martha Johnstone
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
John Johnston
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Johnston
Son · 1930 · age 20 · b. ~1910 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — New York, New York
Open full size
1930 US Federal Census — New York, New York
Page Contents
49 people indexed on this census page (ia:1930:newyorkcensus00reel1580:0397)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank A. Peterson | 61 | Head | — | Canada-English |
| 2 | Evelyn Peterson | 24 | Daughter | — | Canada-English |
| 3 | Edith Peterson | 21 | Daughter | Stenographer | Canada-English |
| 4 | George Huffer | 35 | Head | Route Man | New York |
| 5 | Dorothy Huffer | 34 | Wife-H | — | Maryland |
| 6 | Gertrude Huffer | 15 | Daughter | — | New York |
| 7 | Katherine Williams | 68 | Head | — | New York |
| 8 | Katherine Williams | 25 | Daughter | Operator | New York |
| 9 | Presley Birchell | 39 | Head | Tool Maker | Pennsylvania |
| 10 | Florence Birchell | 34 | Daughter | Operator | New York |
| 11 | Raymond Birchell | 10 | Son | — | Pennsylvania |
| 12 | Richard Birchell | 5 | Son | — | New York |
| 13 | Mary White | 51 | Head | — | England |
| 14 | Richard White | 22 | Son | Clerk | New York |
| 15 | George White | 18 | Son | Mechanic | New York |
| 16 | Robert White | 15 | Son | — | New York |
| 17 | Peter Sevilla | 28 | Head | Laborer | Porto Rico |
| 18 | Esther Sevilla | 26 | Wife-H | — | Porto Rico |
| 19 | Esther Sevilla | 9 | Daughter | — | New York |
| 20 | Peter Sevilla | 7 | Son | — | New York |
| 21 | William Sevilla | 5 | Son | — | New York |
| 22 | Anna Vasquez | 17 | Boarder | — | Porto Rico |
| 23 | Arthur Parkhurst | 31 | Head | — | Italy |
| 24 | Victoria Parkhurst | 23 | Wife-H | — | Italy |
| 25 | Arthur Parkhurst | 1 | Son | — | New York |
| 26 | James Intenery | 32 | Head | Clerk | Italy |
| 27 | Anna Intenery | 32 | Wife-H | — | Italy |
| 28 | Albert Hochstein | 28 | Head | Salesman | Russia |
| 29 | Marion Hochstein | 26 | Wife-H | — | New York |
| 30 | Frances Hochstein | 4 | Daughter | — | New York |
| 31 | Morris Heilman | 62 | Head | — | Galicia |
| 32 | Mollie Heilman | 62 | Wife-H | — | Galicia |
| 33 | Jean Heilman | 20 | Daughter | Stenographer | New York |
| 34 | Esther Bard | 26 | Step-Daughter | Stenographer | Russia |
| 35 | Esther Bard | 26 | Step-Daughter | Saleslady | Russia |
| 36 | Mathilda Ellwanger | 60 | Head | — | New York |
| 37 | Fannie Hallay | 24 | Sister | Teacher | New York |
| 38 | Charles Ferguson | 52 | Head | Salesman | Bermuda |
| 39 | Catherine Ferguson | 36 | Wife-H | — | New York |
| 40 | Albert J. Nicolaus | 38 | Head | — | New York |
| 41 | Edith Nicolaus | 37 | Wife-H | — | New York |
| 42 | Louise Nicolaus | 35 | Sister-H | — | New York |
| 43 | John Garrson | 42 | Head | Carpenter | Sweden |
| 44 | Catherine Garrson | 40 | Wife-H | — | Germany |
| 45 | Catherine Garrson | 17 | Daughter | — | New York |
| 46 | Marguerite Monahan | 27 | Head | Nurse | Florida |
| 47 | Earl E. Williams | 39 | Head | Accountant | Canada-English |
| 48 | John J. Johnston | 43 | Head | Button Maker | New York |
| 49 | John Johnston THIS PERSON | 20 | Son | Clerk | New York |
Pedigree Summary
John
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)