TJ
Thomas Johnston — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nassau-County, New York
Our Model Tree links this Thomas Johnston across the 1920, 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed), with identified parents Thomas & Annie — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, New York |
| Surname | Johnston |
| Given Name | Thomas H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Lynbrook |
| 1935 Residence (County) | Nassau |
| Additional Details | |
| Occupation | Sailor |
| Industry | Steam Ship |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 360 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Sailor |
| Township / Ward | Lynbrook |
| Est. Birth Year | ~1914 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| John Johnston | Son | — | 27 | ~1913 |
| Thomas Johnston | Son | — | 26 | ~1914 |
| William Johnston | Son | — | 25 | ~1915 |
| Minnie Johnston | Head | — | 58 | ~1882 |
Census Appearances
1920
Nassau, New …
Son, age 6
Nassau, New York · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Nassau, New …
Son, age 16
Nassau, New York · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Thomas H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Messenger |
| Industry | Telegraph |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Nassau-County, New …
Son, age 26
Nassau-County, New York · implied b. ~1914 — 4 household members
| Surname | Johnston |
| Given Name | Thomas H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Lynbrook |
| 1935 Residence (County) | Nassau |
| Occupation | Sailor |
| Industry | Steam Ship |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 360 |
| Highest Grade | Hs 1 |
| 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 Thomas Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Johnston (~0.92 confidence) and mother Annie Johnston (~0.92 confidence) and mother Minnie Johnston (~0.92 confidence) and mother Minnie Johnston (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Johnston
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Annie Johnston
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Minnie Johnston
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Minnie Johnston
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Johnston
Son · 1940 · age 26 · b. ~1914 · New York
★ You are viewing this record
Sibling
John Johnston
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Johnston
Sibling · 1940 · age 25
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
1940 US Federal Census — Nassau-County, New York
Open full size
1940 US Federal Census — Nassau-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02686-00364)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Schwarz | 21 | Wife | Secretary | New York |
| 42 | Paul Schwarz | 47 | Head | Merchant | New York |
| 43 | Mary Schwarz | 44 | Wife | — | New York |
| 44 | Alfred Schwarz | 25 | Son | Chemist | California |
| 45 | Norman Schwarz | 17 | Son | — | New York |
| 46 | Alexander Stantt | 53 | Head | Steward | Russia |
| 47 | Hannah Stantt | 52 | Wife | — | Germany |
| 48 | Robert Stantt | 16 | Son | — | New York |
| 49 | Richard Stantt | 14 | Son | — | New York |
| 50 | Kenneth Leyer | 27 | Head | Clerk-Driver | New York |
| 51 | Helen Leyer | 25 | Wife | — | New York |
| 52 | Patricia Leyer | 1 | Daughter | — | New York |
| 53 | William S. Morrison | 42 | Head | Sales Manager | Scotland |
| 54 | Marie E. Morrison | 40 | Wife | — | New York |
| 55 | Bruce Morrison | 14 | Son | — | New York |
| 56 | Frank Doran | 46 | Head | Incinerator | Ohio |
| 57 | Anna Doran | 36 | Wife | Typist | New York |
| 58 | Gloria Doran | 17 | Daughter | — | New York |
| 59 | Jessie Doran | 10 | Daughter | — | Italy |
| 60 | William Rogers | 45 | Head | Bond Trader | New York |
| 61 | Hannah Rogers | 42 | Wife | — | New York |
| 62 | William Jr. Rogers | 15 | Son | — | New York |
| 63 | John Rogers | 10 | Son | — | New York |
| 64 | Doris Duggan | 25 | Sister-in-law | — | Ireland |
| 65 | Mary Duggan | 46 | Sister-in-law | Typist | New York |
| 66 | Anna Duggan | 40 | Sister-in-law | Clerk | New York |
| 67 | Lillian Read | 44 | Head | Stenographer | England |
| 68 | Jerome Unger | 52 | Lodger | Sales | New York |
| 69 | Burton M. Unger | 22 | Lodger | Clerk | New York |
| 70 | George Keogh | 44 | Head | Salesman | New York |
| 71 | Mary Keogh | 42 | Wife | Bookkeeper | New York |
| 72 | John Adley | 64 | Head | Manager | Germany |
| 73 | Florence Adley | 37 | Daughter | Manager | New York |
| 74 | Florence Adley | 62 | Mother | — | England |
| 75 | Gerard Rupprecht | 26 | Head | Investigator | New York |
| 76 | Doris Rupprecht | 24 | Wife | Clerk | New York |
| 77 | Minnie A. Johnston | 58 | Head | — | New York |
| 78 | John A. Johnston | 27 | Son | Helper | New York |
| 79 | Thomas H. Johnston THIS PERSON | 26 | Son | Sailor | New York |
| 80 | William K. Johnston | 25 | Son | Clerk | New York |
Related Census Records
Pedigree Summary
Thomas + 2 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 1940 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)