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Thomas Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Thomas Alexander across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Alexander |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York Brooklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York Brooklyn |
| Est. Birth Year | ~1923 |
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 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Alexander Alexander | Head | — | 53 | ~1887 |
| Alexander Alexander | Son | — | 18 | ~1922 |
| William Alexander | Son | — | 21 | ~1919 |
| John Alexander | Son | — | 25 | ~1915 |
| Marie Alexander | Spouse | — | 24 | ~1916 |
| Esther Alexander | Spouse | — | 53 | ~1887 |
| Esther Alexander | Daughter | — | 10 | ~1930 |
| Thomas Alexander | Son | — | 17 | ~1923 |
Census Appearances
1930
Kings, New …
Son, age 8
Kings, New York · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 17
Kings-County, New York · implied b. ~1923 — 8 household members
| Surname | Alexander |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York Brooklyn |
| 1935 Residence (County) | Kings |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 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 Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Alexander
Son · 1940 · age 17 · b. ~1923 · New York
★ You are viewing this record
Sibling
Alexander Alexander
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Alexander
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Alexander
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Alexander
Sibling · 1940 · age 10
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02553-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Herman Goldberg | 46 | Head | Pharmacist | Russia |
| 42 | Rose Goldberg | 44 | Wife | — | Russia |
| 43 | Jack Goldberg | 18 | Son | Children Instructor | New York |
| 44 | Melba Goldberg | 14 | Daughter | — | New York |
| 45 | Howard T. Gould | 36 | Head | Electrician | New York |
| 46 | Mary D. Gould | 36 | Wife | — | Scotland |
| 47 | Connie Gould | 11 | Daughter | — | New York |
| 48 | Howard Gould | 4 | Son | — | New York |
| 49 | William Smith | 60 | Father in law | Gardener | England |
| 50 | Mary Smith | 63 | Mother in law | — | Scotland |
| 51 | Bob Smith | 31 | Brother in law | Gardener | Scotland |
| 52 | Alexander Alexander | 53 | Head | Glazier | Scotland |
| 53 | Esther Alexander | 53 | Wife | — | Scotland |
| 54 | John Alexander | 25 | Son | Porter | New York |
| 55 | Alexander Ii Alexander | 18 | Son | New Worker | New York |
| 56 | Thomas Alexander THIS PERSON | 17 | Son | — | New York |
| 57 | Esther Ii Alexander | 10 | Daughter | — | New York |
| 58 | William Alexander | 21 | Son | Sales Clerk | New York |
| 59 | Marie (Al) Alexander | 24 | Wife | — | New York |
| 60 | Robert Penick | 36 | Head | Salesman | New York |
| 61 | Ruth Penick | 36 | Wife | — | New York |
| 62 | Doris Penick | 13 | Daughter | — | New York |
| 63 | June Penick | 2 | Daughter | — | New York |
| 64 | John William Jr. Smith | 38 | Head | Glazier | Scotland |
| 65 | Mary Smith | 33 | Wife | — | Scotland |
| 66 | Helen Smith | 9 | Daughter | — | Scotland |
| 67 | William Smith | 3 | Son | — | New York |
| 68 | Mary Smith | 1 | Daughter | — | New York |
| 69 | John Kelly | 80 | Head | — | Scotland |
| 70 | Agnes Kelly | 74 | Grandmother | — | Scotland |
| 71 | Joseph J. Windlatt | 47 | Head | Law Practice | New York |
| 72 | Frieda Windlatt | 48 | Wife | Kindergarten | Russia |
| 73 | David Windlatt | 18 | Son | Usher | New York |
| 74 | Muriel Windlatt | 13 | Daughter | — | New York |
| 75 | Leonard Silberman | 25 | Head | Photography | New York |
| 76 | Augusta Silberman | 23 | Wife | Salesgirl | New York |
| 77 | Benjamin Sallen | 47 | Head | Principal | New York |
| 78 | Anna Sallen | 42 | Wife | — | New York |
| 79 | Roy Sallen | 13 | Son | — | New York |
| 80 | Elizabeth Sallen | 7 | Daughter | — | New York |
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)