JT
James Tracy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this James Tracy across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Tracy |
| Given Name | James Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | H 10 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | New Worker |
| Township / Ward | New York City |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Tracy | Daughter | — | 16 | ~1924 |
| James Tracy | Son | — | 21 | ~1919 |
| James Tracy | Head | — | 46 | ~1894 |
| George Tracy | Son | — | 7 | ~1933 |
| Alfred Tracy | Son | — | 14 | ~1926 |
| Patricia Tracy | Daughter | — | 10 | ~1930 |
| Joan Tracy | Daughter | — | 8 | ~1932 |
| Virginia Tracy | Daughter | — | 20 | ~1920 |
| Mary Tracy | Spouse | — | 42 | ~1898 |
| Anna Tracy | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Kings, New …
Son, age 14
Kings, New York · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Newfoundland |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 21
Kings-County, New York · implied b. ~1919 — 10 household members
| Surname | Tracy |
| Given Name | James Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | H 10 |
| 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 James Tracy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Tracy
Son · 1940 · age 21 · b. ~1919 · New York
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Sibling
George Tracy
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Tracy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Tracy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Tracy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Tracy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Tracy
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Tracy
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-t0627-02579-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael J. Gallagher | 42 | Head | — | Ireland |
| 2 | Isabell Gallagher | 44 | Wife | — | Ireland |
| 3 | Daniel Gallagher | 14 | son | — | New York |
| 4 | Catherine Gallagher | 12 | daughter | — | New York |
| 5 | Patrick Gallagher | 11 | son | — | New York |
| 6 | Mary M. Geraghty | 59 | Head | — | New York |
| 7 | James Geraghty | 56 | brother | Laborer | New York |
| 8 | Frances Geraghty | 53 | sister | — | New York |
| 9 | Charles H. Jelliffe | 53 | Head | — | New York |
| 10 | Anna M. Jelliffe | 55 | Wife | — | New York |
| 11 | Vincent De Sarno | 27 | Head | Laborer | New York |
| 12 | Violet De Sarno | 29 | Wife | — | New York |
| 13 | Carmela De Sarno | 7 | daughter | — | New York |
| 14 | Dominick De Sarno | 5 | son | — | New York |
| 15 | Helen De Sarno | 1 | daughter | — | New York |
| 16 | James Tracy | 46 | Head | Laborer | New York |
| 17 | Mary Tracy | 42 | Wife | — | New York |
| 18 | James Jr. Tracy THIS PERSON | 21 | son | New Worker | New York |
| 19 | Virginia Tracy | 20 | daughter | — | New York |
| 20 | Anna May Tracy | 18 | daughter | New Worker | New York |
| 21 | Dorothy Tracy | 16 | daughter | — | New York |
| 22 | Alfred Tracy | 14 | son | — | New York |
| 23 | Patricia Tracy | 10 | daughter | — | New York |
| 24 | Joan Tracy | 8 | daughter | — | New York |
| 25 | George Tracy | 7 | son | — | New York |
| 26 | Walter Reagan | 42 | Head | New Worker Or Painter | Mass. |
| 27 | Margaret Reagan | 33 | Wife | — | Ireland |
| 28 | Walter Reagan | 9 | son | — | New York |
| 29 | Margaret Reagan | 8 | daughter | — | New York |
| 30 | Agnes Reagan | 7 | daughter | — | New York |
| 31 | Joan Reagan | 4 | daughter | — | New York |
| 32 | Walter Jr. Reagan | 1 | son | — | New York |
| 33 | Vincent Carlo | 50 | Head | Laborer | Italy |
| 34 | Louise Carlo | 42 | Wife | — | New York |
| 35 | Joseph Carlo | 22 | son | Gardener | New York |
| 36 | Michael Carlo | 20 | son | Sailor | New York |
| 37 | Irene Carlo | 15 | daughter | — | New York |
| 38 | Vincent Jr. Carlo | 6 | son | — | New York |
| 39 | Steve Harch | 45 | Head | Chef | Poland |
| 40 | John Rouse | 51 | Head | Chauffeur | 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)