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James Sweeney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Erie-County, New York
Our Model Tree links this James Sweeney across the 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 15 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | New Worker |
| Township / Ward | Buffalo |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Jeanne Sweeney | Daughter | — | 8 | ~1932 |
| Mary Sweeney | Daughter | — | 14 | ~1926 |
| Melvin Sweeney | Head | — | 37 | ~1903 |
| Richard Sweeney | Son | — | 12 | ~1928 |
| John Sweeney | Son | — | 16 | ~1924 |
| Prince Sweeney | Son | — | 5 | ~1935 |
| James Sweeney | Son | — | 18 | ~1922 |
| Donald Sweeney | Son | — | 4 | ~1936 |
| William Sweeney | Son | — | 10 | ~1930 |
| Gertrude Sweeney | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Erie, New …
Son, age 10
Erie, New York · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | James |
| 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/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Son, age 18
Erie-County, New York · implied b. ~1922 — 10 household members
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Buffalo |
| 1935 Residence (County) | Erie |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 15 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 Sweeney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Sweeney
Son · 1940 · age 18 · b. ~1922 · New York
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Sibling
Jeanne Sweeney
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sweeney
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Sweeney
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sweeney
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Prince Sweeney
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Sweeney
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sweeney
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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02823-00550)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bartlett Jr. Mondy | 21 | Head | Auto Mech. | New York |
| 42 | Arlene Mondy | 20 | Wife | — | Penn |
| 43 | Bartlett Iii Mondy | 1 | Son | — | New York |
| 44 | Thomas Kennedy | 62 | Head | Open Hearth Helper | Eire |
| 45 | Anna Kennedy | 53 | Wife | — | Eire |
| 46 | Mary Kennedy | 33 | daughter | Teacher | New York |
| 47 | Dorothy Kennedy | 22 | daughter | Stenographer | New York |
| 48 | Leo Canton | 31 | Head | Crane Operator | New York |
| 49 | Lillian Canton | 25 | Wife | — | New York |
| 50 | Ellen Canton | 4 | daughter | — | New York |
| 51 | Mary Canton | 2 | daughter | — | New York |
| 52 | Mary Colven | 70 | mother-in-law | — | Eire |
| 53 | Mary Berry | 67 | Boarder | — | New York |
| 54 | Eglantine Drake | 52 | Head | Book-Keeper | New York |
| 55 | Isabella Drake | 59 | Sister | — | New York |
| 56 | Donald Gorman | 21 | Head | Laborer | New York |
| 57 | Santa Gorman | 21 | Wife | — | Penn |
| 58 | Melvin Sweeney | 37 | Head | Laborer | New York |
| 59 | Gertrude Sweeney | 42 | Wife | — | New York |
| 60 | James Sweeney THIS PERSON | 18 | son | New Worker | New York |
| 61 | John Sweeney | 16 | son | — | New York |
| 62 | Mary Sweeney | 14 | daughter | — | New York |
| 63 | Richard Sweeney | 12 | son | — | New York |
| 64 | William Sweeney | 10 | son | — | New York |
| 65 | Jeanne Sweeney | 8 | daughter | — | New York |
| 66 | Prince Sweeney | 5 | son | — | New York |
| 67 | Donald Sweeney | 4 | son | — | New York |
| 68 | Miles Lucas | 61 | Head | Painter | Penn |
| 69 | Violet Lucas | 57 | Wife | Charwoman | Penn |
| 70 | Bernard Lucas | 29 | son | Switchman | Penn |
| 71 | Richard Lucas | 25 | son | New Worker | New York |
| 72 | Cecil Lucas | 24 | son | Loader | New York |
| 73 | Ada Lucas | 22 | daughter | Housework | New York |
| 74 | Elizabeth Sante | 79 | mother-in-law | — | Penn |
| 75 | Michael Carden | 71 | Head | — | Eire |
| 76 | Irene Carden | 35 | daughter | Typist | New York |
| 77 | Margaret Coughlin | 42 | daughter | — | Penn |
| 78 | Miles Coughlin | 43 | son-in-law | Driver-Sales | Niagara Falls |
| 79 | Patricia Coughlin | 15 | grand-daughter | — | New York |
| 80 | Mary Coughlin | 13 | grand-daughter | — | New York |
Related Census Records
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)