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James Dempsey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this James Dempsey across the 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Springfield |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Bridget Dempsey | Spouse | — | 36 | ~1904 |
| Edward Dempsey | Son | — | 4 | ~1936 |
| James Dempsey | Head | — | 47 | ~1893 |
| Patricia Dempsey | Daughter | — | 7 | ~1933 |
| Martha Dempsey | Daughter | — | 14 | ~1926 |
| Robert Dempsey | Son | — | 3 | ~1937 |
| Elisabeth Dempsey | Daughter | — | 6 | ~1934 |
| John Dempsey | Son | — | 10 | ~1930 |
| William Dempsey | Son | — | 8 | ~1932 |
| James Dempsey | Son | — | 12 | ~1928 |
Census Appearances
1930
Hampden, Massachusetts
Son, age 2
Hampden, Massachusetts · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Son, age 12
Hampden-County, Massachusetts · implied b. ~1928 — 10 household members
| Surname | Dempsey |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Dempsey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dempsey
Son · 1940 · age 12 · b. ~1928 · Massachusetts
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Sibling
Elisabeth Dempsey
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dempsey
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Dempsey
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Dempsey
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dempsey
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Dempsey
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dempsey
Sibling · 1940 · age 3
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 — Hampden-County, Massachusetts
Open full size
1940 US Federal Census — Hampden-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01706-00348)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Branislaus Zabrowski | 18 | Son | Bell Boy | Massachusetts |
| 2 | Martin Rajurski | 46 | Head | Tire Maker | Poland |
| 3 | Celia Rajurski | 45 | Wife | — | Poland |
| 4 | Irene Rajurski | 25 | Daughter | Envelope Makers | Massachusetts |
| 5 | Anna Rajurski | 21 | Daughter | Envelope Makers | Massachusetts |
| 6 | A. Ovilla | 49 | Head | Brick Layer | Canada-French |
| 7 | Gladys Ovilla | 31 | Wife | — | Massachusetts |
| 8 | Ruth Sittaway | 16 | Step-daughter | House Work | Massachusetts |
| 9 | Shirley Sittaway | 13 | Step-daughter | — | Massachusetts |
| 10 | Stanley Sittaway | 10 | Step-son | — | Massachusetts |
| 11 | Charles J. Beardsley | 73 | Head | — | Massachusetts |
| 12 | Ada Beardsley | 61 | Wife | Practical Nurse | Ohio |
| 13 | Ernest Montagna | 31 | Head | Truck Driver | Massachusetts |
| 14 | Eva Montagna | 32 | Wife | — | New York |
| 15 | Ernest Jr. Montagna | 7 | Son | — | Massachusetts |
| 16 | Donald Montagna | 1 | Son | — | Massachusetts |
| 17 | Arthur Hill | 45 | Head | Fireman | Canada-English |
| 18 | Florence Hill | 36 | Wife | — | Massachusetts |
| 19 | Mildred Hill | 17 | Daughter | Filing Clerk | New Hampshire |
| 20 | Elisabeth Hill | 17 | Daughter | Sales Clerk | New Hampshire |
| 21 | Evelyn Hill | 15 | Daughter | — | New Hampshire |
| 22 | Arthur Hill | 12 | Son | — | Massachusetts |
| 23 | Katherine Hill | 11 | Daughter | — | Massachusetts |
| 24 | Pauline Hill | 8 | Daughter | — | Massachusetts |
| 25 | John Hill | 5 | Son | — | Massachusetts |
| 26 | Henry Hill | 74 | Father | — | Vermont |
| 27 | James Dempsey | 47 | Head | — | Massachusetts |
| 28 | Bridget Dempsey | 36 | Wife | — | Irish Free State |
| 29 | Martha Dempsey | 14 | Daughter | — | Massachusetts |
| 30 | James Dempsey THIS PERSON | 12 | Son | — | Massachusetts |
| 31 | John Dempsey | 10 | Son | — | Massachusetts |
| 32 | William Dempsey | 8 | Son | — | Massachusetts |
| 33 | Patricia Dempsey | 7 | Daughter | — | Massachusetts |
| 34 | Elisabeth Dempsey | 6 | Daughter | — | Massachusetts |
| 35 | Edward Dempsey | 4 | Son | — | Massachusetts |
| 36 | Robert Dempsey | 3 | Son | — | Massachusetts |
| 37 | Rena Garlick | 48 | Head | — | Massachusetts |
| 38 | Mildred Garlick | 16 | Daughter | — | Massachusetts |
| 39 | Margaret Garlick | 14 | Daughter | — | Massachusetts |
| 40 | Robert Garlick | 11 | Son | — | Massachusetts |
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)