JH
John Hogan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this John Hogan across the 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Hogan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Occupation | Machinist |
| Industry | Clock Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Machinist |
| Township / Ward | Springfield |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| Bernadette Hogan | Daughter | — | 10 | ~1930 |
| Julia Hogan | Daughter | — | 16 | ~1924 |
| Margaret Hogan | Daughter | — | 18 | ~1922 |
| Ann Hogan | Daughter | — | 15 | ~1925 |
| Mary Hogan | Daughter | — | 20 | ~1920 |
| Theresa Hogan | Daughter | — | 13 | ~1927 |
| Martin Hogan | Head | — | 50 | ~1890 |
| John Hogan | Son | — | 21 | ~1919 |
| Joseph Hogan | Son | — | 23 | ~1917 |
| Catherine Hogan | Spouse | — | 52 | ~1888 |
Census Appearances
1930
Hampden, Massachusetts
Son, age 11
Hampden, Massachusetts · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Son, age 21
Hampden-County, Massachusetts · implied b. ~1919 — 10 household members
| Surname | Hogan |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Hampden |
| Occupation | Machinist |
| Industry | Clock Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H 4 |
| 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 John Hogan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hogan
Son · 1940 · age 21 · b. ~1919 · Massachusetts
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Sibling
Joseph Hogan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hogan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Hogan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadette Hogan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Hogan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Hogan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hogan
Sibling · 1940 · age 20
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-t0627-01706-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Falk | 64 | Head | Reverend | Russia |
| 42 | Eva Falk | 58 | Wife | — | Russia |
| 43 | Myer Falk | 35 | Son | Insurance Broker | Russia |
| 44 | Rose Falk | 33 | Daughter | Secretary | Russia |
| 45 | Sophie Falk | 28 | Daughter | Stenographer | Russia |
| 46 | Steve Yiannakopoulos | 57 | Head | Caretaker | Greece |
| 47 | Effie Yiannakopoulos | 51 | Wife | — | Greece |
| 48 | Andrew Yiannakopoulos | 19 | Son | — | Massachusetts |
| 49 | John Yiannakopoulos | 18 | Son | Laborer | Massachusetts |
| 50 | Zoe Yiannakopoulos | 8 | Daughter | — | Massachusetts |
| 51 | Martin J. Hogan | 50 | Head | Fireman | Massachusetts |
| 52 | Catherine Hogan | 52 | Wife | — | Massachusetts |
| 53 | Joseph A. Hogan | 23 | Son | Truck Driver | Massachusetts |
| 54 | John J. Hogan THIS PERSON | 21 | Son | Machinist | Massachusetts |
| 55 | Mary R. Hogan | 20 | Daughter | Stenographer | Massachusetts |
| 56 | Margaret C. Hogan | 18 | Daughter | — | Massachusetts |
| 57 | Julia C. Hogan | 16 | Daughter | — | Massachusetts |
| 58 | Ann P. Hogan | 15 | Daughter | — | Massachusetts |
| 59 | Theresa V. Hogan | 13 | Daughter | — | Massachusetts |
| 60 | Bernadette J. Hogan | 10 | Daughter | — | Massachusetts |
| 61 | Johanna Begley | 72 | Head | — | Irish Free State |
| 62 | Felix Milstein | 70 | Head | Peddler | Russia |
| 63 | Anna Milstein | 58 | Wife | — | Russia |
| 64 | Alice Milstein | 36 | Daughter | — | Massachusetts |
| 65 | Iris Milstein | 24 | Daughter | Sales Lady | Massachusetts |
| 66 | Evelyn Searleman | 27 | Daughter | — | Massachusetts |
| 67 | Abraham Searleman | 31 | Son-in-law | Leather Framer | Russia |
| 68 | John J. Sullivan | 49 | Head | Foreman Laborer | Massachusetts |
| 69 | Stella Sullivan | 48 | Wife | — | Vermont |
| 70 | Isidore Kaplan | 39 | Head | Clerk | Russia |
| 71 | Sadie Kaplan | 33 | Wife | — | Russia |
| 72 | Frances Kaplan | 9 | Daughter | — | Massachusetts |
| 73 | Norman Kaplan | 7 | Son | — | Massachusetts |
| 74 | Harry Gladstone | 30 | Head | Salesman | Poland |
| 75 | Rae Gladstone | 29 | Wife | — | Massachusetts |
| 76 | Ethel Gladstone | 6 | Daughter | — | Massachusetts |
| 77 | Allen Gladstone | 4 | Son | — | Massachusetts |
| 78 | Roger Austin | 39 | Head | Garage Man | Russia |
| 79 | Blama Austin | 32 | Wife | — | Russia |
| 80 | Barbara Austin | 1 | Daughter | — | 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)