JH
John Hagan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Hagan across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Martin — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Hagan |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 158 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Woburn City |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Martin Hagan | Son | — | 42 | ~1898 |
| Martin Hagan | Head | — | 70 | ~1870 |
| Mary Hagan | Spouse | — | 71 | ~1869 |
| John Hagan | Son | — | 32 | ~1908 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
Son, age 20
Middlesex, Massachusetts · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Trucking |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 32
Middlesex-County, Massachusetts · implied b. ~1908 — 4 household members
| Surname | Hagan |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 158 |
| Highest Grade | H-2 |
| 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 Hagan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hogan (~0.92 confidence) and father Martin Hagan (~0.92 confidence) and father Thomas Hogan (~0.92 confidence) and mother Catherine Hogan (~0.92 confidence) and mother Mary Hagan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hogan
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Martin Hagan
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Thomas Hogan
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Catherine Hogan
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Hagan
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hagan
Son · 1940 · age 32 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Martin Hagan
Sibling · 1940 · age 42
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01622-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W. Gibson | 66 | Father | Watchman | Massachusetts |
| 2 | Leon F. Andrews | 34 | Head | Watchman | Massachusetts |
| 3 | Dorothy E. Andrews | 25 | Wife | — | Massachusetts |
| 4 | Leon F. Jr. Andrews | 7 | Son | — | Massachusetts |
| 5 | Martha E. Andrews | 5 | Daughter | — | Massachusetts |
| 6 | Robert O. Andrews | 3 | Son | — | Massachusetts |
| 7 | Pauline Andrews | 1 | Daughter | — | Massachusetts |
| 8 | Mariano Fucriale | 46 | Head | Laborer | Italy |
| 9 | Mary Fucriale | 43 | Wife | — | Italy |
| 10 | Thomas Fucriale | 22 | Son | Laborer | Massachusetts |
| 11 | Rose Fucriale | 19 | Daughter | Clerk | Massachusetts |
| 12 | Josephine Fucriale | 16 | Daughter | — | Massachusetts |
| 13 | Joseph Fucriale | 14 | Son | — | Massachusetts |
| 14 | Richard Fucriale | 10 | Son | — | Massachusetts |
| 15 | Jenny Bayer | 67 | Head | Domestic | Canada-English |
| 16 | Harold O. Harris | 46 | Head | — | New Hampshire |
| 17 | Delia J. Harris | 45 | Wife | — | Massachusetts |
| 18 | George Harris | 20 | Son | Clerk | Massachusetts |
| 19 | Marjorie Harris | 19 | Daughter | — | Massachusetts |
| 20 | Harold L. Harris | 12 | Son | — | Massachusetts |
| 21 | Donald C. Harris | 9 | Son | — | Massachusetts |
| 22 | William H. Stanley | 75 | Head | — | District of Columbia |
| 23 | Margaret Stanley | 73 | Sister | — | District of Columbia |
| 24 | Edward Doherty | 62 | Head | — | District of Columbia |
| 25 | Anne E. Doherty | 62 | Wife | — | District of Columbia |
| 26 | Martin H. Hagan | 70 | Head | — | District of Columbia |
| 27 | Mary Hagan | 71 | Wife | — | District of Columbia |
| 28 | Martin L. Hagan | 42 | Son | Finisher | Massachusetts |
| 29 | John H. Hagan THIS PERSON | 32 | Son | Laborer | Massachusetts |
| 30 | Delia Mcgowan | 70 | Head | — | Massachusetts |
| 31 | Mary Mcgowan | 48 | Daughter | Secretary | Massachusetts |
| 32 | Rose Mcgowan | 46 | Daughter | Stenographer | Massachusetts |
| 33 | Annastasia Mclourin | 42 | Daughter | Clerk | Massachusetts |
| 34 | Ruth Mclourin | 17 | Daughter | — | Massachusetts |
| 35 | Evangelos Dirmandis | 49 | Head | Laborer | Greece |
| 36 | Kadena Dirmandis | 50 | Wife | — | Greece |
| 37 | Pantelas Dimitrios | 58 | Lodger | Proprietor | Greece |
| 38 | John H. Gianapoulos | 53 | Lodger | — | Greece |
| 39 | Arthur Costine | 38 | Head | Laborer | Massachusetts |
| 40 | Ruth Costine | 25 | Wife | — | Massachusetts |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)