JH
John Hogan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Hogan across the 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Mary & Martin — first a son (b.~1910), then head of a 12-person household.
Age 20
b. ~1910
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| 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 |
| Additional Details | |
| Occupation | Laborer |
| Industry | Trucking |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Medford City |
| Est. Birth Year | ~1910 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Irene Hogan | Daughter | — | 22 | ~1908 |
| Anna Hogan | Daughter | — | 7 | ~1923 |
| June Hogan | Daughter | — | 15 | ~1915 |
| John Hogan | Head | — | 49 | ~1881 |
| Bridget Hogan | Other | — | 49 | ~1881 |
| Betty Churchill | Other | — | 7 | ~1923 |
| Thomas Hogan | Son | — | 9 | ~1921 |
| William Hogan | Son | — | 8 | ~1922 |
| James Hogan | Son | — | 23 | ~1907 |
| Henry Hogan | Son | — | 14 | ~1916 |
| John Hogan | Son | — | 20 | ~1910 |
| Edward Hogan | Son | — | 22 | ~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 |
1930
Middlesex, Massachusetts
Son, age 20
Middlesex, Massachusetts · implied b. ~1910 — 12 household members
| 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 |
Son, age 32
Middlesex-County, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| 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 Hogan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Hagan (~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 father John Hogan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Hagan
b. ~1869
Source mother
● 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
Father
John Hogan
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hogan
Son · 1930 · age 20 · b. ~1910 · Massachusetts
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Sibling
James Hogan
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hogan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Hogan
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Hogan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Hogan
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Hogan
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hogan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Hogan
Sibling · 1930 · age 7
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel924:0595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J. Hogan | 49 | Head | Laborer | Ireland |
| 2 | Bridget Hogan | 49 | Wife-H | None | Ireland |
| 3 | James E. Hogan | 23 | Son | Laborer | Massachusetts |
| 4 | Irene L. Hogan | 22 | Daughter | Billing Clerk | Massachusetts |
| 5 | Edward Hogan | 22 | Son | Messenger | Massachusetts |
| 6 | John Hogan THIS PERSON | 20 | Son | Laborer | Massachusetts |
| 7 | June Hogan | 15 | Daughter | None | Massachusetts |
| 8 | Henry Hogan | 14 | Son | None | Massachusetts |
| 9 | Thomas Hogan | 9 | Son | None | Massachusetts |
| 10 | William Hogan | 8 | Son | None | Massachusetts |
| 11 | Anna Hogan | 7 | Daughter | None | Massachusetts |
| 12 | Betty Churchill | 7 | Boarder | None | Massachusetts |
| 13 | Broure Swanson | 48 | Head | Commission | at Sea |
| 14 | Frances Swanson | 48 | Wife-H | None | Canada-English |
| 15 | John G. Mather | 45 | Head | Foreman | Scotland |
| 16 | Helen L. Mather | 42 | Wife-H | None | Massachusetts |
| 17 | Wallace Mather | 12 | Son | None | Massachusetts |
| 18 | Bruce D. Mather | 5 | Son | None | Massachusetts |
| 19 | Arthur Seidel | 39 | Head | Plumber | Germany |
| 20 | Emma Seidel | 36 | Wife-H | None | Massachusetts |
| 21 | Marguerite Seidel | 13 | Daughter | None | Massachusetts |
| 22 | Amelia O. Bates | 58 | Boarder | None | Massachusetts |
| 23 | Beatrice Bates | 22 | Boarder | None | Massachusetts |
| 24 | George H. Legra | 46 | Head | Agent | Maine |
| 25 | Bertha Legra | 50 | Wife-H | None | Vermont |
| 26 | Howard A. Corey | 47 | Head | Secretary | Maine |
| 27 | Hazel E. Corey | 40 | Wife-H | None | Maine |
| 28 | Raymond Corey | 20 | Son | None | Maine |
| 29 | Olive E. Corey | 17 | Daughter | None | Maine |
| 30 | Ruth E. Corey | 14 | Daughter | None | Maine |
| 31 | Hazel E. Corey | 12 | Daughter | None | Massachusetts |
| 32 | Olive J. Webb | 72 | Mother-in-law | None | Canada-English |
| 33 | Charles Alexander | 52 | Head | Comm Merchant | Canada-English |
| 34 | Florence Alexander | 49 | Wife-H | None | Canada-English |
| 35 | Arthur Alexander | 22 | Son | Clerk | Massachusetts |
| 36 | Clayton Alexander | 21 | Son | Clerk | Massachusetts |
| 37 | Herbert Alexander | 11 | Son | None | Massachusetts |
| 38 | Archie A. Ashley | 47 | Head | Welfare Ass. | Massachusetts |
| 39 | Daisy B. Ashley | 40 | Wife-H | None | Massachusetts |
| 40 | Ruth I. Ashley | 15 | Daughter | None | Massachusetts |
| 41 | Richard E. Ashley | 13 | Son | None | Massachusetts |
| 42 | Timothy O'Brien | 59 | Head | Cotton Oil | Ireland |
| 43 | Hannah O'Brien | 52 | Wife-H | None | Ireland |
| 44 | Mary A. O'Brien | 29 | Daughter | Stenographer | Massachusetts |
| 45 | Cornelius O'Brien | 23 | Son | None | Massachusetts |
| 46 | Jeremiah O'Brien | 21 | Son | Stock Clerk | Massachusetts |
| 47 | William J. O'Brien | 17 | Son | None | Massachusetts |
| 48 | Nellie Healy | 54 | Sister-in-law | None | Ireland |
| 49 | Charlotte J. Green | 76 | Head | None | Massachusetts |
| 50 | Madeline Green | 33 | Daughter | None | Massachusetts |
Related Census Records
Pedigree Summary
John + 8 siblings
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 1930 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)