JM
John Mchugh — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Mchugh across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | McHugh |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Mchugh | Daughter | — | 14 | ~1926 |
| Margaret Mchugh | Daughter | — | 13 | ~1927 |
| Martin Mchugh | Head | — | 50 | ~1890 |
| Thomas Mchugh | Son | — | 2 | ~1938 |
| Agnes Mchugh | Spouse | — | 42 | ~1898 |
| Michael Mchugh | Son | — | 17 | ~1923 |
| Julia Mchugh | Daughter | — | 11 | ~1929 |
| John Mchugh | Son | — | 19 | ~1921 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 8
Suffolk, Massachusetts · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McHugh |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 19
Suffolk-County, Massachusetts · implied b. ~1921 — 8 household members
| Surname | McHugh |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston city |
| 1935 Residence (County) | Suffolk |
| Class of Worker | 0 |
| Highest Grade | Hs 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 Mchugh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mchugh
Son · 1940 · age 19 · b. ~1921 · Massachusetts
★ You are viewing this record
Sibling
Mary Mchugh
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Mchugh
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mchugh
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mchugh
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Mchugh
Sibling · 1940 · age 17
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01681-00692)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin Mchugh | 50 | Head | Plasterer | Northern Ireland |
| 2 | Agnes Mchugh | 42 | Wife | — | Irish Free State |
| 3 | John J. Mchugh THIS PERSON | 19 | Son | — | Massachusetts |
| 4 | Michael F. Mchugh | 17 | Son | — | Massachusetts |
| 5 | Mary A. Mchugh | 14 | Daughter | — | Massachusetts |
| 6 | Margaret T. Mchugh | 13 | Daughter | — | Massachusetts |
| 7 | Julia A. Mchugh | 11 | Daughter | — | Massachusetts |
| 8 | Thomas B. Mchugh | 2 | Son | — | Massachusetts |
| 9 | E. Mark Sullivan | 61 | Head | Lawyer | Massachusetts |
| 10 | Katharine Sullivan | 55 | Wife | — | New York |
| 11 | Marcus Sullivan | 25 | Son | Salesman | Massachusetts |
| 12 | Sheila Sullivan | 20 | Daughter | — | Massachusetts |
| 13 | Brian Sullivan | 19 | Son | — | Massachusetts |
| 14 | Maureen Sullivan | 17 | Daughter | — | Massachusetts |
| 15 | Kevin Sullivan | 16 | Son | — | Massachusetts |
| 16 | Joseph C. Culgin | 47 | Head | Proprietor | Massachusetts |
| 17 | Agnes Culgin | 47 | Wife | — | Massachusetts |
| 18 | Natalie Culgin | 19 | Daughter | — | Massachusetts |
| 19 | Ruth Culgin | 17 | Daughter | — | Massachusetts |
| 20 | Donald Culgin | 15 | Son | — | Massachusetts |
| 21 | Robert Culgin | 12 | Son | — | Massachusetts |
| 22 | Philip Culgin | 10 | Son | — | Massachusetts |
| 23 | Joseph C. Logan | 51 | Head | Caretaker | Northern Ireland |
| 24 | Mary Logan | 52 | Wife | — | Northern Ireland |
| 25 | Mary Logan | 23 | Daughter | Assistant | Northern Ireland |
| 26 | Alice Logan | 20 | Daughter | Manager | Northern Ireland |
| 27 | Josephine Logan | 17 | Daughter | Worker | Northern Ireland |
| 28 | Margaret Logan | 16 | Daughter | Stenographer | Northern Ireland |
| 29 | Lyman Otis Hansen | 70 | Head | Architect | Massachusetts |
| 30 | Katharine S. Hansen | 52 | Wife | — | Massachusetts |
| 31 | Lyman Otis Jr. Hansen | 25 | Son | Medical Doctor | Massachusetts |
| 32 | John Th. Bernard | 63 | Head | Evangelist | At sea |
| 33 | Edith B. Bernard | 53 | Wife | — | England |
| 34 | Wallace J. Bernard | 22 | Son | Radio Tube Maker | England |
| 35 | Douglas Bernard | 20 | Son | — | England |
| 36 | Howard Amoros | 33 | Head | Salesman | Massachusetts |
| 37 | Edith Th. Amoros | 32 | Wife | — | Massachusetts |
| 38 | Allison C. Amoros | 12 | Daughter | — | Massachusetts |
| 39 | Alfred Amoros | 2 | Son | — | Massachusetts |
| 40 | Arthur Spalding | 68 | Lodger | — | Maine |
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)