JH
John Hickey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this John Hickey across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Hickey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| Helen Hickey | Daughter | — | 17 | ~1923 |
| Marjorie Hickey | Daughter | — | 15 | ~1925 |
| Mary Hickey | Daughter | — | 21 | ~1919 |
| Ruth Hickey | Daughter | — | 11 | ~1929 |
| Anne Hickey | Daughter | — | 8 | ~1932 |
| Arthur Hickey | Son | — | 4 | ~1936 |
| Paul Hickey | Son | — | 5 | ~1935 |
| Vincent Hickey | Son | — | 19 | ~1921 |
| John Hickey | Son | — | 13 | ~1927 |
| Helen Hickey | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 2
Suffolk, Massachusetts · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 13
Suffolk-County, Massachusetts · implied b. ~1927 — 10 household members
| Surname | Hickey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Highest Grade | 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 John Hickey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hickey
Son · 1940 · age 13 · b. ~1927 · Massachusetts
★ You are viewing this record
Sibling
Arthur Hickey
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Hickey
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Hickey
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Hickey
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hickey
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hickey
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Hickey
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Hickey
Sibling · 1940 · age 8
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-t0627-01671-00426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Hickey | 43 | Wife | — | Massachusetts |
| 2 | Mary Hickey | 21 | Daughter | Stock Girl | Massachusetts |
| 3 | Vincent Hickey | 19 | Son | Laundry Boy | Massachusetts |
| 4 | Helen Hickey | 17 | Daughter | New Worker | Massachusetts |
| 5 | Marjorie Hickey | 15 | Daughter | — | Massachusetts |
| 6 | John Hickey THIS PERSON | 13 | Son | — | Massachusetts |
| 7 | Ruth Hickey | 11 | Daughter | — | Massachusetts |
| 8 | Anne Hickey | 8 | Daughter | — | Massachusetts |
| 9 | Paul Hickey | 5 | Son | — | Massachusetts |
| 10 | Arthur Hickey | 4 | Son | — | Massachusetts |
| 11 | Robert Mc Lellan | 40 | Head | Bus Driver | Canada Eng |
| 12 | Marion Mc Lellan | 42 | Wife | — | Canada Eng |
| 13 | Donald Mc Lellan | 16 | Son | — | Massachusetts |
| 14 | Kenneth Mc Lellan | 14 | Son | — | Massachusetts |
| 15 | Malcolm Mc Lellan | 13 | Son | — | Massachusetts |
| 16 | Marion Mc Lellan | 11 | Daughter | — | Massachusetts |
| 17 | Thomas Crocker | 64 | Head | Mechanic | Canada Eng |
| 18 | Margaret Crocker | 70 | Wife | — | Canada Eng |
| 19 | Helena Crocker | 33 | Daughter | Nurse | Massachusetts |
| 20 | John Cozulli | 56 | Head | Laborer | Italy |
| 21 | Lucia Cozulli | 47 | Wife | — | Italy |
| 22 | John Jr. Cozulli | 23 | Son | Asst. Supt. | Massachusetts |
| 23 | Lucille Cozulli | 21 | Daughter | Hair Dresser | Massachusetts |
| 24 | Marie Cozulli | 20 | Daughter | Dancer | Italy |
| 25 | Edna Cozulli | 17 | Daughter | New Worker | Massachusetts |
| 26 | Lawrence Cozulli | 14 | Son | — | Massachusetts |
| 27 | Edith Cozulli | 12 | Daughter | — | Massachusetts |
| 28 | Norma Cozulli | 5 | Daughter | — | Massachusetts |
| 29 | Patrick Frayne | 70 | Head | — | Ireland |
| 30 | Annie Frayne | 73 | Wife | — | Ireland |
| 31 | John T. Frayne | 40 | Son | Clerk | Massachusetts |
| 32 | Thomas Frayne | 29 | Son | Accountant | Massachusetts |
| 33 | Mary F. Frayne | 36 | Daughter | Waitress | Massachusetts |
| 34 | Elizabeth Frayne | 33 | Daughter | Stenographer | Massachusetts |
| 35 | John F. O'Brien | 29 | Head | Chauffeur | Massachusetts |
| 36 | Katherine O'Brien | 70 | Mother | — | Ireland |
| 37 | William Maloney | 47 | Head | Bank Examiner | Massachusetts |
| 38 | Rose Maloney | 46 | Wife | — | Massachusetts |
| 39 | Rose Marie Maloney | 19 | Daughter | — | Massachusetts |
| 40 | John Maloney | 12 | Son | — | Massachusetts |
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)