JT
John Tierney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hampden-County, Massachusetts
Our Model Tree links this John Tierney across the 1930 and 1940 US Censuses in Hampden-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hampden-County, Massachusetts |
| Surname | Tierney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Longmeadow |
| 1935 Residence (County) | Hampden |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Springfield |
| Est. Birth Year | ~1925 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Tierney | Son | — | 15 | ~1925 |
| Richard Tierney | Son | — | 19 | ~1921 |
| Maurice Tierney | Son | — | 19 | ~1921 |
| Edith Tierney | Spouse | — | 41 | ~1899 |
| Vivian Tierney | Daughter | — | 13 | ~1927 |
| Susan Tierney | Son | — | 23 | ~1917 |
| Lawrence Tierney | Head | — | 42 | ~1898 |
Census Appearances
1930
Hampden, Massachusetts
Son, age 5
Hampden, Massachusetts · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tierney |
| Given Name | John J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Hampden-County, Massachusetts
Son, age 15
Hampden-County, Massachusetts · implied b. ~1925 — 7 household members
| Surname | Tierney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Longmeadow |
| 1935 Residence (County) | Hampden |
| Highest Grade | Hs 1 |
| 1935 Residence | Massachusetts |
| 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 Tierney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Tierney
Son · 1940 · age 15 · b. ~1925 · Massachusetts
★ You are viewing this record
Sibling
Maurice Tierney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vivian Tierney
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Tierney
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susan Tierney
Sibling · 1940 · age 23
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-t0627-01710-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Isidor Mantovani | 66 | Head | — | Italy |
| 42 | Emma Mantovani | 64 | Wife | — | Italy |
| 43 | Loretta Mantovani | 30 | Daughter | — | Italy |
| 44 | Albert Bellorini | 29 | Head | Welder | Massachusetts |
| 45 | Alice Bellorini | 25 | Wife | — | Massachusetts |
| 46 | Albert Jr. Bellorini | 5 | Son | — | Massachusetts |
| 47 | Jean Bellorini | 4 | Daughter | — | Massachusetts |
| 48 | Ella E. Ward | 48 | Head | — | Massachusetts |
| 49 | Nora E. Mulready | 73 | Mother | — | Massachusetts |
| 50 | Fannie Epatier | 59 | Head | — | Austria |
| 51 | Sarah Epatier | 38 | Daughter | — | New Jersey |
| 52 | Julia Epatier | 18 | Daughter | — | New Jersey |
| 53 | Lena Epatier | 14 | Sister | — | New Jersey |
| 54 | Ross N. Teaslor | 41 | Head | Clerk-Sup. | Massachusetts |
| 55 | Olive G. Teaslor | 36 | Wife | — | Massachusetts |
| 56 | Odell Lizotte | 72 | Head | — | Massachusetts |
| 57 | Fannie Radician | 73 | Head | — | Lithuania |
| 58 | William H. Radician | 31 | Son | Clerk | Massachusetts |
| 59 | Charles W. Raymond | 23 | Head | Reeler | Massachusetts |
| 60 | Dorothy M. Raymond | 19 | Wife | — | Massachusetts |
| 61 | Joyce Ann Raymond | 0 | Daughter | — | Massachusetts |
| 62 | Paul Mungent | 47 | Head | Locomotive Fireman | Massachusetts |
| 63 | Ruth Mungent | 46 | Wife | — | Massachusetts |
| 64 | Ivan Mungent | 13 | Son | — | Massachusetts |
| 65 | Ernest Demetropoulos | 55 | Head | — | Greece |
| 66 | Angeline Demetropoulos | 48 | Wife | — | Greece |
| 67 | Sophia Demetropoulos | 25 | Daughter | Office Manager | Massachusetts |
| 68 | Andrew Demetropoulos | 23 | Son | Bakery Helper | Massachusetts |
| 69 | Constance Demetropoulos | 22 | Daughter | Saleswoman | Massachusetts |
| 70 | George Demetropoulos | 58 | Uncle | Janitor | Greece |
| 71 | Lawrence Tierney | 42 | Head | Laborer | Rhode Island |
| 72 | Edith Tierney | 41 | Wife | House Keeper | England |
| 73 | Susan Tierney | 23 | Son | Checker | Massachusetts |
| 74 | Richard Tierney | 19 | Son | Laborer | Massachusetts |
| 75 | Maurice Tierney | 19 | Son | Cook | Massachusetts |
| 76 | John Tierney THIS PERSON | 15 | Son | — | Massachusetts |
| 77 | Vivian Tierney | 13 | Daughter | — | Massachusetts |
| 78 | George Chresaer | 53 | Head | Tailor | France |
| 79 | Caroline Chresaer | 61 | Wife | Seamstress | France |
| 80 | Antonio La Police | 40 | Head | Painter | Canada French |
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)