JQ
Joseph Quinn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Joseph Quinn across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Quinn |
| Given Name | Joseph D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville |
| Est. Birth Year | ~1924 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Rita Quinn | Daughter | — | 23 | ~1917 |
| Daniel Quinn | Son | — | 33 | ~1907 |
| Thomas Quinn | Son | — | 27 | ~1913 |
| Margaret Quinn | Daughter | — | 25 | ~1915 |
| Catherine Quinn | Head | — | 60 | ~1880 |
| Catherine Quinn | Daughter | — | 24 | ~1916 |
| John Quinn | Son | — | 29 | ~1911 |
| Joseph Quinn | Son | — | 16 | ~1924 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 6
Suffolk, Massachusetts · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quinn |
| Given Name | Joseph D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 16
Middlesex-County, Massachusetts · implied b. ~1924 — 8 household members
| Surname | Quinn |
| Given Name | Joseph D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville |
| 1935 Residence (County) | Middlesex |
| Highest Grade | 8 |
| 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 Joseph Quinn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Quinn
Son · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
Thomas Quinn
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Quinn
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Quinn
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Quinn
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Quinn
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Quinn
Sibling · 1940 · age 24
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-t0627-01702-00930)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Angelo J. V. Logiudice | 5 | Son | — | Massachusetts |
| 42 | Leo J. O'Brien | 40 | Head | Clerk | Massachusetts |
| 43 | Mary A. O'Brien | 30 | Wife | — | Massachusetts |
| 44 | Beverly M. O'Brien | 6 | Daughter | — | Massachusetts |
| 45 | Christine F. O'Brien | 1 | Daughter | — | Massachusetts |
| 46 | Ernest Grullage | 63 | Head | Boiler Maker | Newfoundland |
| 47 | Catherine M. Grullage | 59 | Wife | — | Ireland |
| 48 | Donald Grullage | 29 | Son | Counter Man | Massachusetts |
| 49 | Beverly E. Grullage | 16 | Daughter | — | Massachusetts |
| 50 | Henry N. Taylor | 32 | Head | Sprayer | Scotland |
| 51 | Margaret C. Taylor | 30 | Wife | — | Massachusetts |
| 52 | Agnes M. Taylor | 11 | Daughter | — | Massachusetts |
| 53 | Catherine A. Quinn | 60 | Head | — | Southern Ireland |
| 54 | Daniel J. Quinn | 33 | Son | Laborer | Massachusetts |
| 55 | John J. Quinn | 29 | Son | Laborer | Massachusetts |
| 56 | Thomas F. Quinn | 27 | Son | Chemist | Massachusetts |
| 57 | Margaret V. Quinn | 25 | Daughter | Folder | Massachusetts |
| 58 | Catherine A. Quinn | 24 | Daughter | — | Massachusetts |
| 59 | Rita M. E. Quinn | 23 | Daughter | — | Massachusetts |
| 60 | Joseph D. Quinn THIS PERSON | 16 | Son | — | Massachusetts |
| 61 | James G. Beard | 76 | Head | — | Canada |
| 62 | Bridget A. Beard | 66 | Wife | — | Canada |
| 63 | Charles Sullivan | 34 | Son-in-law | Repair Man | Massachusetts |
| 64 | Harriet L. Sullivan | 30 | Daughter | — | Massachusetts |
| 65 | Harriet L. Sullivan | 13 | Daughter | — | Massachusetts |
| 66 | Pauline H. Sullivan | 11 | Daughter | — | Massachusetts |
| 67 | Martha Sullivan | 6 | Daughter | — | Massachusetts |
| 68 | Joseph R. Aguiar | 36 | Head | Barber | Portugal |
| 69 | Mary Aguiar | 34 | Wife | — | Portugal |
| 70 | Marie A. Aguiar | 14 | Daughter | — | Massachusetts |
| 71 | Bertha Aguiar | 9 | Daughter | — | Massachusetts |
| 72 | August Rodrigues | 47 | Father | Monogram Man | Portugal |
| 73 | David E. Burns | 52 | Head | Tally Man | Southern Ireland |
| 74 | Margaret M. Burns | 18 | Daughter | — | Massachusetts |
| 75 | John J. Burns | 23 | Son | — | Massachusetts |
| 76 | Daniel Corcoran | 56 | Boarder | Laborer | Southern Ireland |
| 77 | Michael J. Davis | 52 | Head | Fireman | Southern Ireland |
| 78 | Susan J. Davis | 53 | Wife | — | Southern Ireland |
| 79 | Mary V. Davis | 26 | Daughter | Telephone Operator | Massachusetts |
| 80 | Joseph R. Davis | 25 | 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)