MQ
Mary Quigley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Quigley across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1904), then head of a 8-person household.
Age 36
b. ~1904
Female
Head
Born: Massachusetts
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Quigley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1904 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Quigley | Son | — | 5 | ~1935 |
| Patricia Quigley | Daughter | — | 4 | ~1936 |
| Harold Quigley | Son | — | 16 | ~1924 |
| Evelyn Quigley | Daughter | — | 13 | ~1927 |
| George Quigley | Son | — | 10 | ~1930 |
| Mary Quigley | Head | — | 36 | ~1904 |
| Mary Quigley | Daughter | — | 7 | ~1933 |
| Anna Quigley | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Suffolk, Massachusetts
Other, age 26
Suffolk, Massachusetts · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quigley |
| Given Name | Marguerite |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 20 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 36
Suffolk-County, Massachusetts · implied b. ~1904 — 8 household members
| Surname | Quigley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Widowed |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Industry | 0 |
| Highest Grade | H 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 Mary Quigley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Quigley
Head · 1940 · age 36 · b. ~1904 · Massachusetts
★ You are viewing this record
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-t0627-01679-00297)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Walsh | 30 | Son | Laborer | New York |
| 42 | George Walsh | 27 | Son | Packer | New York |
| 43 | Helen Walsh | 25 | Daughter | — | New York |
| 44 | Henry G. Reynolds | 54 | Head | Secretary | New York |
| 45 | Josephine Reynolds | 54 | Wife | — | Maine |
| 46 | John J. Valon | 54 | Head | Attorney | Massachusetts |
| 47 | Charlotte V. Valon | 53 | Wife | — | Massachusetts |
| 48 | William J. Valon | 21 | Son | — | Massachusetts |
| 49 | Jean Munroe | 42 | Head | Stenographer | Massachusetts |
| 50 | Henry Fuller | 39 | Head | Artist | Maine |
| 51 | Olive Fuller | 37 | Wife | — | Massachusetts |
| 52 | Henry J. Fuller | 2 | Son | — | Massachusetts |
| 53 | Barbara Fuller | 15 | Daughter | — | Massachusetts |
| 54 | Susan Fuller | 13 | Daughter | — | Massachusetts |
| 55 | Joseph Hennessey | 35 | Lodger | Helper | Massachusetts |
| 56 | Daniel Shea | 52 | Head | Laborer | Eire |
| 57 | Julia Shea | 56 | Wife | — | Eire |
| 58 | Arnold Little | 55 | Head | Clerk Bldg | Massachusetts |
| 59 | Caroline Little | 74 | Mother | — | Massachusetts |
| 60 | Patrick Concannon | 46 | Head | Laborer Road | Eire |
| 61 | Hannah Concannon | 43 | Wife | — | Eire |
| 62 | John Concannon | 8 | Son | — | Massachusetts |
| 63 | William Concannon | 2 | Son | — | Massachusetts |
| 64 | John G. Cleary | 69 | Head | — | Eire |
| 65 | Ellen Cleary | 69 | Wife | — | Eire |
| 66 | John F. Cleary | 40 | Son | W.P.A. Laborer | Massachusetts |
| 67 | Catherine Lydon | 50 | Sister-in-law | — | Eire |
| 68 | Mary Quigley THIS PERSON | 36 | Head | — | Massachusetts |
| 69 | Harold Quigley | 16 | Son | — | Massachusetts |
| 70 | Evelyn Quigley | 13 | Daughter | — | Massachusetts |
| 71 | Anna Quigley | 13 | Daughter | — | Massachusetts |
| 72 | George Quigley | 10 | Son | — | Massachusetts |
| 73 | Mary Quigley | 7 | Daughter | — | Massachusetts |
| 74 | Patricia Quigley | 4 | Daughter | — | Massachusetts |
| 75 | Charles Quigley | 5 | Son | — | Massachusetts |
| 76 | Thomas F. Pendergast | 56 | Head | Laborer | Eire |
| 77 | Johanna Pendergast | 58 | Wife | — | Eire |
| 78 | Thomas Pendergast | 27 | Son | Laborer | Massachusetts |
| 79 | Ellen Pendergast | 25 | Daughter | Clerk Teller | Massachusetts |
| 80 | Robert Pendergast | 23 | 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)