WQ
William Quigley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this William Quigley across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 9-person household.
Age 25
b. ~1915
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Quigley |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1915 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Quigley | Spouse | — | 50 | ~1890 |
| Gerard Quigley | Son | — | 22 | ~1918 |
| Vincent Quigley | Son | — | 15 | ~1925 |
| Margaret Flaherty | Other | — | 26 | ~1914 |
| William Quigley | Son | — | 25 | ~1915 |
| Kathleen Quigley | Daughter | — | 14 | ~1926 |
| William Quigley | Head | — | 53 | ~1887 |
| Frances Killilea | Other | — | 47 | ~1893 |
| Paula Quigley | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Suffolk, Massachusetts
Son, age 14
Suffolk, Massachusetts · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quigley |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 25
Suffolk-County, Massachusetts · implied b. ~1915 — 9 household members
| Surname | Quigley |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | C 3 |
| 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 William Quigley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Quigley
Son · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Paula Quigley
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerard Quigley
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Quigley
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Quigley
Sibling · 1940 · age 15
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
33 people indexed on this census page (nara:1940:m-t0627-01659-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick J. Mullen | 62 | Head | Clergyman | Massachusetts |
| 2 | Henry J. Ryan | 58 | Priest | Clergyman | Massachusetts |
| 3 | Francis Mclaughlin | 38 | Priest | Clergyman | Massachusetts |
| 4 | Edward Burley | 36 | Priest | Clergyman | Eire |
| 5 | Ralph Farrell | 45 | Priest | Clergyman | Massachusetts |
| 6 | William J. Flannagan | 30 | Priest | Clergyman | Massachusetts |
| 7 | Catherine Mclaughlin | 49 | Maid | Housemaid | Ireland |
| 8 | Mary Cuddy | 68 | Maid | Housemaid | Massachusetts |
| 9 | Catherine Connell | 61 | Maid | Housemaid | Massachusetts |
| 10 | William J. Quigley | 53 | Head | Medical Doctor | Massachusetts |
| 11 | Margaret G. Quigley | 50 | Wife | — | Massachusetts |
| 12 | William J. Quigley THIS PERSON | 25 | Son | — | Massachusetts |
| 13 | Gerard Quigley | 22 | Son | — | Massachusetts |
| 14 | Vincent Quigley | 15 | Son | — | Massachusetts |
| 15 | Kathleen Quigley | 14 | Daughter | — | Massachusetts |
| 16 | Paula Quigley | 8 | Daughter | — | Massachusetts |
| 17 | Frances Killilea | 47 | Sister | Stenographer | Massachusetts |
| 18 | Margaret Flaherty | 26 | Maid | Maid | Eire |
| 20 | Cornelius Cadogan | 66 | Head | Laborer | Eire |
| 21 | Rose Cadogan | 61 | Wife | — | Eire |
| 22 | Madeline Cadogan | 33 | Daughter | Filing Clerk | Massachusetts |
| 25 | Daniel Kane | 66 | Head | — | Massachusetts |
| 26 | Sara Kane | 68 | Wife | — | Massachusetts |
| 27 | Margaret Kane | 32 | Daughter | School Teacher | Massachusetts |
| 28 | Joseph Kane | 27 | Son | Field Auditor | Massachusetts |
| 29 | Rita A. Kane | 26 | Daughter | Filing Clerk | Massachusetts |
| 30 | Margaret Craddick | 67 | Sister in Law | — | Massachusetts |
| 31 | Mary Burns | 55 | Head | Cook | Eire |
| 32 | Catherine Burns | 26 | Daughter | Operator | Massachusetts |
| 33 | Michael Burns | 24 | Son | Laborer | Massachusetts |
| 34 | Helen Burns | 23 | Daughter | — | Massachusetts |
| 35 | Charles Sullivan | 37 | Head | Ass. Corporation Counsel | Massachusetts |
| 36 | Madeline Sullivan | 32 | Wife | — | 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)