MQ
Mary Quigley — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Quigley across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 10-person household.
Age 50
b. ~1880
Female
Head
Born: Illinois
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Quigley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | North Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | 45.00 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1880 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Quigley | Daughter | — | 11 | ~1919 |
| William Quigley | Son | — | 24 | ~1906 |
| Edward Beaton | Other | — | 58 | ~1872 |
| Frank Quigley | Son | — | 13 | ~1917 |
| Loretta Quigley | Daughter | — | 20 | ~1910 |
| Mary Quigley | Head | — | 50 | ~1880 |
| Edward Quigley | Son | — | 8 | ~1922 |
| James Quigley | Son | — | 16 | ~1914 |
| Thomas Quigley | Son | — | 22 | ~1908 |
| Theresa Quigley | Daughter | — | 17 | ~1913 |
Census Appearances
1930
Cook, Illinois
Head, age 50
Cook, Illinois · implied b. ~1880 — 10 household members
| Surname | Quigley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | North Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | 45.00 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Other, age 60
Cook-County, Illinois · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quigley |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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.
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This person
Anchor record
Mary Quigley
Head · 1930 · age 50 · b. ~1880 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel462:0280)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Flynn | 20 | Head | Cashier | Iowa |
| 2 | Stella Flynn | 20 | Wife | — | Illinois |
| 3 | James Jr Flynn | 0 | Son | — | Illinois |
| 4 | Dennis Callahan | 33 | Head | Laborer | Free State Ireland |
| 5 | Mary Callahan | 26 | Wife | — | Free State Ireland |
| 6 | Eileen M Callahan | 1 | Daughter | — | Illinois |
| 7 | Patrick Sherman | 60 | Head | — | Free State Ireland |
| 8 | Margaret Sherman | 47 | Wife | — | Free State Ireland |
| 9 | Mary Sherman | 21 | Daughter | — | Illinois |
| 10 | Fred W Wentworth | 55 | Head | Watchman | Illinois |
| 11 | Nellie Wentworth | 52 | Wife | — | Illinois |
| 12 | Catherine Hennessey | 42 | Sister-in-law | Embroiderer | Illinois |
| 13 | George Ehlert | 47 | Head | Clothing Cutter | Missouri |
| 14 | Rose Ehlert | 45 | Wife | — | Illinois |
| 15 | George Jr Ehlert | 18 | Son | — | Illinois |
| 16 | James H Collins | 52 | Head | Paper-Man | Illinois |
| 17 | Lulu Collins | 55 | Wife | — | Illinois |
| 18 | James Jr Collins | 18 | Son | Accountant Clerk | Illinois |
| 19 | Samuel Morton | 33 | Head | — | Sweden |
| 20 | Margaret Morton | 3 | Daughter | Stenographer | Illinois |
| 21 | Peter G Weber | 53 | Head | Machinist | Illinois |
| 22 | Mary Weber | 50 | Wife | — | Illinois |
| 23 | Peter Jr Weber | 20 | Son | — | Illinois |
| 24 | George Weber | 18 | Son | — | Illinois |
| 25 | Margaret Weber | 15 | Daughter | — | Illinois |
| 26 | Mary Quigley THIS PERSON | 50 | Head | — | Illinois |
| 27 | William Quigley | 24 | Son | Margin Clerk | Illinois |
| 28 | Thomas Quigley | 22 | Son | Office Boy | South Carolina |
| 29 | Loretta Quigley | 20 | Daughter | File Clerk | Illinois |
| 30 | Theresa Quigley | 17 | Daughter | Typist | Illinois |
| 31 | James Quigley | 16 | Son | Messenger | Illinois |
| 32 | Frank Quigley | 13 | Son | — | Illinois |
| 33 | Dorothy Quigley | 11 | Daughter | — | Illinois |
| 34 | Edward Quigley | 8 | Son | — | Illinois |
| 35 | Edward Beaton | 58 | Boarder | Agent | Illinois |
| 36 | Theresa Fischer | 58 | Head | — | Bohemia |
| 37 | Dorothy Newman | 15 | Granddaughter | — | Illinois |
| 38 | Claude Berthovich | 41 | Lodger | Tailoress | Poland |
| 39 | Thomas Daley | 55 | Head | Repairman | Free State Ireland |
| 40 | Anne Daley | 45 | Wife | — | Free State Ireland |
| 41 | Thomas Jr Daley | 19 | Son | Stock Clerk | Illinois |
| 42 | Helen M Daley | 18 | Daughter | Proof Reader | Illinois |
| 43 | James Daley | 13 | Son | — | Illinois |
| 44 | William Whited | 50 | Head | Engineer | Indiana |
| 45 | Catherine Whited | 50 | Wife | — | Illinois |
| 46 | Loretta Whited | 21 | Daughter | Office Clerk | Indiana |
| 47 | Margaret Whited | 19 | Daughter | Machinist | Indiana |
| 48 | William Jr Whited | 18 | Son | Clerk | Indiana |
| 49 | Kathleen Whited | 14 | Daughter | — | Indiana |
| 50 | Mary Alice Whited | 11 | Daughter | — | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)