JQ
John Quigley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this John Quigley across the 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Quigley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 14 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 14 |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Quigley | Head | — | 49 | ~1891 |
| Rosella Quigley | Daughter | — | 5 | ~1935 |
| John Quigley | Son | — | 16 | ~1924 |
| Margaret Quigley | Daughter | — | 6 | ~1934 |
| Frances Quigley | Daughter | — | 2 | ~1938 |
| Mary Quigley | Daughter | — | 15 | ~1925 |
| Louise Quigley | Daughter | — | 4 | ~1936 |
| Genevieve Quigley | Daughter | — | 10 | ~1930 |
| Daldes Quigley | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Baltimore, Maryland
Son, age 4
Baltimore, Maryland · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quigley |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Son, age 16
Baltimore-County, Maryland · implied b. ~1924 — 9 household members
| Surname | Quigley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 14 |
| 1935 Residence (County) | Baltimore |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Quigley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Quigley
Son · 1940 · age 16 · b. ~1924 · Maryland
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Sibling
Daldes Quigley
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Quigley
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Quigley
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Quigley
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Quigley
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosella Quigley
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Quigley
Sibling · 1940 · age 4
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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01505-00787)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Plummer | 3 | Daughter | — | Maryland |
| 42 | Louise Plummer | 56 | Head | Saleslady | Maryland |
| 43 | Clara Plummer | 54 | Sister | House Keeper | Maryland |
| 44 | Margaret Plummer | 18 | Neice | Bookkeeper | Maryland |
| 45 | John Quigley | 49 | Head | Carpenter | Maryland |
| 46 | John Quigley THIS PERSON | 16 | Son | — | Maryland |
| 47 | Mary Quigley | 15 | Daughter | — | Maryland |
| 48 | Daldes Quigley | 12 | Daughter | — | Maryland |
| 49 | Genevieve Quigley | 10 | Daughter | — | Maryland |
| 50 | Margaret Quigley | 6 | Daughter | — | Maryland |
| 51 | Rosella Quigley | 5 | Daughter | — | Maryland |
| 52 | Louise Quigley | 4 | Daughter | — | Maryland |
| 53 | Frances Quigley | 2 | Daughter | — | Maryland |
| 54 | Elizabeth Waldmann | 62 | Head | — | Germany |
| 55 | Anthony Waldmann | 35 | Son | Block Maker | Maryland |
| 56 | August Waldmann | 28 | Son | Installer | Maryland |
| 57 | Carl Waldmann | 4 | Grandson | — | Maryland |
| 58 | Joseph M Necker | 74 | Head | — | Washington D.C. |
| 59 | Albert Necker | 33 | Son | Plant Cutter | Maryland |
| 60 | Mary Sacks | 43 | Head | — | Maryland |
| 61 | Joseph J Sacks | 14 | Son | — | Maryland |
| 62 | Dorothy Sacks | 6 | Daughter | — | Maryland |
| 63 | George Mohr | 32 | Head | Truck Driver | Maryland |
| 64 | Eleanor Mohr | 25 | Wife | — | Maryland |
| 65 | Helen Mohr | 1 | Daughter | — | Maryland |
| 66 | Katherine Kneit | 83 | Head | — | Germany |
| 67 | Neoma Wiering | 35 | Wife | Waitress | Maryland |
| 68 | Charles J Wiering | 38 | Head | Janitor | Maryland |
| 69 | John Jr. Vanik | 50 | Head | Butcher | Maryland |
| 70 | Clara Vanik | 46 | Wife | — | Maryland |
| 71 | John S Vanik | 26 | Son | Butcher | Maryland |
| 72 | Gerald Vanik | 23 | Son | Butcher | Maryland |
| 73 | Frances Vanik | 20 | Daughter | Machine Hand | Maryland |
| 74 | Rosa Vanik | 18 | Daughter | — | Maryland |
| 75 | James Vanik | 15 | Son | — | Maryland |
| 76 | Jerome Vanik | 12 | Son | — | Maryland |
| 77 | Marie Vanik | 52 | Head | — | Czechoslovakia |
| 78 | Nattie Vanik | 25 | Daughter | — | Maryland |
| 79 | Frank Vanik | 18 | Son | Machinist | Maryland |
| 80 | Florence Vanik | 11 | Daughter | — | Maryland |
Related Census Records
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)