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John Conroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Conroy across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Delivery Boy |
| Industry | Western Union |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 700 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Delivery Boy |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1922 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Marie Conroy | Daughter | — | 17 | ~1923 |
| Elizabeth Conroy | Daughter | — | 23 | ~1917 |
| Catherine Conroy | Head | — | 57 | ~1883 |
| John Conroy | Son | — | 18 | ~1922 |
| Helen Conroy | Daughter | — | 15 | ~1925 |
| Francis Conroy | Son | — | 20 | ~1920 |
| Joseph Conroy | Son | — | 38 | ~1902 |
| Margretta Conroy | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 7
Philadelphia, Pennsylvania · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 8 household members
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Delivery Boy |
| Industry | Western Union |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 700 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Conroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conroy
Son · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Francis Conroy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Conroy
Sibling · 1940 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Conroy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Conroy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margretta Conroy
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Conroy
Sibling · 1940 · age 17
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03716-00747)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bruce Lyons | 42 | Head | Janitor | North Carolina |
| 2 | Martha Lyons | 45 | Wife | — | North Carolina |
| 3 | Catherine King | 24 | Lodger | Kitchen Help | North Carolina |
| 4 | John Lyons | 35 | Brother | Laborer | North Carolina |
| 5 | Catherine Conroy | 57 | Head | Pantry Help | Ireland |
| 6 | Joseph Conroy | 38 | Son | Welder | Pennsylvania |
| 7 | Elizabeth Conroy | 23 | Daughter | Stenographer | Pennsylvania |
| 8 | Margretta Conroy | 22 | Daughter | Stitcher | Pennsylvania |
| 9 | Francis Conroy | 20 | Son | Laborer | Pennsylvania |
| 10 | John Conroy THIS PERSON | 18 | Son | Delivery Boy | Pennsylvania |
| 11 | Marie Conroy | 17 | Daughter | — | Pennsylvania |
| 12 | Helen Conroy | 15 | Daughter | — | Pennsylvania |
| 13 | George Ralph | 42 | Head | Chauffeur | Virginia |
| 14 | Althea Ralph | 34 | Wife | — | Florida |
| 15 | Louis Smith | 57 | Head | Cement Fin | Alabama |
| 16 | Mozelle Smith | 48 | Wife | — | Georgia |
| 17 | Earl Smith | 18 | Son | Laborer | Florida |
| 18 | Ernest Williams | 30 | Head | Laborer | Georgia |
| 19 | Evelyn Williams | 28 | Wife | — | Maryland |
| 20 | Sophie Williams | 5 | Daughter | — | Pennsylvania |
| 21 | Magen Williams | 2 | Son | — | Pennsylvania |
| 22 | Orvitt Williams | 0 | Son | — | Pennsylvania |
| 23 | Jesse Caution | 48 | Head | Plasterer | Maryland |
| 24 | Gertrude Caution | 42 | Wife | — | Virginia |
| 25 | Thomas Williams | 33 | Head | Watchman | West Virginia |
| 26 | Jennie Shellon | 58 | Lodger | — | Virginia |
| 27 | Meyer Light | 66 | Head | Helper | Russia |
| 28 | Anna Light | 65 | Wife | — | Russia |
| 29 | Lena Light | 34 | Daughter | — | Pennsylvania |
| 30 | Bernard Light | 30 | Son | Driver | Pennsylvania |
| 31 | Jacob Light | 27 | Daughter | Junk Man | Pennsylvania |
| 32 | Mollie Light | 21 | Daughter | Clerk | Pennsylvania |
| 33 | Sarah Layman | 38 | Daughter | — | Pennsylvania |
| 34 | Morris Layman | 16 | Grandson | 0 | Pennsylvania |
| 35 | Rose Layman | 5 | Grand-D | — | Pennsylvania |
| 36 | Alice Layman | 3 | Grand-D | — | Pennsylvania |
| 37 | Henry Butler | 59 | Head | Coal Dealer | Maryland |
| 38 | Sophie Butler | 62 | Wife | — | Virginia |
| 39 | Thomas Reed | 60 | Lodger | Laborer | Virginia |
| 40 | William Drew | 25 | Lodger | — | Virginia |
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)