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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.~1909), then head of a 8-person household.
Age 31
b. ~1909
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 | 31 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | toolmaker |
| Industry | factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Toolmaker |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| John Conroy | Son | — | 31 | ~1909 |
| Charles Conroy | Son | — | 22 | ~1918 |
| Mary Conroy | Spouse | — | 58 | ~1882 |
| James Conroy | Son | — | 27 | ~1913 |
| Margaret Conroy | Daughter | — | 26 | ~1914 |
| Charles Conroy | Head | — | 59 | ~1881 |
| Helen Conroy | Daughter | — | 32 | ~1908 |
| Rita Conroy | Daughter | — | 29 | ~1911 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 21
Philadelphia, Pennsylvania · implied b. ~1909 — 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 | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Tool Maker |
| Industry | Iron |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 31
Philadelphia-County, Pennsylvania · implied b. ~1909 — 8 household members
| Surname | Conroy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | toolmaker |
| Industry | factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1200 |
| 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 31 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
James Conroy
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Conroy
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Conroy
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Conroy
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Conroy
Sibling · 1940 · age 29
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-t0627-03732-01057)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Blake | 40 | daughter | Housekeeper | Maryland |
| 2 | Clarence D. Harris | 45 | head | Chauffeur | Virginia |
| 3 | Beatrice Harris | 40 | wife | Cook | Virginia |
| 4 | Theodore Caveness | 37 | head | Laborer | N. Carolina |
| 5 | Virginia Caveness | 34 | wife | Maid | Maryland |
| 6 | Alfred Shelton | 44 | head | Proprietor | Georgia |
| 7 | Lola Shelton | 41 | wife | — | Virginia |
| 8 | Martha D. Boyd | 48 | head | Housekeeper | Virginia |
| 9 | Anna Lee Boyd | 17 | daughter | — | Pennsylvania |
| 10 | Eleanor Boyd | 23 | daughter | — | Pennsylvania |
| 11 | Charles Boyd | 24 | son | Laborer | Pennsylvania |
| 12 | Richard Boyd | 9 | son | — | Pennsylvania |
| 13 | Nancy Basswell | 70 | mother | — | Virginia |
| 14 | George Hobbs | 45 | lodger | Cutter | Virginia |
| 15 | Charles Conroy | 59 | head | Electrical Engineer | Pennsylvania |
| 16 | Mary Conroy | 58 | wife | — | Pennsylvania |
| 17 | Helen Conroy | 32 | daughter | Beautician | Pennsylvania |
| 18 | John Conroy THIS PERSON | 31 | son | Toolmaker | Pennsylvania |
| 19 | Rita Marie Conroy | 29 | daughter | New Worker | Pennsylvania |
| 20 | James Conroy | 27 | son | Truck Driver | Pennsylvania |
| 21 | Margaret Conroy | 26 | daughter | File Clerk | Pennsylvania |
| 22 | Charles Conroy | 22 | son | New Worker | Pennsylvania |
| 23 | David Head Merselbreck | 36 | head | Porter | Georgia |
| 24 | Marie Merselbreck | 35 | wife | — | Georgia |
| 25 | David Merselbreck | 14 | son | — | Pennsylvania |
| 26 | William Merselbreck | 11 | son | — | Pennsylvania |
| 27 | Walter Belton | 20 | lodger | Salesman | Florida |
| 28 | Robert Smith | 40 | head | Mechanic | Maryland |
| 29 | Beatrice Smith | 35 | wife | — | Virginia |
| 30 | Martha Falsche | 30 | lodger | — | Virginia |
| 31 | Jamie Clyde | 66 | head | — | Pennsylvania |
| 32 | Mary Corbett | 48 | lodger | Housekeeper | Virginia |
| 33 | Thomas Clyde | 46 | brother | — | Scotland |
| 34 | Harvey Cherry | 32 | head | Butcher | Virginia |
| 35 | Lottie Cherry | 31 | wife | — | Pennsylvania |
| 36 | Charlotte Cherry | 8 | daughter | — | Pennsylvania |
| 37 | Evelyn Cherry | 6 | daughter | — | Pennsylvania |
| 38 | Caroline Cherry | 4 | daughter | — | Pennsylvania |
| 39 | Ernest Yarazzi | 55 | head | Truck Driver | Florida |
| 40 | Lida Yarazzi | 55 | wife | — | 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)