JM
John Maguire — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Maguire across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Patrick — first a son (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Maguire |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Machine Opr |
| Industry | Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 850 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Machine Opr |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Maguire | Daughter | — | 25 | ~1915 |
| Catherine Maguire | Daughter | — | 33 | ~1907 |
| John Maguire | Son | — | 24 | ~1916 |
| John Maguire | Head | — | 62 | ~1878 |
| Margaret Maguire | Daughter | — | 29 | ~1911 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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 24
Philadelphia-County, Pennsylvania · implied b. ~1916 — 5 household members
| Surname | Maguire |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Machine Opr |
| Industry | Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 850 |
| Highest Grade | Hs 2 |
| 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 Maguire across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Maguire (~0.92 confidence) and father Patrick Maguire (~0.92 confidence) and mother Mary Maguire (~0.92 confidence) and mother Mary Maguire (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Maguire
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Patrick Maguire
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Mary Maguire
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Maguire
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Maguire
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Eleanor Maguire
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Maguire
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Maguire
Sibling · 1940 · age 33
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
35 people indexed on this census page (nara:1940:m-t0627-03726-00285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J. Maguire | 62 | Head | — | Pennsylvania |
| 2 | Catherine Maguire | 33 | Daughter | — | Pennsylvania |
| 3 | Margaret Maguire | 29 | Daughter | Stenographer | Pennsylvania |
| 4 | Eleanor Maguire | 25 | Daughter | Stenographer | Pennsylvania |
| 5 | John A. Maguire THIS PERSON | 24 | Son | Machine Opr | Pennsylvania |
| 7 | Edward L. Griffin | 49 | Head | Florist | Pennsylvania |
| 8 | Marion Griffin | 46 | Wife | — | Pennsylvania |
| 9 | Oliver Helt | 58 | Boarder | Labor | Pennsylvania |
| 11 | Rodman Eisenhart | 56 | Head | Florist | Pennsylvania |
| 12 | Elmira Eisenhart | 56 | Wife | — | New Jersey |
| 13 | Elizabeth Eisenhart | 30 | Daughter | Merchant | Pennsylvania |
| 14 | Lawrence Eisenhart | 53 | Head | Florist | Pennsylvania |
| 15 | Hildagard Eisenhart | 50 | Wife | — | New Jersey |
| 16 | Theodore Eisenhart | 22 | Son | Machine Opr. | Pennsylvania |
| 18 | Charles H. Thomas | 79 | Head | Retired | Pennsylvania |
| 19 | Mary A. Thomas | 69 | Wife | — | Pennsylvania |
| 20 | Frances Freimuller | 45 | Head | — | Illinois |
| 21 | Bernadette Freimuller | 24 | Daughter | Cashier | Pennsylvania |
| 22 | Margaret Freimuller | 19 | Daughter | New Worker | Pennsylvania |
| 23 | Lewis Freimuller | 17 | Son | — | Pennsylvania |
| 24 | Josephine Freimuller | 15 | Daughter | — | Pennsylvania |
| 25 | Richard Freimuller | 10 | Son | — | Pennsylvania |
| 26 | August Wagner | 76 | Uncle | Retired | Pennsylvania |
| 27 | Jerome W. Lepping | 31 | Son-in-law | Fireman | Pennsylvania |
| 28 | Madeline Lepping | 26 | Daughter | — | Pennsylvania |
| 29 | Jerome P. Jr. Lepping | 0 | Grandson | — | Pennsylvania |
| 31 | John H. Jones | 43 | Head | Salesman | Pennsylvania |
| 32 | Grace Jones | 42 | Wife | — | Pennsylvania |
| 33 | Sally Jones | 6 | Daughter | — | Pennsylvania |
| 35 | William E. Caves | 57 | Head | Construction | Pennsylvania |
| 36 | Anna M. Caves | 45 | Wife | — | Pennsylvania |
| 37 | June Caves | 26 | Daughter | Salesgirl | Pennsylvania |
| 38 | Ruth Caves | 19 | Daughter | Salesgirl | Pennsylvania |
| 39 | Earnest Caves | 17 | Son | — | Pennsylvania |
| 40 | Marion Caves | 14 | Daughter | — | Pennsylvania |
Pedigree Summary
John + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)