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John Mcguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Mcguire across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 16-person household.
Age 16
b. ~1924
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | McGuire |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| 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.
16 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mcguire | Daughter | — | 7 | ~1933 |
| Betty Mcguire | Daughter | — | 6 | ~1934 |
| Elizabeth Mcguire | Daughter | — | 17 | ~1923 |
| Dolores Mcguire | Daughter | — | 4 | ~1936 |
| Rose Mcguire | Daughter | — | 12 | ~1928 |
| Nellie Mcguire | Daughter | — | 5 | ~1935 |
| Ruth Mcguire | Daughter | — | 3 | ~1937 |
| Frank Mcguire | Head | — | 44 | ~1896 |
| John Mcguire | Son | — | 16 | ~1924 |
| Albert Mcguire | Son | — | 10 | ~1930 |
| Thomas Mcguire | Son | — | 9 | ~1931 |
| Francis Mcguire | Son | — | 18 | ~1922 |
| William Mcguire | Son | — | 1 | ~1939 |
| Jerome Mcguire | Son | — | 13 | ~1927 |
| Charles Mcguire | Son | — | 15 | ~1925 |
| Catherine Mcguire | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 16
Allegheny-County, Pennsylvania · implied b. ~1924 — 16 household members
| Surname | McGuire |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| 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 Mcguire across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcguire
Son · 1940 · age 16 · b. ~1924 · Pennsylvania
★ You are viewing this record
Sibling
Charles Mcguire
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcguire
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcguire
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Mcguire
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mcguire
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolores Mcguire
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Mcguire
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcguire
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Mcguire
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mcguire
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mcguire
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Mcguire
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcguire
Sibling · 1940 · age 7
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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03670-00487)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank E. Mcguire | 44 | Head | Skilled Labor | Pennsylvania |
| 2 | Catherine Mcguire | 40 | Wife | — | Pennsylvania |
| 3 | Francis Mcguire | 18 | Son | — | Pennsylvania |
| 4 | Elizabeth Mcguire | 17 | Daughter | — | Pennsylvania |
| 5 | John Mcguire THIS PERSON | 16 | Son | — | Pennsylvania |
| 6 | Charles Mcguire | 15 | Son | — | Pennsylvania |
| 7 | Jerome Mcguire | 13 | Son | — | Pennsylvania |
| 8 | Rose Mcguire | 12 | Daughter | — | Pennsylvania |
| 9 | Albert Mcguire | 10 | Son | — | Pennsylvania |
| 10 | Thomas Mcguire | 9 | Son | — | Pennsylvania |
| 11 | Margaret Mcguire | 7 | Daughter | — | Pennsylvania |
| 12 | Betty Mcguire | 6 | Daughter | — | Pennsylvania |
| 13 | Nellie Mcguire | 5 | Daughter | — | Pennsylvania |
| 14 | Dolores Mcguire | 4 | Daughter | — | Pennsylvania |
| 15 | Ruth Mcguire | 3 | Daughter | — | Pennsylvania |
| 16 | William Mcguire | 1 | Son | — | Pennsylvania |
| 17 | Charles Vach | 80 | Head | Machinist | Germany |
| 18 | John Platts | 32 | Head | Pressman | Pennsylvania |
| 19 | Kathryn Platts | 29 | Wife | — | Pennsylvania |
| 20 | Joan Platts | 10 | Daughter | — | Pennsylvania |
| 21 | Jean Platts | 7 | Daughter | — | Pennsylvania |
| 22 | John W. Platts | 5 | Son | — | Pennsylvania |
| 23 | Margaret Platts | 2 | Daughter | — | Pennsylvania |
| 24 | Louis Schnorr | 40 | Head | Superintendent | Pennsylvania |
| 25 | Lillian Schnorr | 34 | Wife | — | Pennsylvania |
| 26 | Lillian Schnorr | 12 | Daughter | — | Pennsylvania |
| 27 | Edythe Schnorr | 14 | Daughter | — | Pennsylvania |
| 28 | William Keenan | 47 | Head | Inspector | Pennsylvania |
| 29 | Myrtle Keenan | 45 | Wife | — | Pennsylvania |
| 30 | Sarah Keenan | 18 | Daughter | — | Pennsylvania |
| 31 | Dorothy Keenan | 17 | Daughter | — | Pennsylvania |
| 32 | Loretta Darsfield | 36 | Head | — | Pennsylvania |
| 33 | Thelma Darsfield | 18 | Daughter | Sales Clerk | Pennsylvania |
| 34 | Edward Darsfield | 16 | Son | — | Pennsylvania |
| 35 | Thomas Darsfield | 14 | Son | — | Pennsylvania |
| 36 | Albert Darsfield | 13 | Son | — | Pennsylvania |
| 37 | Gerald Darsfield | 8 | Son | — | Pennsylvania |
| 38 | Karl Jensen | 56 | Lodger | General Repair | Pennsylvania |
| 39 | Louis Wall | 61 | Head | Laundryman | Germany |
| 40 | Elizabeth Wall | 57 | Wife | — | Pennsylvania |
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)