WM
William Mcguire — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this William Mcguire across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | McGuire |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Crafton |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Messenger |
| Industry | Blueprinting |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 224 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Messenger |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1920 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Ruth Mcguire | Daughter | — | 16 | ~1924 |
| John Mcguire | Son | — | 12 | ~1928 |
| Anna Mcguire | Daughter | — | 24 | ~1916 |
| Michael Mcguire | Head | — | 54 | ~1886 |
| William Mcguire | Son | — | 20 | ~1920 |
| Nora Mcguire | Daughter | — | 26 | ~1914 |
| Catherine Mcguire | Spouse | — | 54 | ~1886 |
| Mary Mcguire | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 10
Allegheny, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | William J |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Allegheny-County, Pennsylvania
Son, age 20
Allegheny-County, Pennsylvania · implied b. ~1920 — 8 household members
| Surname | McGuire |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Crafton |
| 1935 Residence (County) | Allegheny |
| Occupation | Messenger |
| Industry | Blueprinting |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 224 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| 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 William Mcguire across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcguire
Son · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Ruth Mcguire
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mcguire
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nora Mcguire
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcguire
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcguire
Sibling · 1940 · age 18
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-t0627-03676-00193)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James B. Alston | 67 | Head | Porter | N. Carolina |
| 42 | Alfonso Alston | 10 | Grandson | — | Pennsylvania |
| 43 | Cora Tate | 31 | Daughter | Maid | Pennsylvania |
| 44 | James Washington | 26 | Son-in-law | Handy Man | Tennessee |
| 45 | Annett Washington | 25 | Daughter | — | Pennsylvania |
| 46 | Mattie Washington | 3 | Granddaughter | — | Pennsylvania |
| 47 | Lloyd Washington | 2 | Grandson | — | Pennsylvania |
| 48 | Janice Washington | 1 | Granddaughter | — | Pennsylvania |
| 49 | Nannie Alston | 46 | Wife | House Maid | N. Carolina |
| 50 | Charles Fitts | 13 | Grandson | — | Pennsylvania |
| 51 | Deloris Fitts | 11 | Granddaughter | — | Pennsylvania |
| 52 | James Fitts | 9 | Grandson | — | Pennsylvania |
| 53 | Glenn Fitts | 8 | Grandson | — | Pennsylvania |
| 54 | Otto Holmquist | 42 | Head | Electrician | Pennsylvania |
| 55 | Clara B. Holmquist | 39 | Wife | — | Pennsylvania |
| 56 | Chester Ab. Holmquist | 20 | Son | — | Pennsylvania |
| 57 | Ruth Holmquist | 16 | Daughter | — | Pennsylvania |
| 58 | Paul Holmquist | 14 | Son | — | Pennsylvania |
| 59 | June Holmquist | 9 | Daughter | — | Pennsylvania |
| 60 | Clara Holmquist | 7 | Daughter | — | Pennsylvania |
| 61 | Boletta Holmquist | 3 | Daughter | — | Pennsylvania |
| 62 | Leo Mccaffrey | 42 | Head | Railway Mail Clerk | Pennsylvania |
| 63 | Nora Mccaffrey | 39 | Wife | — | England |
| 64 | Leonora Mccaffrey | 11 | Daughter | — | Pennsylvania |
| 65 | Daniel O'Brien | 78 | Head | Blacksmith | Pennsylvania |
| 66 | Mary Fitzpatrick | 55 | Niece | — | Pennsylvania |
| 67 | William Fitzpatrick | 50 | Nephew | Lay Repairman | Pennsylvania |
| 68 | Michael B. Mcguire | 54 | Head | — | Pennsylvania |
| 69 | Catherine Mcguire | 54 | Wife | — | Pennsylvania |
| 70 | Nora Mcguire | 26 | Daughter | Typist | Pennsylvania |
| 71 | Anna Mcguire | 24 | Daughter | Sales Clerk | Pennsylvania |
| 72 | William Mcguire THIS PERSON | 20 | Son | Messenger | Pennsylvania |
| 73 | Mary Mcguire | 18 | Daughter | New Worker | Pennsylvania |
| 74 | Ruth Mcguire | 16 | Daughter | — | Pennsylvania |
| 75 | John Mcguire | 12 | Son | — | Pennsylvania |
| 76 | Rosa L. Derry | 70 | Head | — | Pennsylvania |
| 77 | Mattie B. Derry | 42 | Daughter | — | Pennsylvania |
| 78 | Martha Derry | 38 | Daughter | Typist | Pennsylvania |
| 79 | Robert Bobson | 24 | Head | Railway Clerk | Ohio |
| 80 | Anne Bobson | 23 | Wife | — | Ohio |
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)