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John Mcclain — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Mcclain across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 6-person household.
Age 23
b. ~1907
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | McClain |
| Given Name | John B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Sand Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Truck Driver |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1907 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| William Mcclain | Son | — | 13 | ~1917 |
| Mary Mcclain | Daughter | — | 13 | ~1917 |
| Catharine Mcclain | Daughter | — | 18 | ~1912 |
| John Mcclain | Son | — | 23 | ~1907 |
| Annie Mcclain | Spouse | — | 54 | ~1876 |
| Benjamin Mcclain | Head | — | 60 | ~1870 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 13
Allegheny, Pennsylvania · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | John B |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 23
Allegheny, Pennsylvania · implied b. ~1907 — 6 household members
| Surname | McClain |
| Given Name | John B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Truck driver |
| Industry | Sand Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Mcclain across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcclain
Son · 1930 · age 23 · b. ~1907 · Pennsylvania
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Sibling
William Mcclain
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catharine Mcclain
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcclain
Sibling · 1930 · age 13
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
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1983:0228)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ruth Mitchell | 19 | daughter | Typist | Pennsylvania |
| 52 | Charles H. Stimson | 50 | Head | None | Ohio |
| 53 | Mary B. Stimson | 64 | Wife | None | Iowa |
| 54 | Almira Frenick | 21 | daughter | None | Pennsylvania |
| 55 | William H. Wileman | 51 | Head | Proprietor | Pennsylvania |
| 56 | Mayme B. Wileman | 46 | Wife | None | Ohio |
| 57 | Marion E. Wileman | 17 | daughter | Inspector | Pennsylvania |
| 58 | William J. Wileman | 14 | son | None | Pennsylvania |
| 59 | William H. Reisdorf | 34 | Head | Mechanic | Maryland |
| 60 | Margaret E. Reisdorf | 26 | Wife | None | Pennsylvania |
| 61 | Robert W. Reisdorf | 2 | son | None | Pennsylvania |
| 62 | John H. Baker | 59 | Head | Carpenter | Pennsylvania |
| 63 | Regina Baker | 57 | Wife | None | Pennsylvania |
| 64 | Marguerite Baker | 36 | daughter | Stenog | Pennsylvania |
| 65 | John L. Baker | 32 | son | Laborer | Pennsylvania |
| 66 | Mildred Mcintyre | 28 | daughter | Stenog | Pennsylvania |
| 67 | William G. Baker | 25 | son | Mech. Draught | Pennsylvania |
| 68 | Richard S. Baker | 19 | son | Laborer | Pennsylvania |
| 69 | Dorothy M. Baker | 16 | daughter | None | Pennsylvania |
| 70 | Robert Addison Mcintyre | 6 | son | None | Pennsylvania |
| 71 | Benjamin H. Mcclain | 60 | Head | Laborer | Pennsylvania |
| 72 | Annie M. Mcclain | 54 | Wife | None | Pennsylvania |
| 73 | John B. Mcclain THIS PERSON | 23 | son | Truck Driver | Pennsylvania |
| 74 | Catharine M. Mcclain | 18 | daughter | Stenog | Pennsylvania |
| 75 | William H. Mcclain | 13 | son | None | Pennsylvania |
| 76 | Mary A. Mcclain | 13 | daughter | None | Pennsylvania |
| 77 | John R. Fuchs | 36 | Head | Laborer | Pennsylvania |
| 78 | Alma G. Fuchs | 35 | Wife | None | Pennsylvania |
| 79 | Roy B. Fuchs | 14 | son | None | Pennsylvania |
| 80 | Alfred A. Monsmann | 46 | Head | Concl. Trav. | Pennsylvania |
| 81 | Mary Monsmann | 27 | Wife | Bookkeeper | Pennsylvania |
| 82 | Amelia Monsmann | 67 | mother | None | Germany |
| 83 | John Zak | 33 | Head | Laborer | Pennsylvania |
| 84 | Anna M. Zak | 32 | Wife | None | Pennsylvania |
| 85 | John Jr. Zak | 6 | son | None | Pennsylvania |
| 86 | Stephen Zak | 84 | step father | None | Poland |
| 87 | John O. Holzapfel | 43 | Head | Concl. Trav. | Pennsylvania |
| 88 | Clara B. Holzapfel | 41 | Wife | None | Pennsylvania |
| 89 | John O. Jr. Holzapfel | 23 | son | Concl. Trav. | Pennsylvania |
| 90 | Francis W. Holzapfel | 20 | son | Truck Driver | Pennsylvania |
| 91 | Claire M. Holzapfel | 16 | daughter | None | Pennsylvania |
| 92 | Clara I. Holzapfel | 6 | daughter | None | Pennsylvania |
| 93 | Mary C. Kronz | 56 | Head | None | Pennsylvania |
| 94 | Charles J. Kronz | 26 | son | Typist | Pennsylvania |
| 95 | William Kronz | 20 | son | Attendant | Pennsylvania |
| 96 | Raymond N. Kronz | 18 | son | Electrician | Pennsylvania |
| 97 | Francis N. Kronz | 15 | son | None | Pennsylvania |
| 98 | William J. Kaltenhauser | 73 | Head | None | Pennsylvania |
| 99 | Esther E. Kaltenhauser | 32 | daughter | Stenog | Pennsylvania |
| 100 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)