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John Mcclure — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Crawford-County, Pennsylvania
Our Model Tree links this John Mcclure across the 1910, 1920, 1930 and 1940 US Censuses in Crawford-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 3-person household.
Age 73
b. ~1867
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Pennsylvania |
| Surname | McClure |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conneaut Lake Borough |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Conneaut Lake Borough |
| Est. Birth Year | ~1867 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Martha Mcclure | Daughter | — | 33 | ~1907 |
| John Mcclure | Head | — | 73 | ~1867 |
| Julia Mcclure | Spouse | — | 62 | ~1878 |
Census Appearances
1910
Crawford, Pennsylvania
Head, age 43
Crawford, Pennsylvania · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClure |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Mail Carrier |
| Industry | Rural Route |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Crawford, Pennsylvania
Head, age 53
Crawford, Pennsylvania · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClure |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Mail Carrier |
| Industry | R.F. Delivery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Crawford, Pennsylvania
Head, age 63
Crawford, Pennsylvania · implied b. ~1867 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClure |
| Given Name | John B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Messenger |
| Industry | P.O. United States |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Crawford-County, Pennsylvania
Head, age 73
Crawford-County, Pennsylvania · implied b. ~1867 — 3 household members
| Surname | McClure |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conneaut Lake Borough |
| 1935 Residence (County) | Crawford |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Mcclure across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcclure
Head · 1940 · age 73 · b. ~1867 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Crawford-County, Pennsylvania
Open full size
1940 US Federal Census — Crawford-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03475-00247)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John S. Allio | 22 | Head | Chain Machine Operator | Pennsylvania |
| 2 | Irene Allio | 24 | Wife | Waitress | Pennsylvania |
| 3 | George Mellon | 68 | Head | — | Pennsylvania |
| 4 | Bertha Mellon | 62 | Wife | — | Pennsylvania |
| 5 | John B. Mcclure THIS PERSON | 73 | Head | — | Pennsylvania |
| 6 | Julia Mcclure | 62 | Wife | — | Pennsylvania |
| 7 | Martha Mcclure | 33 | Daughter | Bookkeeper | Pennsylvania |
| 8 | Walter Furer | 30 | Head | Physician | Pennsylvania |
| 9 | Margaret Furer | 25 | Wife | — | Pennsylvania |
| 10 | Mary Furer | 3 | Daughter | — | Pennsylvania |
| 11 | H. Tom Furer | 1 | Son | — | Pennsylvania |
| 12 | Ada Troyer | 21 | Hired girl | Housework | Ohio |
| 13 | Maurice Hamed | 32 | Head | Merchant | Pennsylvania |
| 14 | Lavee Hamed | 30 | Wife | — | Pennsylvania |
| 15 | Ronald Hamed | 3 | Son | — | Pennsylvania |
| 16 | Richard Hamed | 1 | Son | — | Pennsylvania |
| 17 | Harry C. Slavison | 68 | Head | Clergyman | Pennsylvania |
| 18 | Carrie Slavison | 68 | Wife | — | Pennsylvania |
| 19 | Edward Barnes | 28 | Head | Foreman | New York |
| 20 | Vivian Barnes | 29 | Wife | — | Pennsylvania |
| 21 | James Barnes | 5 | Son | — | Pennsylvania |
| 22 | Thomas Barnes | 3 | Son | — | Pennsylvania |
| 23 | Charles Naylor | 26 | Lodger | Clerk | Pennsylvania |
| 24 | Ambrose A. Caldwell | 76 | Head | Janitor | Pennsylvania |
| 25 | Mabel Caldwell | 71 | Wife | — | Pennsylvania |
| 26 | Edna T. Powell | 54 | Head | — | Pennsylvania |
| 27 | Ronald Powell | 26 | Son | Mechanic | Pennsylvania |
| 28 | Hugo Sandberg | 41 | Head | Electrician | New York |
| 29 | Frances Sandberg | 39 | Wife | — | Pennsylvania |
| 30 | William H. Sandberg | 1 | Son | — | Pennsylvania |
| 31 | Earl Baker | 27 | Head | Cheesemaker | Pennsylvania |
| 32 | Kathryn Baker | 22 | Wife | — | Pennsylvania |
| 33 | Raymond Baker | 0 | Son | — | Pennsylvania |
| 34 | Noel Phillips | 40 | Head | Carpenter | West Virginia |
| 35 | Georgia M. Phillips | 36 | Wife | — | Pennsylvania |
| 36 | Thelma Phillips | 18 | Daughter | — | Pennsylvania |
| 37 | Nora Phillips | 16 | Daughter | — | Pennsylvania |
| 38 | Elva Phillips | 13 | Daughter | — | Pennsylvania |
| 39 | Betty Phillips | 7 | Daughter | — | Pennsylvania |
| 40 | Sally Phillips | 75 | Mother | — | 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)