JC
John Crawford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Armstrong-County, Pennsylvania
Our Model Tree links this John Crawford across the 1920, 1930 and 1940 US Censuses in Armstrong-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 5-person household.
Age 63
b. ~1877
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Armstrong-County, Pennsylvania |
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Perry Township |
| 1935 Residence (County) | Armstrong |
| Additional Details | |
| Industry | none |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Perry Township |
| Est. Birth Year | ~1877 |
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 |
|---|---|---|---|---|
| Frances Crawford | Daughter | — | 15 | ~1925 |
| John Crawford | Head | — | 63 | ~1877 |
| Arthur Crawford | Son | — | 11 | ~1929 |
| Walter Crawford | Son | — | 33 | ~1907 |
| Daisy Crawford | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Armstrong, Pennsylvania
Head, age 42
Armstrong, Pennsylvania · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Lime Stone |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Armstrong, Pennsylvania
Head, age 53
Armstrong, Pennsylvania · implied b. ~1877 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 29 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Limestone Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Armstrong-County, Pennsylvania
Head, age 63
Armstrong-County, Pennsylvania · implied b. ~1877 — 5 household members
| Surname | Crawford |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Perry Township |
| 1935 Residence (County) | Armstrong |
| Industry | none |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Crawford
Head · 1940 · age 63 · b. ~1877 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Armstrong-County, Pennsylvania
Open full size
1940 US Federal Census — Armstrong-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03424-00330)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Curdo | 41 | Head | Farmer | Yugoslavia |
| 2 | Pete Curdo | 16 | Son | None | Pennsylvania |
| 3 | Annie Curdo | 12 | Daughter | — | Pennsylvania |
| 4 | Leo Curdo | 7 | Son | — | Pennsylvania |
| 5 | Keith Starr | 57 | Head | Pumper | Pennsylvania |
| 6 | Bessie R. Starr | 45 | Wife | — | Ohio |
| 7 | Phyllis R. Starr | 15 | Daughter | — | Pennsylvania |
| 8 | James A. Grove | 37 | Head | Labor | Pennsylvania |
| 9 | Margaret M. Grove | 29 | Wife | — | Pennsylvania |
| 10 | Wilbert L. Grove | 13 | Son | — | Pennsylvania |
| 11 | James A. Grove | 10 | Son | — | Pennsylvania |
| 12 | Charlotte M. Grove | 8 | Daughter | — | Pennsylvania |
| 13 | Betty J. Grove | 6 | Daughter | — | Pennsylvania |
| 14 | John C. Hicks | 47 | Head | Laborer | Pennsylvania |
| 15 | Iva V. Hicks | 44 | Wife | — | Pennsylvania |
| 16 | John C. Hicks | 23 | Son | New Worker | Pennsylvania |
| 17 | Paul E. Hicks | 18 | Son | New Worker | Pennsylvania |
| 18 | William L. Hicks | 14 | Son | — | Pennsylvania |
| 19 | John Crawford THIS PERSON | 63 | Head | — | Pennsylvania |
| 20 | Daisy M. Crawford | 53 | Wife | — | Pennsylvania |
| 21 | Walter J. Crawford | 33 | Son | — | Pennsylvania |
| 22 | Frances C. Crawford | 15 | Daughter | — | Pennsylvania |
| 23 | Arthur G. Crawford | 11 | Son | — | Pennsylvania |
| 24 | Evan D. Jennings | 62 | Head | Superintendent | Pennsylvania |
| 25 | Edward C. Mcintyre | 33 | Head | Miner | Pennsylvania |
| 26 | Elizabeth Mcintyre | 37 | Wife | — | Pennsylvania |
| 27 | Annabelle Mcintyre | 12 | Daughter | — | Pennsylvania |
| 28 | Dorothy Mcintyre | 10 | Daughter | — | Pennsylvania |
| 29 | Benjamin J. Delaney | 62 | Head | Farmer | Pennsylvania |
| 30 | Mary P. Delaney | 67 | Sister | — | Pennsylvania |
| 31 | Tony A. Szerchak | 48 | Head | Blacksmith | Italy |
| 32 | Mabel M. Szerchak | 38 | Wife | — | Pennsylvania |
| 33 | Ida M. Barger | 65 | Daughter | — | Pennsylvania |
| 34 | Fred C. Rottmann | 32 | Head | Truck Driver | Germany |
| 35 | Luise A. Rottmann | 25 | Wife | — | Pennsylvania |
| 36 | Carrie J. Rottmann | 5 | Daughter | — | Pennsylvania |
| 37 | Aneta J. Rottmann | 2 | Daughter | — | Pennsylvania |
| 38 | Ferdinand Rottmann | 12 | Son | — | Pennsylvania |
| 39 | Flora Binkerd | 67 | Head | Farmer | Pennsylvania |
| 40 | Rumina Binkerd | 64 | Sister | Farmer | 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)