JL
John Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this John Leonard across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 5-person household.
Age 65
b. ~1875
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Leonard |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Brakeman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Brakeman |
| Township / Ward | Altoona |
| Est. Birth Year | ~1875 |
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 |
|---|---|---|---|---|
| Marjorie Leonard | Daughter | — | 27 | ~1913 |
| John Leonard | Head | — | 65 | ~1875 |
| Paul Doss | Other | — | 44 | ~1896 |
| Joe Fonner | Other | — | 65 | ~1875 |
| Ida Leonard | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Blair, Pennsylvania
Head, age 43
Blair, Pennsylvania · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brakeman |
| Industry | Steam Railroad |
| 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
Blair, Pennsylvania
Head, age 55
Blair, Pennsylvania · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | John N |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brakeman |
| Industry | P.R.R. Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | 20 |
| Veteran | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Head, age 65
Blair-County, Pennsylvania · implied b. ~1875 — 5 household members
| Surname | Leonard |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Occupation | Brakeman |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | No 8 |
| 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 Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Leonard
Head · 1940 · age 65 · b. ~1875 · 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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03437-00229)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Joyce Cramer | 17 | Daughter | — | Pennsylvania |
| 42 | Lula Cramer | 15 | Daughter | — | Pennsylvania |
| 43 | Laura Stahl | 76 | Mother-in-law | — | Pennsylvania |
| 44 | David H. White | 43 | Head | — | Pennsylvania |
| 45 | Eloise White | 24 | Daughter | Cook | Pennsylvania |
| 46 | David White | 21 | Son | Foundry Laborer | Pennsylvania |
| 47 | Elizabeth White | 13 | Daughter | — | Pennsylvania |
| 48 | Ella Steel | 74 | Head | — | Pennsylvania |
| 49 | Anna Black | 59 | Lodger | Teacher | Pennsylvania |
| 50 | Harold J. Bowman | 31 | Head | Clerk | Pennsylvania |
| 51 | Esther Bowman | 26 | Wife | — | Pennsylvania |
| 52 | Emily Jane Bowman | 0 | Daughter | — | Pennsylvania |
| 53 | Blanche Neff | 50 | Head | — | Pennsylvania |
| 54 | Henry J. Walty | 58 | Head | Caretaker | Pennsylvania |
| 55 | Bertha Walty | 56 | Wife | — | Pennsylvania |
| 56 | Ralph Zierer | 39 | Head | Pipe Fitter | Pennsylvania |
| 57 | Helen Zierer | 35 | Wife | — | Pennsylvania |
| 58 | William L. Ross | 47 | Head | Boiler Maker | Pennsylvania |
| 59 | Verna R. Ross | 44 | Wife | — | Pennsylvania |
| 60 | William Ross | 15 | Son | — | Pennsylvania |
| 61 | John H. Leonard THIS PERSON | 65 | Head | Brakeman | Pennsylvania |
| 62 | Ida M. Leonard | 57 | Wife | — | Pennsylvania |
| 63 | Marjorie Leonard | 27 | Daughter | School Teacher | Pennsylvania |
| 64 | Joe Fonner | 65 | Lodger | — | Pennsylvania |
| 65 | Paul Doss | 44 | Lodger | Carpenter | West Virginia |
| 66 | James C. Fegan | 55 | Head | Clerk | Pennsylvania |
| 67 | Florence E. Fegan | 40 | Wife | — | Pennsylvania |
| 68 | Walter E. Brown | 46 | Head | Pastor | Pennsylvania |
| 69 | Ethyl M. Brown | 36 | Wife | — | Pennsylvania |
| 70 | Margaret Brown | 14 | Daughter | — | Pennsylvania |
| 71 | Gerald Brown | 12 | Son | — | Pennsylvania |
| 72 | Shirley Jean Brown | 6 | Daughter | — | Pennsylvania |
| 73 | Herman Stevens | 49 | Head | Brakeman | Pennsylvania |
| 74 | Ruth Stevens | 45 | Wife | — | Pennsylvania |
| 75 | Charles Stevens | 15 | Son | Salesman | Pennsylvania |
| 76 | Paul Bordner | 38 | Lodger | Laborer | Pennsylvania |
| 77 | Marie Bordner | 41 | Lodger | — | Pennsylvania |
| 78 | Jack Bordner | 12 | Lodger | — | Pennsylvania |
| 79 | John B. Walker | 52 | Head | Clerk | Pennsylvania |
| 80 | Esther Walker | 55 | 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)