JH
John Henderson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Westmoreland, Pennsylvania
Our Model Tree links this John Henderson across the 1910, 1920 and 1930 US Censuses in Westmoreland, Pennsylvania (XGBoost, ~Confirmed), with identified parents Isaac & Sarah — first a son (b.~1905), then head of a 27-person household.
Age 25
b. ~1905
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Westmoreland, Pennsylvania |
| Surname | Henderson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Farm Laborer |
| Township / Ward | East Huntingdon Township |
| Est. Birth Year | ~1905 |
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.
27 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ethel Henderson | Daughter | — | 34 | ~1896 |
| Josephine Komenda | Daughter | — | 6 | ~1924 |
| Mary Komenda | Daughter | — | 2 | ~1928 |
| Katie Komenda | Daughter | — | 15 | ~1915 |
| Helen Komenda | Daughter | — | 1 | ~1929 |
| Laura Reboy | Daughter | — | 7 | ~1923 |
| Virgie Komenda | Daughter | — | 13 | ~1917 |
| Bessie Komenda | Daughter | — | ~1930 | |
| Pearl Murray | Daughter | — | 15 | ~1915 |
| Bonty Reboy | Head | — | 30 | ~1900 |
| Stanley Vensky | Other | — | 21 | ~1909 |
| J Murray | Other | — | 61 | ~1869 |
| John Komenda | Other | — | 52 | ~1878 |
| Isaac Henderson | Other | — | 72 | ~1858 |
| Louis Reboy | Son | — | 4 | ~1926 |
| John Henderson | Son | — | 25 | ~1905 |
| Joseph Komenda | Son | — | 18 | ~1912 |
| Pete Komenda | Son | — | 5 | ~1925 |
| Leo Komenda | Son | — | 10 | ~1920 |
| Arthur Henderson | Son | — | 23 | ~1907 |
| Victor Komenda | Son | — | 16 | ~1914 |
| Mike Komenda | Son | — | 21 | ~1909 |
| Marion Komenda | Son | — | 17 | ~1913 |
| Mary Reboy | Spouse | — | 24 | ~1906 |
| Sarah Henderson | Spouse | — | 68 | ~1862 |
| Mary Murray | Spouse | — | 58 | ~1872 |
| Sophia Komenda | Spouse | — | 42 | ~1888 |
Census Appearances
1910
Westmoreland, Pennsylvania
Son, age 5
Westmoreland, Pennsylvania · implied b. ~1905 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Westmoreland, Pennsylvania
Son, age 15
Westmoreland, Pennsylvania · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Westmoreland, Pennsylvania
Son, age 25
Westmoreland, Pennsylvania · implied b. ~1905 — 27 household members
| Surname | Henderson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Henderson across 3 US Census years (1910, 1920 and 1930) in Westmoreland, Pennsylvania, using XGBoost record linkage. Identified parents: father Isaac Henderson (~0.92 confidence) and mother Sarah Henderson (~0.92 confidence) and mother Mary Murray (~0.92 confidence) and mother Sophia Komenda (~0.92 confidence) and father Bonty Reboy (~0.60 confidence) and mother Mary Reboy (~0.50 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.8
Father
Isaac Henderson
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Sarah Henderson
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Mary Murray
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Sophia Komenda
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Bonty Reboy
b. ~1900
Source father
● Household
· direct · ~0.6
Mother
Mary Reboy
b. ~1906
Source mother
● Household
· direct · ~0.5
This person
Anchor record
John Henderson
Son · 1930 · age 25 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
Bessie Komenda
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Henderson
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Komenda
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgie Komenda
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Murray
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Komenda
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Komenda
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Henderson
Sibling · 1930 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Komenda
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victor Komenda
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katie Komenda
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Komenda
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pete Komenda
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mike Komenda
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Reboy
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Reboy
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Komenda
Sibling · 1930 · 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
1930 US Federal Census — Westmoreland, Pennsylvania
Open full size
1930 US Federal Census — Westmoreland, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2155:0643)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Glasgow Dougall | 70 | Head | — | Scotland |
| 2 | Lena Dougall | 68 | Wife | — | Scotland |
| 3 | C. H. Murray | 37 | Head | Plumber | Pennsylvania |
| 4 | Lydia Murray | 35 | Wife | — | Pennsylvania |
| 5 | William Murray | 12 | Son | — | Pennsylvania |
| 6 | Gilbert Murray | 11 | Son | — | Pennsylvania |
| 7 | Stella Murray | 7 | Daughter | — | Pennsylvania |
| 8 | Mabel Murray | 2 | Daughter | — | Pennsylvania |
| 9 | Judson Van Horn | 42 | Head | Laborer | Pennsylvania |
| 10 | Beatrice Van Horn | 30 | Wife | — | Georgia |
| 11 | Judson Jr. Van Horn | 10 | Son | — | Pennsylvania |
| 12 | Essie J. Van Horn | 8 | Daughter | — | Pennsylvania |
| 13 | Mary E. Van Horn | 5 | Daughter | — | Pennsylvania |
| 14 | John R. Lloyd | 47 | Head | Laborer | Pennsylvania |
| 15 | Effie Lloyd | 43 | Wife | — | Pennsylvania |
| 16 | Harriet Lloyd | 14 | Daughter | — | Pennsylvania |
| 17 | Sarah Lloyd | 14 | Daughter | — | Pennsylvania |
| 18 | Dorothy Lloyd | 12 | Daughter | — | Pennsylvania |
| 19 | Harold Lloyd | 9 | Son | — | Pennsylvania |
| 20 | J. W. Rollay | 76 | Head | Farmer | Pennsylvania |
| 21 | Belle Rollay | 68 | Wife | — | Pennsylvania |
| 22 | John Rollay | 36 | Son | Laborer | Pennsylvania |
| 23 | Grace Rollay | 25 | Daughter | Milliner | Pennsylvania |
| 24 | Bonty Reboy | 30 | Head | Bricklayer | Pennsylvania |
| 25 | Mary Reboy | 24 | Wife | — | Italy |
| 26 | Laura Reboy | 7 | Daughter | — | Pennsylvania |
| 27 | Louis Reboy | 4 | Son | — | Pennsylvania |
| 28 | J. D. Murray | 61 | O | Carpenter | Pennsylvania |
| 29 | Mary Murray | 58 | Wife | — | Pennsylvania |
| 30 | Pearl Murray | 15 | Daughter | — | Pennsylvania |
| 31 | Isaac Henderson | 72 | O | Farmer | Ireland |
| 32 | Sarah Henderson | 68 | Wife | — | Pennsylvania |
| 33 | Ethel Henderson | 34 | Daughter | Inspector | Pennsylvania |
| 34 | John Henderson THIS PERSON | 25 | Son | Farm Laborer | Pennsylvania |
| 35 | Arthur Henderson | 23 | Son | Machinist | Pennsylvania |
| 36 | John Komenda | 52 | O | Farmer | Poland |
| 37 | Sophia Komenda | 42 | Wife | — | Poland |
| 38 | Mike Komenda | 21 | Son | Laborer | Pennsylvania |
| 39 | Joseph Komenda | 18 | Son | Farm Laborer | Pennsylvania |
| 40 | Marion Komenda | 17 | Son | Farm Laborer | Pennsylvania |
| 41 | Victor Komenda | 16 | Son | — | Pennsylvania |
| 42 | Katie Komenda | 15 | Daughter | — | Pennsylvania |
| 43 | Virgie Komenda | 13 | Daughter | — | Pennsylvania |
| 44 | Leo Komenda | 10 | Son | — | Pennsylvania |
| 45 | Josephine Komenda | 6 | Daughter | — | Pennsylvania |
| 46 | Pete Komenda | 5 | Son | — | Pennsylvania |
| 47 | Mary Komenda | 2 | Daughter | — | Pennsylvania |
| 48 | Helen Komenda | 1 | Daughter | — | Pennsylvania |
| 49 | Bessie Komenda | 0 | Daughter | — | Pennsylvania |
| 50 | Stanley Vensky | 21 | Brother-in-law | Laborer | Pennsylvania |
Related Census Records
Pedigree Summary
John + 17 siblings
Gen 1 · 6 parents
~0.8
Max depth 4 (1900–1950 window)
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)