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John Armstrong — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Armstrong across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Helen — first a son (b.~1905), then head of a 4-person household.
Age 25
b. ~1905
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Armstrong |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Time Keeper |
| Industry | Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Time Keeper |
| Township / Ward | Springdale Borough |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen Armstrong | Daughter | — | 18 | ~1912 |
| John Armstrong | Head | — | 55 | ~1875 |
| Helen Armstrong | Other | — | 51 | ~1879 |
| John Armstrong | Son | — | 25 | ~1905 |
Census Appearances
1910
Allegheny, Pennsylvania
Other, age 5
Allegheny, Pennsylvania · implied b. ~1905 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John |
| Relationship to Head | Inmate |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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 25
Allegheny, Pennsylvania · implied b. ~1905 — 4 household members
| Surname | Armstrong |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Time Keeper |
| Industry | Construction |
| 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 Armstrong across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father John Armstrong (~0.92 confidence) and mother Helen Armstrong (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Armstrong
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Helen Armstrong
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Armstrong
Son · 1930 · age 25 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
Helen Armstrong
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1991:0046)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Theresa Betty | 0 | Daughter | — | Pennsylvania |
| 52 | Delia | 20 | Daughter-in-law | — | Pennsylvania |
| 53 | Arthur | 0 | Grandson | — | Pennsylvania |
| 54 | Perry C. Bonham | 56 | Head | Loco Engineer | Pennsylvania |
| 55 | Viola M. Bonham | 49 | Wife-H | — | Pennsylvania |
| 56 | George M. Hawk | 30 | Head | Salesman | Pennsylvania |
| 57 | Anna E. Hawk | 26 | Wife-H | — | Pennsylvania |
| 58 | June E. Hawk | 5 | Daughter | — | Pennsylvania |
| 59 | Judson E. Hawk | 4 | Son | — | Pennsylvania |
| 60 | David A. Brown | 59 | Head | Laborer | Scotland |
| 61 | Emma E. Brown | 57 | Wife-H | — | Pennsylvania |
| 62 | Howard Brown | 27 | Son | Skilled Laborer | Pennsylvania |
| 63 | Bertha Brown | 26 | Daughter-in-law | — | Pennsylvania |
| 64 | William Brown | 7 | Grandson | — | Pennsylvania |
| 65 | Norma J. Brown | 2 | Granddaughter | — | Pennsylvania |
| 66 | George M. Watkins | 35 | Head | Policeman | Tennessee |
| 67 | Allie M. Watkins | 26 | Wife-H | — | Tennessee |
| 68 | Annie Bright | 55 | Mother | — | Tennessee |
| 69 | May Bright | 33 | Sister | — | Tennessee |
| 70 | David H. Duvall | 54 | Head | Laborer | New York |
| 71 | Evaine M. Duvall | 48 | Wife-H | — | West Virginia |
| 72 | Herbert V. Duvall | 17 | Son | — | Pennsylvania |
| 73 | Louisa J. Kennedy | 84 | Mother-in-law | — | West Virginia |
| 74 | Charles E. Michaels | 65 | Head | Janitor | Pennsylvania |
| 75 | Anna M. Michaels | 62 | Wife-H | — | Pennsylvania |
| 76 | Anna E. Michaels | 41 | Daughter | Checker | Pennsylvania |
| 77 | Stella Michaels | 31 | Daughter | — | Pennsylvania |
| 78 | Jean Michaels | 24 | Daughter | Stenographer | Pennsylvania |
| 79 | Ellen Keister | 67 | Head-H | — | Pennsylvania |
| 80 | Anna S. Keister | 44 | Daughter | Telegraph Oper | Pennsylvania |
| 81 | John Armstrong | 55 | Head | Cashier | Pennsylvania |
| 82 | Helen Armstrong | 51 | Wife-H | — | Pennsylvania |
| 83 | John E. Armstrong THIS PERSON | 25 | Son | Time Keeper | Pennsylvania |
| 84 | Helen D. Armstrong | 18 | Daughter | — | Pennsylvania |
| 85 | Robt C. Daniels | 37 | Head | Elec Engineer | Pennsylvania |
| 86 | Blanche A. Daniels | 31 | Wife-H | — | Pennsylvania |
| 87 | Reed R. Daniels | 11 | Son | — | Pennsylvania |
| 88 | Robert Daniels | 2 | Son | — | Pennsylvania |
| 89 | Thomas Mitchell | 27 | Brother-in-law | Fireman | Pennsylvania |
| 90 | Florence Mitchell | 22 | Sister-in-law | — | Pennsylvania |
| 91 | Edward A. Hanna | 61 | Head | Chief Clerk | Ohio |
| 92 | Mary E. Hanna | 55 | Wife-H | — | Pennsylvania |
| 93 | Edward A. Hanna | 25 | Son | Trav Salesman | Pennsylvania |
| 94 | Dorothy E. Hanna | 25 | Daughter | — | Pennsylvania |
| 95 | Virginia Hanna | 23 | Daughter | Teacher | Pennsylvania |
| 96 | Wilbert Hanna | 15 | Son | — | Pennsylvania |
| 97 | Louise Hanna | 15 | Daughter | — | Pennsylvania |
| 98 | John J. Brough | 36 | Head | Car Inspector | England |
| 99 | Lydia J. Brough | 36 | Wife-H | — | Pennsylvania |
| 100 | Mary E. Brough | 12 | Daughter | — | Pennsylvania |
Pedigree Summary
John + 1 sibling
Gen 1 · 2 parents
~0.92
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)