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Betty Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Betty Martin across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 10
b. ~1920
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Martin |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Yugoslavia-Austria |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| John Martin | Head | — | 47 | ~1883 |
| Betty Martin | Daughter | — | 10 | ~1920 |
| Dorothy Martin | Daughter | — | 4 | ~1926 |
| Barbara Martin | Spouse | — | 36 | ~1894 |
| William Martin | Son | — | 15 | ~1915 |
| Madeline Martin | Daughter | — | 6 | ~1924 |
| Gertrude Martin | Daughter | — | 13 | ~1917 |
| Lillian Martin | Daughter | — | 12 | ~1918 |
| John Martin | Son | — | 16 | ~1914 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age
Allegheny, Pennsylvania · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Austria |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 10
Allegheny, Pennsylvania · implied b. ~1920 — 9 household members
| Surname | Martin |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Yugoslavia-Austria |
| 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 Betty Martin across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Martin
Daughter · 1930 · age 10 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Madeline Martin
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Martin
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Martin
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Martin
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Martin
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Martin
Sibling · 1930 · age 4
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:fifteenthcensus00reel1984:0107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Phillip Castelli | 45 | Head | Carpenter | Italy |
| 52 | Agnes Castelli | 35 | Wife | — | Italy |
| 53 | Joseph Grace | 34 | Head | Carpenter | Hungary |
| 54 | Elizabeth Grace | 28 | Wife | — | Hungary |
| 55 | Joseph Jr. Grace | 9 | Son | — | Pennsylvania |
| 56 | Walter Grace | 3 | Son | — | Pennsylvania |
| 57 | David S. Davis | 30 | Head | Laborer | Pennsylvania |
| 58 | Mary R. Davis | 37 | Wife | — | Pennsylvania |
| 59 | Clarence J. Haley | 19 | Stepson | Clerk | Pennsylvania |
| 60 | John Martin | 47 | Head | Laborer | Hungary |
| 61 | Barbara Martin | 36 | Wife | — | Yugoslavia-Austria |
| 62 | John Jr. Martin | 16 | Son | — | Pennsylvania |
| 63 | William G. Martin | 15 | Son | — | Pennsylvania |
| 64 | Gertrude M. Martin | 13 | Daughter | — | Pennsylvania |
| 65 | Lillian M. Martin | 12 | Daughter | — | Pennsylvania |
| 66 | Betty J. Martin THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 67 | Madeline R. Martin | 6 | Daughter | — | Pennsylvania |
| 68 | Dorothy M. Martin | 4 | Daughter | — | Pennsylvania |
| 69 | Arthur A. Young | 55 | Head | Mail Carrier | Illinois |
| 70 | Margaret Young | 54 | Wife | — | Northern Ireland |
| 71 | Palmer E. Young | 33 | Son | Heater | Pennsylvania |
| 72 | Margaret M. Young | 29 | Daughter | Matron | Pennsylvania |
| 73 | Estella M. Young | 29 | Daughter | Office Clerk | Pennsylvania |
| 74 | Andrew G. Young | 16 | Son | — | Pennsylvania |
| 75 | Jessie L. Young | 15 | Daughter | — | Pennsylvania |
| 76 | Alexander W. Young | 13 | Son | — | Pennsylvania |
| 77 | Martha J. Young | 11 | Daughter | — | Pennsylvania |
| 78 | Marshall W. Young | 22 | Head | Clerk | Pennsylvania |
| 79 | Vivian M. Young | 21 | Wife | — | Virginia |
| 80 | John D. Jr. Mcpherson | 39 | Head | Police Officer | Canada-English |
| 81 | Virginia A. Mcpherson | 43 | Wife | Agent | Virginia |
| 82 | Virginia A. Mcpherson | 13 | Daughter | — | Pennsylvania |
| 83 | John D. Iii Mcpherson | 4 | Son | — | Pennsylvania |
| 84 | John D. Mcpherson | 62 | Father | — | Scotland |
| 85 | James M. St. Vincent | 59 | Brother-in-law | Saleslady | New York |
| 86 | William J. Young | 44 | Head | Truck Driver | Pennsylvania |
| 87 | Edith R. Young | 24 | Wife | — | Pennsylvania |
| 88 | Kathryn A. Young | 5 | Daughter | — | Pennsylvania |
| 89 | Neal G. Young | 1 | Son | — | Pennsylvania |
| 90 | William J. Jr. Young | 0 | Son | — | Pennsylvania |
| 91 | Albert J. Hamilton | 48 | Head | Special Officer | Pennsylvania |
| 92 | Wilhelmina L. Hamilton | 59 | Wife | — | Estonia-German |
| 93 | William D. Hamilton | 16 | Son | — | Pennsylvania |
| 94 | Anna Bulna | 48 | Head | — | Czechoslovakia |
| 95 | James J. Bulna | 27 | Daughter | — | Pennsylvania |
| 96 | John G. Bulna | 25 | Son | — | Pennsylvania |
| 97 | Andrew Bulna | 21 | Son | Manager | Pennsylvania |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
Related Census Records
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)