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Margaret Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Margaret Gray across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Andrew & Robert — first a daughter (b.~1909), then head of a 9-person household.
Age 21
b. ~1909
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Gray |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Clerk |
| Industry | Transfer Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Etna Borough |
| Est. Birth Year | ~1909 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| William Hunter | Other | — | 40 | ~1890 |
| Margaret Gray | Daughter | — | 21 | ~1909 |
| Fred Hunter | Other | — | 67 | ~1863 |
| Ruth Gray | Daughter | — | 9 | ~1921 |
| Robert Gray | Head | — | 48 | ~1882 |
| John Gray | Son | — | 11 | ~1919 |
| Carl Gray | Son | — | 17 | ~1913 |
| Mildred Gray | Daughter | — | 20 | ~1910 |
| Anna Gray | Other | — | 47 | ~1883 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 1
Allegheny, Pennsylvania · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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
Daughter, age 11
Allegheny, Pennsylvania · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Prussia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 9 household members
| Surname | Gray |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Transfer Mfg |
| 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 Margaret Gray across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Andrew Gray (~0.92 confidence) and father Robert Gray (~0.92 confidence) and father William Gray (~0.92 confidence) and mother Elizabeth Gray (~0.92 confidence) and mother Sarah Gray (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Gray
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Robert Gray
b. ~1882
Source father
● Household
· direct · ~0.92
Father
William Gray
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Gray
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Sarah Gray
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Gray
Daughter · 1930 · age 21 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
John Gray
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Gray
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Gray
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Gray
Sibling · 1930 · age 9
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
49 people indexed on this census page (ia:1930:fifteenthcensus00reel1963:0850)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nicholas Tundla | 40 | Head | Machinist | Yugoslavia |
| 2 | Stephanie Tundla | 44 | Wife-H | — | Yugoslavia |
| 3 | Katherine Tundla | 6 | Daughter | — | Pennsylvania |
| 4 | Nicholas Tundla | 5 | Son | — | Pennsylvania |
| 5 | William Tundla | 2 | Son | — | Pennsylvania |
| 6 | Bertha Orms | 52 | Head | — | Pennsylvania |
| 7 | Gilbert Orms | 27 | Son | Laborer | Pennsylvania |
| 8 | Gertrude Orms | 17 | Daughter | — | Pennsylvania |
| 9 | Howard Orms | 15 | Son | — | Pennsylvania |
| 10 | William Orms | 12 | Son | — | Pennsylvania |
| 11 | Charles Orms | 10 | Son | — | Pennsylvania |
| 12 | Margaret Orms | 8 | Daughter | — | Pennsylvania |
| 13 | Edna Lacey | 29 | Daughter | Waitress | Pennsylvania |
| 14 | Marilyn Lacey | 1 | Daughter | — | Pennsylvania |
| 15 | Doris Lacey | 4 | Daughter | — | Pennsylvania |
| 16 | Charles Lacey | 7 | Son | — | Pennsylvania |
| 17 | John Beller | 45 | Head | Laborer | Hungary |
| 18 | Anthony Beller | 48 | Lodger | Laborer | Hungary |
| 19 | John Draposak | 44 | Head | Mach Operator | Austria |
| 20 | Frances Draposak | 38 | Wife-H | — | Austria |
| 21 | Frances Draposak | 15 | Daughter | — | Pennsylvania |
| 22 | Paul Gajdos | 41 | Head | Laborer | Czechoslovakia |
| 23 | Mary Gajdos | 39 | Wife-H | — | Czechoslovakia |
| 24 | Stephen Gajdos | 16 | Son | Delivery Clerk | Pennsylvania |
| 25 | Margaret Gajdos | 14 | Daughter | — | Pennsylvania |
| 26 | William Gajdos | 12 | Son | — | Pennsylvania |
| 27 | Emma Gajdos | 11 | Daughter | — | Pennsylvania |
| 28 | Marshall Gajdos | 7 | Son | — | Pennsylvania |
| 29 | Alice Gajdos | 6 | Daughter | — | Pennsylvania |
| 30 | Mildred Gajdos | 4 | Daughter | — | Pennsylvania |
| 31 | Eugene Gajdos | 2 | Son | — | Pennsylvania |
| 32 | Charles A. Taller | 41 | Head | Truck Driver | Pennsylvania |
| 33 | Catherine Taller | 21 | Wife-H | — | Pennsylvania |
| 34 | Joseph Taller | 1 | Son | — | Pennsylvania |
| 35 | Alice Taller | 0 | Daughter | — | Pennsylvania |
| 36 | Robert Gray | 48 | Head | Janitor | Pennsylvania |
| 37 | Anna Gray | 47 | Wife-H | — | Pennsylvania |
| 38 | Margaret Gray THIS PERSON | 21 | Daughter | Clerk | Pennsylvania |
| 39 | Mildred Gray | 20 | Daughter | Typist | Pennsylvania |
| 40 | Carl Gray | 17 | Son | — | Pennsylvania |
| 41 | John Gray | 11 | Son | — | Pennsylvania |
| 42 | Ruth Gray | 9 | Daughter | — | Pennsylvania |
| 43 | Fred Hunter | 67 | Father-in-law | — | Germany |
| 44 | William Hunter | 40 | Brother-in-law | Clerk | Pennsylvania |
| 45 | Conrad Nolan | 70 | Head | Laborer | Pennsylvania |
| 46 | Katherine Nolan | 61 | Wife-H | — | Pennsylvania |
| 47 | Clark Nolan | 40 | Son | Laborer | Pennsylvania |
| 48 | Mary Nolan | 22 | Daughter | — | Pennsylvania |
| 49 | Mary Dougherty | 61 | Head-H | — | Pennsylvania |
Pedigree Summary
Margaret + 4 siblings
Gen 1 · 5 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)