DG
Dorothy Graham — 1930 US Census Record
Model Tree available1930 United States Federal Census · Blair, Pennsylvania
Our Model Tree links this Dorothy Graham across the 1910, 1920 and 1930 US Censuses in Blair, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a daughter (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Blair, Pennsylvania |
| Surname | Graham |
| Given Name | Dorothy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Saleslady |
| Industry | Department store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Saleslady |
| Township / Ward | City Of Altoona |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| David Graham | Son | — | 22 | ~1908 |
| Harry Graham | Head | — | 49 | ~1881 |
| Nellie Graham | Other | — | 51 | ~1879 |
| Dorothy Graham | Daughter | — | 20 | ~1910 |
| Donald Graham | Son | — | 17 | ~1913 |
| Ruth Graham | Daughter | — | 11 | ~1919 |
| Emily Graham | Daughter | — | 13 | ~1917 |
Census Appearances
1910
Blair, Pennsylvania
Daughter, age
Blair, Pennsylvania · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Dorsey A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Blair, Pennsylvania
Daughter, age 10
Blair, Pennsylvania · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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
Blair, Pennsylvania
Daughter, age 20
Blair, Pennsylvania · implied b. ~1910 — 7 household members
| Surname | Graham |
| Given Name | Dorothy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Saleslady |
| Industry | Department store |
| 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 Dorothy Graham across 3 US Census years (1910, 1920 and 1930) in Blair, Pennsylvania, using XGBoost record linkage. Identified parents: father Harry Graham (~0.92 confidence) and father Harry Graham (~0.92 confidence) and mother Nellie Graham (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Graham
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Harry Graham
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Nellie Graham
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Graham
Daughter · 1930 · age 20 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Ruth Graham
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Graham
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Graham
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emily Graham
Sibling · 1930 · age 13
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 — Blair, Pennsylvania
Open full size
1930 US Federal Census — Blair, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2005:0367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry Graham | 49 | Head | Janitor | Pennsylvania |
| 52 | Nellie Graham | 51 | Wife-H | None | Pennsylvania |
| 53 | David A Graham | 22 | Son | Mechanic Helper | Pennsylvania |
| 54 | Dorothy A Graham THIS PERSON | 20 | Daughter | Saleslady | Pennsylvania |
| 55 | Donald E Graham | 17 | Son | None | Pennsylvania |
| 56 | Emily L Graham | 13 | Daughter | None | Pennsylvania |
| 57 | Ruth E Graham | 11 | Daughter | None | Pennsylvania |
| 58 | Paul Ult | 19 | Head | Sheet Metal Worker | Pennsylvania |
| 59 | Violet Ult | 19 | Wife-H | None | Pennsylvania |
| 60 | Myra J Ult | 0 | Daughter | None | Pennsylvania |
| 61 | William D Vanetta | 51 | Head | Machinist | Pennsylvania |
| 62 | Minnie A Vanetta | 52 | Wife-H | None | Pennsylvania |
| 63 | Annie Waugaman | 61 | Head | Lining | Pennsylvania |
| 64 | James A Irons | 29 | Head | Machinist | Pennsylvania |
| 65 | Lillian J Irons | 31 | Wife-H | None | Pennsylvania |
| 66 | Eugene A Irons | 9 | Son | None | Pennsylvania |
| 67 | Florine A Irons | 6 | Daughter | None | Pennsylvania |
| 68 | James S Irons | 2 | Son | None | Pennsylvania |
| 69 | Arta L Irons | 0 | Daughter | None | Pennsylvania |
| 70 | William Stone | 29 | Head | Clerk | Pennsylvania |
| 71 | Mercedes Stone | 29 | Wife-H | None | Pennsylvania |
| 72 | Jo Alice Stone | 8 | Daughter | None | Pennsylvania |
| 73 | William J Stone | 5 | Son | None | Pennsylvania |
| 74 | Richard E Stone | 4 | Son | None | Pennsylvania |
| 75 | Vincent S Stone | 1 | Son | None | Pennsylvania |
| 76 | Joseph Starner | 48 | Head | Laborer | Pennsylvania |
| 77 | Anna Starner | 50 | Wife-H | None | Pennsylvania |
| 78 | Joseph Starner | 11 | Son | None | Pennsylvania |
| 79 | Anna L Mcdermot | 39 | Lodger | None | Pennsylvania |
| 80 | Walter Wentz | 25 | Head | Car Repairman | Pennsylvania |
| 81 | Violet Wentz | 19 | Wife-H | None | Pennsylvania |
| 82 | Violet M Wentz | 2 | Daughter | None | Pennsylvania |
| 83 | Alma Wentz | 0 | Daughter | None | Pennsylvania |
| 84 | William A Ayotte | 55 | Head | Painter & Paper Hanger | Pennsylvania |
| 85 | Margaret Ayotte | 59 | Wife-H | None | Pennsylvania |
| 86 | William Haines | 37 | Head | Car Repairman | Pennsylvania |
| 87 | Elizabeth Haines | 34 | Wife-H | None | Pennsylvania |
| 88 | William Haines | 8 | Son | None | Pennsylvania |
| 89 | Alice Shumaker | 60 | Head | None | Pennsylvania |
| 90 | Walter Shumaker | 21 | Son | Laborer | Pennsylvania |
| 91 | Dorothy Hasson | 19 | Granddaughter | None | Pennsylvania |
| 92 | Joseph Clarkson | 56 | Head | Machinist | England |
| 93 | Martha Clarkson | 50 | Wife-H | None | Pennsylvania |
| 94 | John D Kauffman | 61 | Head | Fireman | Pennsylvania |
| 95 | Mary E Kauffman | 61 | Wife-H | None | Pennsylvania |
| 96 | Marian E Kauffman | 22 | Daughter | Teacher | Pennsylvania |
| 97 | Evelyn B Kauffman | 24 | Daughter | None | Pennsylvania |
| 98 | Thomas Read | 28 | Head | Boilermaker | Pennsylvania |
| 99 | Marie Read | 27 | Wife-H | None | Pennsylvania |
| 100 | Richard Read | 4 | Son | None | Pennsylvania |
Pedigree Summary
Dorothy + 4 siblings
Gen 1 · 3 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)