DJ
Dorothy Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Blair, Pennsylvania
Our Model Tree links this Dorothy Johnson across the 1910, 1920 and 1930 US Censuses in Blair, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1908), then head of a 3-person household.
Age 22
b. ~1908
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Blair, Pennsylvania |
| Surname | Johnson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Chemical works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Antis Township |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Johnson | Daughter | — | 22 | ~1908 |
| Sarah Johnson | Head | — | 63 | ~1867 |
| William Johnson | Son | — | 43 | ~1887 |
Census Appearances
1910
Blair, Pennsylvania
Daughter, age 1
Blair, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Dorothy E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Blair, Pennsylvania
Daughter, age 11
Blair, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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 22
Blair, Pennsylvania · implied b. ~1908 — 3 household members
| Surname | Johnson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Chemical works |
| 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 Johnson across 3 US Census years (1910, 1920 and 1930) in Blair, Pennsylvania, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Sarah Johnson (~0.92 confidence) and mother Sarah Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Sarah Johnson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Sarah Johnson
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Johnson
Daughter · 1930 · age 22 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
William Johnson
Sibling · 1930 · age 43
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:fifteenthcensus00reel2003:0647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dorothy M Yingling | 21 | Daughter | — | Pennsylvania |
| 52 | William R Jr Yingling | 1 | Son | — | Pennsylvania |
| 53 | Elmer Igon | 65 | Head | Farmer | Pennsylvania |
| 54 | Allen Igon | 68 | Brother | Laborer | Pennsylvania |
| 55 | Alfred Cherry | 66 | Head | Farmer | Pennsylvania |
| 56 | Alberda Cherry | 61 | Wife-H | — | Pennsylvania |
| 57 | Pauline Cherry | 30 | Daughter | — | Pennsylvania |
| 58 | Frank Singleton | 28 | Head | Merchant | Pennsylvania |
| 59 | Edward E Post | 52 | Head | Farmer | Pennsylvania |
| 60 | Dora Post | 51 | Wife-H | — | Pennsylvania |
| 61 | Paul Williams | 19 | Son | Coil Winding | Pennsylvania |
| 62 | Edna Williams | 19 | Daughter | — | Pennsylvania |
| 63 | Darling Williams | 15 | Daughter | — | Pennsylvania |
| 64 | Sarah Johnson | 63 | Head | — | Pennsylvania |
| 65 | William T Johnson | 43 | Son | Asst Foreman | Pennsylvania |
| 66 | Dorothy Johnson THIS PERSON | 22 | Daughter | Laborer | Pennsylvania |
| 67 | Samuel Shiryu | 59 | Head | Laborer | Czechoslovakia |
| 68 | Amos Kephart | 30 | Head | Laborer | Pennsylvania |
| 69 | Helen Kephart | 27 | Wife-H | — | Pennsylvania |
| 70 | Violetta Kephart | 8 | Daughter | — | Pennsylvania |
| 71 | Emily Kephart | 6 | Daughter | — | Pennsylvania |
| 72 | Harry E Kephart | 5 | Son | — | Pennsylvania |
| 73 | Albert Kephart | 1 | Son | — | Pennsylvania |
| 74 | Clair Kephart | 22 | Brother | Laborer | Pennsylvania |
| 75 | Blanche Greene | 43 | Head | Day Work | Pennsylvania |
| 76 | John Greene | 18 | Son | — | Pennsylvania |
| 77 | Anna Greene | 16 | Daughter | — | Pennsylvania |
| 78 | James Greene | 15 | Son | — | Pennsylvania |
| 79 | Edward Greene | 13 | Son | — | Pennsylvania |
| 80 | Elmer Greene | 12 | Son | — | Pennsylvania |
| 81 | Allen Greene | 10 | Son | — | Pennsylvania |
| 82 | Robert Greene | 7 | Son | — | Pennsylvania |
| 83 | Virginia Greene | 6 | Daughter | — | Pennsylvania |
| 84 | Helen Ricker | 19 | Daughter | — | Pennsylvania |
| 85 | Chalmer Ricker | 1 | Son-in-law | — | Pennsylvania |
| 86 | Ellsworth Edmiston | 27 | Head | Laborer | Pennsylvania |
| 87 | Maude Edmiston | 35 | Wife-H | — | Pennsylvania |
| 88 | Clayton H Edmiston | 11 | Son | — | Pennsylvania |
| 89 | Paul R Edmiston | 7 | Son | — | Pennsylvania |
| 90 | Doris Edmiston | 5 | Daughter | — | Pennsylvania |
| 91 | Henry L Harpster | 79 | Boarder | Retired | Pennsylvania |
| 92 | Bishop T Taylor | 30 | Head | Machinist | Pennsylvania |
| 93 | Mabel Taylor | 24 | Wife-H | — | Pennsylvania |
| 94 | Harry E Taylor | 6 | Son | — | Pennsylvania |
| 95 | Elda M Taylor | 4 | Daughter | — | Pennsylvania |
| 96 | Bertha Taylor | 2 | Daughter | — | Pennsylvania |
| 97 | William M Miller | 56 | Head | Salesman | Pennsylvania |
| 98 | Rena R Miller | 52 | Wife-H | — | Pennsylvania |
| 99 | Ambrose R Miller | 23 | Son | Truck Driver | Pennsylvania |
| 100 | Clarence S Miller | 21 | Son | Acet Welder | Pennsylvania |
Pedigree Summary
Dorothy + 1 sibling
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)