DR
Dorothy Richardson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Dorothy Richardson across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Female
Daughter
Born: New York
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Richardson |
| Given Name | Dorothy J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Mt Oliver 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Richardson | Daughter | — | 21 | ~1909 |
| Roland Richardson | Son | — | 24 | ~1906 |
| Raymond Richardson | Son | — | 25 | ~1905 |
| John Richardson | Head | — | 64 | ~1866 |
| Ella Richardson | Other | — | 58 | ~1872 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 1
Allegheny, Pennsylvania · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Dorothy A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Allegheny, Pennsylvania
Daughter, age 11
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Allegheny, Pennsylvania
Daughter, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
| Surname | Richardson |
| Given Name | Dorothy J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Richardson across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father John Richardson (~0.92 confidence) and father John Richardson (~0.92 confidence) and father John Richardson (~0.92 confidence) and mother Ella Richardson (~0.92 confidence) and mother Mary Richardson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Richardson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
John Richardson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
John Richardson
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Ella Richardson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Mary Richardson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Richardson
Daughter · 1930 · age 21 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
Roland Richardson
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Richardson
Sibling · 1930 · age 25
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:fifteenthcensus00reel1966:0502)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nellie M Buckley | 36 | Head | Stenographer | Pennsylvania |
| 2 | Lizzie Casperine | 34 | Sister | — | Pennsylvania |
| 3 | Charles O Peterson | 55 | Head | Melting Steel | Sweden |
| 4 | Christina Peterson | 55 | Wife-H | — | Sweden |
| 5 | Leonard C Mosbacher | 74 | Head | — | Germany |
| 6 | Catherine Mosbacher | 68 | Wife-H | — | Alsace Lorraine |
| 7 | John Grebner | 41 | Son-in-law | Laborer | Germany |
| 8 | Frances Grebner | 34 | Daughter | — | Pennsylvania |
| 9 | Albert L Wagner | 36 | Head | Motorman | Pennsylvania |
| 10 | Lillian Wagner | 36 | Wife-H | — | Pennsylvania |
| 11 | Ruth M Wagner | 9 | Daughter | — | Pennsylvania |
| 12 | Walter S Wagner | 5 | Son | — | Pennsylvania |
| 13 | Frederick Stande | 65 | Father-in-law | — | Germany |
| 14 | Lillian Stande | 59 | Mother-in-law | — | Pennsylvania |
| 15 | Elias Robbins | 79 | Head | Contracting | Pennsylvania |
| 16 | Sarah A Robbins | 71 | Wife-H | — | England |
| 17 | Mae Robbins | 45 | Daughter | Seamstress | Pennsylvania |
| 18 | William G Pope | 49 | Nephew | Fireman | Pennsylvania |
| 19 | John K Winfield | 59 | Head | Supt. Of Mailing | Pennsylvania |
| 20 | Martha A Winfield | 58 | Wife-H | — | Pennsylvania |
| 21 | Paul A Suelpire | 42 | Cousin | Salesman | Pennsylvania |
| 22 | John F Richardson | 64 | Head | Odd Jobs | New York |
| 23 | Ella V Richardson | 58 | Wife-H | — | New York |
| 24 | Raymond J Richardson | 25 | Son | Helper | Pennsylvania |
| 25 | Roland A Richardson | 24 | Son | Helper | Pennsylvania |
| 26 | Dorothy J Richardson THIS PERSON | 21 | Daughter | — | New York |
| 27 | Paul Homann | 40 | Head | Manager | Pennsylvania |
| 28 | Esther Homann | 39 | Wife-H | — | Pennsylvania |
| 29 | Esther P Homann | 13 | Daughter | — | Pennsylvania |
| 30 | Jane Moore | 60 | Head | — | Pennsylvania |
| 31 | William Moore | 31 | Son | Laborer | Pennsylvania |
| 32 | John Moore | 29 | Son | Laborer | Pennsylvania |
| 33 | Jennie Moore | 24 | Daughter | Operator | Pennsylvania |
| 34 | Elizabeth Moore | 25 | Daughter | Wrapper | Pennsylvania |
| 35 | Edward Geifer | 36 | Head | Laborer | Pennsylvania |
| 36 | Hulda Geifer | 32 | Wife-H | — | Pennsylvania |
| 37 | Donald Geifer | 6 | Son | — | Pennsylvania |
| 38 | Raymond Geifer | 5 | Son | — | Pennsylvania |
| 39 | Emma Watt | 61 | Mother-in-law | — | Pennsylvania |
| 40 | William J Fisher | 59 | Head | Engineer | Pennsylvania |
| 41 | Anna M Fisher | 58 | Wife-H | — | Pennsylvania |
| 42 | Homer E Fisher | 26 | Son | Salesman | Pennsylvania |
| 43 | Albert J Fisher | 15 | Son | — | Pennsylvania |
| 44 | Rachel Eggers | 81 | Mother-in-law | — | Germany |
| 45 | Ray C Redman | 34 | Head | Pullman Conductor | Pennsylvania |
| 46 | Althea A Redman | 34 | Wife-H | — | Pennsylvania |
| 47 | Louis J Redman | 14 | Son | — | Pennsylvania |
| 48 | Ray C Jr Redman | 10 | Son | — | Pennsylvania |
| 49 | Louis G Zimmerman | 22 | Son-in-law | Night Watchman | Pennsylvania |
| 50 | Amelia M Zimmerman | 65 | Daughter | — | Pennsylvania |
Pedigree Summary
Dorothy + 2 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)