RG
Richard Graham — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Richard Graham across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 6-person household.
Age 55
b. ~1875
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Graham |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | North Ireland |
| Additional Details | |
| Occupation | Salesman |
| Industry | Groceries |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Dormont Borough Part Of |
| Est. Birth Year | ~1875 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Edward Graham | Son | — | 19 | ~1911 |
| Sarah Graham | Daughter | — | 18 | ~1912 |
| Richard Graham | Son | — | 13 | ~1917 |
| Richard Graham | Head | — | 55 | ~1875 |
| Philip Graham | Son | — | 21 | ~1909 |
| Katherine Graham | Spouse | — | 53 | ~1877 |
Census Appearances
1930
Allegheny, Pennsylvania
Head, age 55
Allegheny, Pennsylvania · implied b. ~1875 — 6 household members
| Surname | Graham |
| Given Name | Richard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 31 |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | North Ireland |
| Occupation | Salesman |
| Industry | Groceries |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Other, age 68
Allegheny-County, Pennsylvania · implied b. ~1872 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Richard |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Salesman |
| Industry | Retail Dairy |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Richard Graham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Graham
Head · 1930 · age 55 · b. ~1875 · Pennsylvania
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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:fifteenthcensus00reel1962:0508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Mynotti | 65 | Lodger | Manager | New York |
| 2 | Ortis | 10 | Lodger | — | Pennsylvania |
| 3 | George Thrig | 56 | Head | — | Pennsylvania |
| 4 | Gertrude Thrig | 50 | Wife | — | Pennsylvania |
| 5 | George Thrig | 27 | Son | Clerk | Pennsylvania |
| 6 | Margaret Gorman | 35 | Head | — | Pennsylvania |
| 7 | Herbert J. Gorman | 31 | Brother | Civil Engineer | Pennsylvania |
| 8 | Roberta Gorman | 32 | Sister | Colorist | Pennsylvania |
| 9 | Joseph H. Lohrustopherson | 30 | Head | Driller | Pennsylvania |
| 10 | Mildred Lohrustopherson | 27 | Wife | — | Kentucky |
| 11 | Roger Lohrustopherson | 2 | Son | — | Pennsylvania |
| 12 | W. J. Blackwood | 25 | Head | Asst. Manager | Pennsylvania |
| 13 | Lucille Blackwood | 26 | Wife | — | New York |
| 14 | Patricia Blackwood | 2 | Daughter | — | Pennsylvania |
| 15 | August Kuehner | 61 | Head | Barber | Pennsylvania |
| 16 | Mina Kuehner | 63 | Wife | — | Pennsylvania |
| 17 | Lulu Kuehner | 6 | Daughter | Laborer | Pennsylvania |
| 18 | Clarence B. Wiemers | 29 | Head | Mechanic | Pennsylvania |
| 19 | Kathryn Wiemers | 27 | Wife | — | Pennsylvania |
| 20 | Robert B. Wiemers | 3 | Son | — | Pennsylvania |
| 21 | William P. Matyjasovicz | 30 | Head | Proprietor | Pennsylvania |
| 22 | Florence Matyjasovicz | 28 | Wife | — | Pennsylvania |
| 23 | Virginia Matyjasovicz | 5 | Daughter | — | Pennsylvania |
| 24 | Florence Matyjasovicz | 3 | Daughter | — | Pennsylvania |
| 25 | William Matyjasovicz | 1 | Son | — | Pennsylvania |
| 26 | John Matyjasovicz | 63 | Father | — | Hungary |
| 27 | Harry Price | 52 | Head | Manager | Ohio |
| 28 | Grace R. Price | 54 | Wife | Manager | Pennsylvania |
| 29 | Geneva Price | 24 | Daughter | — | Ohio |
| 30 | Louise Price | 13 | Daughter | — | Ohio |
| 31 | Herman Schwabedissen | 54 | Head | Cook | Germany |
| 32 | Sarah J. Schwabedissen | 54 | Wife | — | Pennsylvania |
| 33 | Nellie Schwabedissen | 20 | Daughter | Stenographer | Pennsylvania |
| 34 | Myrtle Schwabedissen | 10 | Daughter | — | Pennsylvania |
| 35 | William T. Brown | 33 | Head | Salesman | Maryland |
| 36 | Nora E. Brown | 37 | Wife | — | Pennsylvania |
| 37 | Katherine Brown | 9 | Daughter | — | Pennsylvania |
| 38 | Janet S. Brown | 4 | Daughter | — | Pennsylvania |
| 39 | Richard Graham THIS PERSON | 55 | Head | Salesman | Pennsylvania |
| 40 | Katherine Graham | 53 | Wife | — | Pennsylvania |
| 41 | Philip Graham | 21 | Son | Salesman | Pennsylvania |
| 42 | Edward S. Graham | 19 | Son | Clerk | Pennsylvania |
| 43 | Sarah J. Graham | 18 | Daughter | Stenographer | Pennsylvania |
| 44 | Richard J. Graham | 13 | Son | — | Pennsylvania |
| 45 | Milton S. Cowan | 63 | Head | Baggage Master | Pennsylvania |
| 46 | Warren Cowan | 25 | Son | Draftsman | Pennsylvania |
| 47 | Clara De Weese | 50 | High School | Teacher | Pennsylvania |
| 48 | Deborah De Weese | 48 | High School | Teacher | Pennsylvania |
| 49 | Harry G. Williams | 59 | Head | Saleslady | Ohio |
| 50 | Almira C. Williams | 52 | Wife | Stenographer | Pennsylvania |
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)