RM
Robert Mcdonald — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Robert Mcdonald across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 14-person household.
Age 14
b. ~1916
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | McDonald |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Italy |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | City Of Pittsburgh |
| Est. Birth Year | ~1916 |
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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Catherine Mcdonald | Daughter | — | 11 | ~1919 |
| Arlene Mcdonald | Daughter | — | 5 | ~1925 |
| Viola Mcdonald | Daughter | — | 17 | ~1913 |
| William Mcdonald | Daughter | — | 7 | ~1923 |
| Margaret Mcdonald | Daughter | — | 19 | ~1911 |
| Dorothy Mcdonald | Daughter | — | 1 | ~1929 |
| Charles Mcdonald | Head | — | 50 | ~1880 |
| Irene Mcdonald | Other | — | 22 | ~1908 |
| Robert Mcdonald | Son | — | 14 | ~1916 |
| John Mcdonald | Son | — | 3 | ~1927 |
| Thomas Mcdonald | Son | — | 25 | ~1905 |
| Harry Mcdonald | Son | — | 13 | ~1917 |
| William Mcdonald | Son | — | 9 | ~1921 |
| Mary Mcdonald | Spouse | — | 45 | ~1885 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 14 household members
| Surname | McDonald |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Donald |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Crestas |
| 1935 Residence (County) | Allegheny |
| Occupation | Truck driver |
| Industry | Freight haul |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 140 |
| Highest Grade | Hs 3 |
| 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 Robert Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mcdonald
Son · 1930 · age 14 · b. ~1916 · Pennsylvania
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Sibling
Dorothy Mcdonald
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Mcdonald
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcdonald
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcdonald
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Mcdonald
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcdonald
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcdonald
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcdonald
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mcdonald
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arlene Mcdonald
Sibling · 1930 · age 5
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:fifteenthcensus00reel1983:0491)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William F. Myers | 30 | Head | Car Repairer | Pennsylvania |
| 2 | Regina H. Myers | 25 | Wife | — | Pennsylvania |
| 3 | William Myers | 7 | Son | — | Pennsylvania |
| 4 | Betty R. Myers | 5 | Daughter | — | Pennsylvania |
| 5 | John H. Myers | 3 | Son | — | Pennsylvania |
| 6 | Robert H. Myers | 1 | Son | — | Pennsylvania |
| 7 | Paul R. Myers | 0 | Son | — | Pennsylvania |
| 8 | Charles Mcdonald | 50 | Head | Car Repairer | Pennsylvania |
| 9 | Mary H. Mcdonald | 45 | Wife | — | Italy |
| 10 | Thomas A. Mcdonald | 25 | Son | Truck Driver | Pennsylvania |
| 11 | Margaret Mcdonald | 19 | Daughter | Saleslady | Pennsylvania |
| 12 | Viola M. Mcdonald | 17 | Daughter | Laborer | Pennsylvania |
| 13 | Robert Mcdonald THIS PERSON | 14 | Son | — | Pennsylvania |
| 14 | Harry Mcdonald | 13 | Son | — | Pennsylvania |
| 15 | Catherine Mcdonald | 11 | Daughter | — | Pennsylvania |
| 16 | William Mcdonald | 9 | Son | — | Pennsylvania |
| 17 | William Mcdonald | 7 | Daughter | — | Pennsylvania |
| 18 | Arlene Mcdonald | 5 | Daughter | — | Pennsylvania |
| 19 | John Mcdonald | 3 | Son | — | Pennsylvania |
| 20 | Dorothy T. Mcdonald | 1 | Daughter | — | Pennsylvania |
| 21 | Irene Mcdonald | 22 | Daughter-in-law | — | Pennsylvania |
| 22 | Frank E. Wolf | 24 | Head | Repairman | Pennsylvania |
| 23 | Irene H. Wolf | 21 | Wife | Laborer | Pennsylvania |
| 24 | Frank E. Jr. Wolf | 2 | Son | — | Pennsylvania |
| 25 | Joseph Cler | 52 | Head | Watchman | Pennsylvania |
| 26 | Anna M. Cler | 52 | Wife | — | Pennsylvania |
| 27 | Matthew Cler | 26 | Son | Chauffeur | Pennsylvania |
| 28 | Arthur W. Cler | 19 | Son | Laborer | Pennsylvania |
| 29 | Cecelia D. Cler | 19 | Daughter | Saleslady | Pennsylvania |
| 30 | Louise A. Cler | 15 | Daughter | Servant | Pennsylvania |
| 31 | Hazel R. Cler | 12 | Daughter | — | Pennsylvania |
| 32 | Anna J. Cler | 9 | Daughter | — | Pennsylvania |
| 33 | Frank Buttalaek | 45 | Head | Car Repairer | Pennsylvania |
| 34 | Josephine Buttalaek | 45 | Wife | — | Pennsylvania |
| 35 | Albert F. Buttalaek | 20 | Son | — | Pennsylvania |
| 36 | Johanna Stiddle | 57 | Sister-in-law | — | Germany |
| 37 | Joseph Kleman | 69 | Head | — | Germany |
| 38 | Barbara Kleman | 59 | Wife | — | Germany |
| 39 | Florence Kleman | 21 | Daughter | Stenographer | Pennsylvania |
| 40 | Elizabeth Kleman | 19 | Daughter | Bookkeeper | Pennsylvania |
| 41 | George A. Smith | 34 | Head | Chauffeur | Pennsylvania |
| 42 | Ruth M. Smith | 32 | Wife | — | Pennsylvania |
| 43 | George F. Smith | 12 | Son | — | Pennsylvania |
| 44 | Edward J. Smith | 10 | Son | — | Pennsylvania |
| 45 | Mary L. Smith | 8 | Daughter | — | Pennsylvania |
| 46 | Richard A. Smith | 6 | Son | — | Pennsylvania |
| 47 | Ruth M. Smith | 2 | Daughter | — | Pennsylvania |
| 48 | Raymond Smith | 59 | Brother | Inspector | Pennsylvania |
| 49 | Fred L. Collier | 23 | Boarder | Painter | Pennsylvania |
| 50 | Irene R. Collier | 21 | Sister-in-law | — | 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)