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John Macdonald — 1930 US Census Record
Model Tree available1930 United States Federal Census · Warren, Pennsylvania
Our Model Tree links this John Macdonald across the 1920, 1930 and 1940 US Censuses in Warren, Pennsylvania (XGBoost, ~Confirmed), with identified parents Earle & Earl — first a son (b.~1918), then head of a 5-person household.
Age 12
b. ~1918
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Warren, Pennsylvania |
| Surname | MacDonald |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Student |
| Township / Ward | Warren Borough |
| Est. Birth Year | ~1918 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Leslie Macdonald | Daughter | — | 21 | ~1909 |
| Lucy Macdonald | Spouse | — | 46 | ~1884 |
| John Macdonald | Son | — | 12 | ~1918 |
| Earle Macdonald | Head | — | 52 | ~1878 |
| Sarah Macdonald | Daughter | — | 10 | ~1920 |
Census Appearances
1920
Warren, Pennsylvania
Son, age 2
Warren, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Warren, Pennsylvania
Son, age 12
Warren, Pennsylvania · implied b. ~1918 — 5 household members
| Surname | MacDonald |
| Given Name | John G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Student |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Warren-County, Pennsylvania
Other, age 22
Warren-County, Pennsylvania · implied b. ~1918 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | John G |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Warren borough |
| 1935 Residence (County) | Warren |
| Occupation | Stenographer |
| Industry | Oil Refinery |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 236 |
| Highest Grade | H-4 |
| 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 John Macdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earle Macdonald (~0.92 confidence) and father Earl Mcdonald (~0.92 confidence) and mother Lucy Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earle Macdonald
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Earl Mcdonald
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Lucy Mcdonald
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Macdonald
Son · 1930 · age 12 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Leslie Macdonald
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Macdonald
Sibling · 1930 · age 10
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 — Warren, Pennsylvania
Open full size
1930 US Federal Census — Warren, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2154:0058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph Jr. Gaughan | 14 | Son | Student | Pennsylvania |
| 52 | Orr Ingle | 61 | Head | — | Pennsylvania |
| 53 | Frank H. Wyman | 74 | Head | Pattern Maker | Pennsylvania |
| 54 | Mary L. Wyman | 59 | Wife | — | Pennsylvania |
| 55 | Michael H. Bernhart | 31 | Head | Assistant Manager | Pennsylvania |
| 56 | Gertrude Bernhart | 28 | Wife | — | Pennsylvania |
| 57 | Edward Bernhart | 6 | Son | — | Pennsylvania |
| 58 | Ned B. Carey | 28 | Head | Teacher | New York |
| 59 | Onyalee Carey | 22 | Wife | — | New York |
| 60 | Solomon Peterson | 80 | Head | Laborer | Sweden |
| 61 | Emily Peterson | 35 | Daughter | Book Keeper | Pennsylvania |
| 62 | Charles W. Arird | 63 | Head | Salesman | Pennsylvania |
| 63 | Mary M. Arird | 55 | Wife | — | New York |
| 64 | Vera A. Cochran | 31 | Daughter | — | Pennsylvania |
| 65 | Charles J. Cochran | 7 | Grandson | — | Pennsylvania |
| 66 | Stephen Alfred Cochran | 60 | Son-in-law | — | New York |
| 67 | Ina P. Parsons | 50 | Head | Sales Lady | Pennsylvania |
| 68 | Georgia E. Parsons | 26 | Daughter | Teacher | Pennsylvania |
| 69 | Helen R. Parsons | 24 | Daughter | Book Keeper | Pennsylvania |
| 70 | Claude A. Nichols | 54 | Head | Jeweler | New York |
| 71 | Beulah G. Nichols | 45 | Wife | — | Pennsylvania |
| 72 | Mary J. Nichols | 18 | Daughter | Student | Pennsylvania |
| 73 | John W. Lesher | 10 | Son-in-law | Student | New York |
| 74 | William H. Frederick | 29 | Head | Janitor | Maryland |
| 75 | Iryma Frederick | 29 | Wife | — | Maryland |
| 76 | William Jr. Frederick | 5 | Son | — | Pennsylvania |
| 77 | Wilbert R. Loree | 41 | Head | Driver | Pennsylvania |
| 78 | Mabel E. Loree | 29 | Wife | — | Pennsylvania |
| 79 | Irene P. Loree | 13 | Daughter | Student | Pennsylvania |
| 80 | Jane P. Loree | 12 | Daughter | Student | Pennsylvania |
| 81 | Frederick E. Windahl | 53 | Head | Merchant | Pennsylvania |
| 82 | Edith P. Windahl | 51 | Wife | — | Pennsylvania |
| 83 | Nicholas P. Windahl | 23 | Son | Student | Pennsylvania |
| 84 | Delford W. Windahl | 16 | Son | Student | Colorado |
| 85 | Frederick Jr. Windahl | 11 | Son | Student | Pennsylvania |
| 86 | William A. Arnold | 25 | Roomer | Salesman | Illinois |
| 87 | Earle V. Macdonald | 52 | Head | Attorney | Pennsylvania |
| 88 | Lucy G. Macdonald | 46 | Wife | — | Pennsylvania |
| 89 | Leslie J. Macdonald | 21 | Daughter | — | Pennsylvania |
| 90 | John G. Macdonald THIS PERSON | 12 | Son | Student | Pennsylvania |
| 91 | Sarah M. Macdonald | 10 | Daughter | Student | Pennsylvania |
| 92 | Samuel J. Matters | 66 | Head | Superintendent | Canada |
| 93 | Ella Matters | 33 | Wife | — | Pennsylvania |
| 94 | Victoria Matters | 23 | Adopted Daughter | Sales Lady | Canada |
| 95 | John M. Sonne | 58 | Head | Asst. Cashier | Pennsylvania |
| 96 | Minnie W. Sonne | 55 | Wife | — | Pennsylvania |
| 97 | Marion M. Sonne | 24 | Daughter | Teacher | Pennsylvania |
| 98 | Harold A. Ross | 47 | Head | Agent | Pennsylvania |
| 99 | Maud C. Ross | 47 | Wife | — | Pennsylvania |
| 100 | Geraldine Ross | 14 | Daughter | Student | Pennsylvania |
Pedigree Summary
John + 2 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)