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John Donahue — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Donahue across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Adelaide — first a son (b.~1913), then head of a 4-person household.
Age 17
b. ~1913
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Donahue | Daughter | — | 18 | ~1912 |
| John Donahue | Head | — | 43 | ~1887 |
| John Donahue | Son | — | 17 | ~1913 |
| Margaret Donahue | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 17
Philadelphia, Pennsylvania · implied b. ~1913 — 4 household members
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Head, age 27
Philadelphia-County, Pennsylvania · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohue |
| Given Name | John A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Super Blue Print |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | Hs 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 Donahue across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Donahue (~0.92 confidence) and mother Adelaide Donahue (~0.92 confidence) and father John Donahue (~0.92 confidence) and mother Margaret Donahue (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Donahue
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Adelaide Donahue
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
John Donahue
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Margaret Donahue
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Donahue
Son · 1930 · age 17 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Mary Donahue
Sibling · 1930 · age 18
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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2115:0329)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest Friday | 42 | Head | Chauffeur | Pennsylvania |
| 2 | Addie Friday | 39 | Wife | None | Pennsylvania |
| 3 | Doris Friday | 14 | Daughter | None | Pennsylvania |
| 4 | Geraldine Friday | 11 | Daughter | None | Pennsylvania |
| 5 | Thomas Andresko | 22 | Head | Chauffeur | Pennsylvania |
| 6 | Agnes Andresko | 25 | Wife | None | Pennsylvania |
| 7 | Helen Andresko | 7 | Daughter | None | Pennsylvania |
| 8 | Thee Andresko | 5 | Son | None | Pennsylvania |
| 9 | Rosaline Andresko | 1 | Daughter | None | Pennsylvania |
| 10 | George Hudson | 28 | Head | Packer | England |
| 11 | Mary Hudson | 18 | Wife | None | Pennsylvania |
| 12 | Charles Hudson | 1 | Son | None | Pennsylvania |
| 13 | John J Donahue | 43 | Head | Installer | Pennsylvania |
| 14 | Margaret Donahue | 42 | Wife | None | Pennsylvania |
| 15 | Mary Donahue | 18 | Daughter | Stenographer | Pennsylvania |
| 16 | John Donahue THIS PERSON | 17 | Son | None | Pennsylvania |
| 17 | James Mcdowell | 33 | Head | Weaver | Pennsylvania |
| 18 | Ruth Mcdowell | 32 | Wife | None | Pennsylvania |
| 19 | James Mcdowell | 6 | Son | None | Pennsylvania |
| 20 | Ruth Mcdowell | 3 | Daughter | None | Pennsylvania |
| 21 | William Alder | 34 | Head | Braid Fixer | Pennsylvania |
| 22 | Clara Alder | 31 | Wife | None | Germany |
| 23 | Eleanor Alder | 13 | Daughter | None | Pennsylvania |
| 24 | Clara Alder | 11 | Daughter | None | Pennsylvania |
| 25 | William Alder | 7 | Son | None | Pennsylvania |
| 26 | Florence Alder | 5 | Daughter | None | Pennsylvania |
| 27 | Alfred Kirschner | 25 | Brother-in-law | Undertaker Asst | Germany |
| 28 | Hugh Dewan | 51 | Head | Sergeant | Northern Ireland |
| 29 | Mary Dewan | 51 | Wife | None | Northern Ireland |
| 30 | Harold Dewan | 24 | Son | File Clerk | Pennsylvania |
| 31 | John Dewan | 22 | Son | Bill Clerk | Pennsylvania |
| 32 | Evelyn Dewan | 20 | Daughter | None | Pennsylvania |
| 33 | Josephine Block | 71 | Head | Operator | Pennsylvania |
| 34 | Annie Block | 37 | Daughter | Clerk Mail | Pennsylvania |
| 35 | William J Donahue | 47 | Head | None | Pennsylvania |
| 36 | Theresa Donahue | 42 | Wife | None | Pennsylvania |
| 37 | William J Donahue | 10 | Son | None | Pennsylvania |
| 38 | John Stotz | 36 | Head | Machinist | Pennsylvania |
| 39 | Carrie Stotz | 38 | Wife | None | Pennsylvania |
| 40 | John E Stotz | 15 | Son | None | Pennsylvania |
| 41 | William Kress | 62 | Head | Watchman | Germany |
| 42 | Marie Kress | 64 | Wife | None | Germany |
| 43 | George J Hellermann | 48 | Son-in-law | Meat Cutter | Germany |
| 44 | Marie Hellermann | 41 | Daughter | None | Germany |
| 45 | John Metz | 54 | Boarder | Meat Cutter | Germany |
| 46 | Calvin Denman | 28 | Head | Traffic Officer | Pennsylvania |
| 47 | Rose Denman | 27 | Wife | None | Pennsylvania |
| 48 | Henry Pagel | 62 | Father-in-law | Shoemaker | Germany |
| 49 | Charles Pagel | 29 | Brother-in-law | Assembler | Pennsylvania |
| 50 | Charles Lydick | 28 | Head | None | Pennsylvania |
Related Census Records
Pedigree Summary
John + 1 sibling
Gen 1 · 4 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)