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John Mcdonough — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Mcdonough across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 6-person household.
Age 8
b. ~1922
Male
Son
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1922 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Frank Mcdonough | Head | — | 31 | ~1899 |
| Joseph Mcdonough | Son | — | 10 | ~1920 |
| Fred Mcdonough | Son | — | 3 | ~1927 |
| John Mcdonough | Son | — | 8 | ~1922 |
| Thomas Mcdonough | Son | — | 6 | ~1924 |
| Anna Mcdonough | Spouse | — | 35 | ~1895 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 8
Philadelphia, Pennsylvania · implied b. ~1922 — 6 household members
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Son, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Phila |
| Occupation | New Worker |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Mcdonough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcdonough
Son · 1930 · age 8 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Mcdonough
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcdonough
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Mcdonough
Sibling · 1930 · age 3
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:fifteenthcensus00reel2143:0177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Fagan | 46 | Head | Compositor | Penna |
| 2 | Betty Fagan | 45 | Wife | — | Penna |
| 3 | Samuel Fagan | 21 | Son | Clerk | Penna |
| 4 | Michael Love | 34 | Boarder | Laborer | New York |
| 5 | Frank Welsh | 36 | Head | Cement Finisher | England |
| 6 | Alice Welsh | 34 | Wife | — | England |
| 7 | Louis Welsh | 13 | Son | — | Penna |
| 8 | James Welsh | 11 | Son | — | Penna |
| 9 | Joseph Welsh | 5 | Son | — | Penna |
| 10 | Linda Shea | 39 | Lodger | Chauffeur | No Carolina |
| 11 | James Murphy | 26 | Lodger | Laborer | Penna |
| 12 | Frank Mcdonough | 31 | Head | Laborer | Penna |
| 13 | Anna Mcdonough | 35 | Wife | — | Penna |
| 14 | Joseph Mcdonough | 10 | Son | — | Penna |
| 15 | John Mcdonough THIS PERSON | 8 | Son | — | Penna |
| 16 | Thomas Mcdonough | 6 | Son | — | Penna |
| 17 | Fred Mcdonough | 3 | Son | — | Penna |
| 18 | Dominick Meisle | 36 | Head | Butcher | Penna |
| 19 | Carmela Meisle | 36 | Wife | — | Penna |
| 20 | Eleanor Meisle | 9 | Daughter | — | Penna |
| 21 | Anthony Meisle | 7 | Son | — | Penna |
| 22 | Thomas Meisle | 4 | Son | — | Penna |
| 23 | Joan Meisle | 2 | Son | — | Penna |
| 24 | Blanche Simon | 47 | Lodger | Bookkeeper | Penna |
| 25 | Daniel O'Connor | 45 | Lodger | Laborer | Penna |
| 26 | Frank Markowan | 32 | Head | Clerk | Penna |
| 27 | Eliz Markowan | 32 | Wife | — | Penna |
| 28 | James Markowan | 10 | Son | — | Penna |
| 29 | John Markowan | 7 | Son | — | Penna |
| 30 | Arthur Markowan | 6 | Son | — | Penna |
| 31 | Thomas Markowan | 2 | Son | — | Penna |
| 32 | Louis Brotman | 29 | Lodger | Line Man | Penna |
| 33 | Lenore Brotman | 27 | Lodger | — | Penna |
| 34 | John Mclaughlin | 46 | Lodger | Painter | New Jersey |
| 35 | Anna Moseley | 39 | Lodger | Maid | Delaware |
| 36 | Thomas Bohn | 39 | Lodger | Foreman | Penna |
| 37 | John Brown | 46 | Lodger | Machinist | Missouri |
| 38 | Bessie Vance | 51 | Lodger | Maid | New York |
| 39 | John Mccoy | 47 | Lodger | Chauffeur | Penna |
| 40 | Frank Sheridan | 52 | Lodger | Operator | Penna |
| 41 | James Shields | 34 | Lodger | Packer | Penna |
| 42 | George Barton | 47 | Lodger | — | Penna |
| 43 | Martha Lewis | 65 | Lodger | — | Penna |
| 44 | John Beadle | 37 | Head | Clerk | Georgia |
| 45 | Rose Beadle | 36 | Wife | — | Georgia |
| 46 | Charles Beadle | 10 | Son | — | Georgia |
| 47 | Dennis Carroll | 38 | Boarder | Driver | Georgia |
| 48 | Mona Carroll | 38 | Boarder | — | Georgia |
| 49 | Henry Carroll | 10 | Nephew | — | Georgia |
| 50 | Billy Carroll | 9 | Nephew | — | Georgia |
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)