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John Mcmullen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Mcmullen across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 6-person household.
Age 6
b. ~1924
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | McMullen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| John Mcmullen | Son | — | 6 | ~1924 |
| Charles Mcmullen | Son | — | 10 | ~1920 |
| William Mcmullen | Son | — | 7 | ~1923 |
| Francis Mcmullen | Son | — | 8 | ~1922 |
| Mary Mcmullen | Spouse | — | 43 | ~1887 |
| Charles Mcmullen | Head | — | 48 | ~1882 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1924 — 6 household members
| Surname | McMullen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMullin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Phila. Co. |
| Occupation | Machinist |
| Industry | Valve Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| 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 Mcmullen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcmullen
Son · 1930 · age 6 · b. ~1924 · Pennsylvania
★ You are viewing this record
Sibling
Francis Mcmullen
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mcmullen
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcmullen
Sibling · 1930 · age 7
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:fifteenthcensus00reel2123:0130)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edward Schmidt | 28 | Head | Foreman | Germany |
| 52 | Anna Schmidt | 26 | Wife | Operator | Pennsylvania |
| 53 | Edward P. Schmidt | 8 | Son | — | Pennsylvania |
| 54 | Thomas Starr | 41 | Head | Patternmaker | England |
| 55 | Annie E. Starr | 38 | Wife | — | England |
| 56 | Dorothy Starr | 13 | Daughter | — | Maryland |
| 57 | Harry Starr | 12 | Son | — | Maryland |
| 58 | George Rafferty | 19 | Head | Painter | Pennsylvania |
| 59 | Eileen Rafferty | 14 | Sister | — | Pennsylvania |
| 60 | Martin Rafferty | 12 | Brother | — | Pennsylvania |
| 61 | Mae Rafferty | 38 | Mother | Clerk | Pennsylvania |
| 62 | Margaret Odenstrell | 50 | Head | — | Pennsylvania |
| 63 | Margaret Odenstrell | 20 | Daughter | Stenographer | Pennsylvania |
| 64 | Louis Wagner | 38 | Son | Electrician | Pennsylvania |
| 65 | William Wagner | 28 | Son | Truck Driver | Pennsylvania |
| 66 | Louis Jr. Wagner | 10 | Grandson | — | Pennsylvania |
| 67 | Florence Wagner | 8 | Granddaughter | — | Pennsylvania |
| 68 | Frank D. Crosson | 34 | Head | Manager | Pennsylvania |
| 69 | Marie Crosson | 28 | Wife | — | Pennsylvania |
| 70 | Lois Crosson | 9 | Daughter | — | Pennsylvania |
| 71 | Alice Crosson | 7 | Daughter | — | Pennsylvania |
| 72 | George Jerger | 28 | Head | Knitter | Pennsylvania |
| 73 | Mary Jerger | 26 | Wife | Topper | Pennsylvania |
| 74 | William Galbraith | 39 | Head | Weaver | Pennsylvania |
| 75 | Marie Galbraith | 38 | Wife | — | Pennsylvania |
| 76 | William Galbraith | 16 | Son | — | Pennsylvania |
| 77 | Samuel Galbraith | 14 | Son | — | Pennsylvania |
| 78 | William Donlin | 32 | Head | Manager | Pennsylvania |
| 79 | Mae Donlin | 29 | Wife | Clerk | Pennsylvania |
| 80 | Joseph Mccauley | 28 | Head | — | Pennsylvania |
| 81 | Kathryn Mccauley | 27 | Wife | — | Pennsylvania |
| 82 | Joseph Mccauley | 3 | Son | — | Pennsylvania |
| 83 | Eileen Mccauley | 2 | Daughter | — | Pennsylvania |
| 84 | John Edrington | 42 | Head | Weaver | Pennsylvania |
| 85 | Anna Edrington | 40 | Wife | — | Pennsylvania |
| 86 | John Edrington | 12 | Son | — | Pennsylvania |
| 87 | William Edrington | 10 | Son | — | Pennsylvania |
| 88 | Elma Edrington | 8 | Daughter | — | Pennsylvania |
| 89 | William Collins | 44 | Head | Salesman | Pennsylvania |
| 90 | Eleanor Collins | 38 | Wife | — | Pennsylvania |
| 91 | William Collins | 15 | Son | — | Pennsylvania |
| 92 | Kathryn Holden | 46 | Head | Salesman | Pennsylvania |
| 93 | William O'Brien | 30 | Head | — | Pennsylvania |
| 94 | Gladys O'Brien | 30 | Wife | Salesman | Pennsylvania |
| 95 | Charles Mcmullen | 48 | Head | — | Ireland |
| 96 | Mary Mcmullen | 43 | Wife | Clerk | Ireland |
| 97 | Charles Mcmullen | 10 | Son | — | Pennsylvania |
| 98 | Francis Mcmullen | 8 | Son | — | Pennsylvania |
| 99 | William Mcmullen | 7 | Son | — | Pennsylvania |
| 100 | John Mcmullen THIS PERSON | 6 | Son | — | Pennsylvania |
Related Census Records
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)