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John Mcmullen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Mcmullen across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 7-person household.
Age 12
b. ~1908
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | McMullen |
| Given Name | John J |
| 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 | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Marie Mcmullen | Daughter | — | 16 | ~1904 |
| Catherine Mcmullen | Daughter | — | 18 | ~1902 |
| John Mcmullen | Son | — | 12 | ~1908 |
| Catherine Devine | Other | — | 72 | ~1848 |
| Elizabeth Mcmullen | Spouse | — | 43 | ~1877 |
| John Mcmullen | Head | — | 45 | ~1875 |
| Elizabeth Mcmullen | Daughter | — | 14 | ~1906 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 12
Philadelphia, Pennsylvania · implied b. ~1908 — 7 household members
| Surname | McMullen |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 22
Philadelphia, Pennsylvania · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMillin |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Shipper |
| Industry | Grocery Warehouse |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcmullen
Son · 1920 · age 12 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Mcmullen
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Mcmullen
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Mcmullen
Sibling · 1920 · age 16
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
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1621unit:0220)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leroy Trumble | 2 | Grand Son | — | Massachusetts |
| 2 | Bernhard M Schoen | 64 | Head | Printer | Norway |
| 3 | Ida Schoen | 59 | Wife | — | Minnesota |
| 4 | Glenda M Schoen | 30 | Daughter | — | Norway |
| 5 | Logan Schoen | 25 | Son | Clerk | Minnesota |
| 6 | Alfred Lund | 18 | Lodger | Machinist | Norway |
| 7 | Karl John Haggren | 31 | Lodger | Clergy | Norway |
| 8 | Victoria R Hecht | 60 | Roomer | — | Pennsylvania |
| 9 | Thomas B Lewis | 66 | Head | — | Virginia |
| 10 | Mary L Lewis | 50 | Wife | — | Delaware |
| 11 | Sylvain P Ash | 62 | Head | Shoemaker | Pennsylvania |
| 12 | Margaret E Ash | 57 | Wife | — | New Jersey |
| 13 | Charles H Ash | 35 | Son | Fireman | Pennsylvania |
| 14 | Martha G Ash | 22 | Daughter | Operator | Pennsylvania |
| 15 | Ida M Ash | 19 | Daughter | Operator | Pennsylvania |
| 16 | Clara W Ash | 15 | Daughter | — | Pennsylvania |
| 17 | Charles Moore | 29 | Son-in-law | Plumber | Pennsylvania |
| 18 | Mabel B Moore | 30 | Daughter | — | Pennsylvania |
| 19 | Robert K Moore | 7 | Grandson | — | Pennsylvania |
| 20 | Thomas T Moore | 6 | Grandson | — | Pennsylvania |
| 21 | David Moore | 3 | Grandson | — | Pennsylvania |
| 22 | John J Mcmullen | 45 | Head | Officer | Pennsylvania |
| 23 | Elizabeth Mcmullen | 43 | Wife | — | Pennsylvania |
| 24 | Catherine E Mcmullen | 18 | Daughter | Clerk | Pennsylvania |
| 25 | Marie R Mcmullen | 16 | Daughter | Spooler | Pennsylvania |
| 26 | Elizabeth M Mcmullen | 14 | Daughter | — | Pennsylvania |
| 27 | John J Mcmullen THIS PERSON | 12 | Son | — | Pennsylvania |
| 28 | Catherine Devine | 72 | Mother-in-law | — | Ireland |
| 29 | Elizabeth S Jester | 60 | Head | — | Pennsylvania |
| 30 | Albert H Jester | 31 | Son | Clerk | Pennsylvania |
| 31 | Joseph B Jester | 29 | Son | Helper | Pennsylvania |
| 32 | William H Jester | 26 | Son | Helper | Pennsylvania |
| 33 | Mable Jester | 33 | Daughter | Saleslady | Pennsylvania |
| 34 | Margaret Crilley | 54 | Head | — | Ireland |
| 35 | Joseph Crilley | 25 | Son | Electric | Pennsylvania |
| 36 | Margaret Crilley | 23 | Daughter | Clerk | Pennsylvania |
| 37 | Melanie Crilley | 24 | Daughter-in-law | — | Pennsylvania |
| 38 | Patrick Cassady | 49 | Brother | Laborer | Ireland |
| 39 | Hugh Kelly | 49 | Boarder | Laborer | Ireland |
| 40 | Michael Mcmanus | 60 | Head | — | Ireland |
| 41 | James Mcmanus | 30 | Son | Printer | Pennsylvania |
| 42 | Rose Mcmanus | 33 | Daughter | — | Pennsylvania |
| 43 | Mary Mcmanus | 55 | Daughter | Cook | Ireland |
| 44 | Rose Mcmanus | 76 | Sister | — | Ireland |
| 45 | Albert J Fitzgerald | 11 | Grand Son | — | Pennsylvania |
| 46 | Annie Bodkin | 71 | Head | — | Pennsylvania |
| 47 | Louise Bodkin | 47 | Daughter | Saleslady | Pennsylvania |
| 48 | Beatrice Bodkin | 19 | Grand Daughter | Clerk | Pennsylvania |
| 49 | James Molloy | 42 | Head | Officer | Pennsylvania |
| 50 | Katherine Molloy | 40 | Wife | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)