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John Mcmullen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cuyahoga, Ohio
Our Model Tree links this John Mcmullen across the 1930 and 1940 US Censuses in Cuyahoga, Ohio (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 8-person household.
Age 15
b. ~1915
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cuyahoga, Ohio |
| Surname | McMullen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Canada English |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1915 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mcmullen | Son | — | 15 | ~1915 |
| Joseph Mcmullen | Son | — | 12 | ~1918 |
| Joseph Mcmullen | Head | — | 47 | ~1883 |
| Clayton Mcmullen | Son | — | 18 | ~1912 |
| Alex Mcmullen | Son | — | 14 | ~1916 |
| Irene Mcmullen | Daughter | — | 7 | ~1923 |
| Louise Mcmullen | Daughter | — | 19 | ~1911 |
| Hattie Mcmullen | Other | — | 44 | ~1886 |
Census Appearances
1930
Cuyahoga, Ohio
Son, age 15
Cuyahoga, Ohio · implied b. ~1915 — 8 household members
| Surname | McMullen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Canada English |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 25
Cuyahoga-County, Ohio · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMillen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | CLEVELAND |
| 1935 Residence (County) | CUYAHOGA |
| Occupation | Salesman |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 298 |
| Highest Grade | H-3 20 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 15 · b. ~1915 · Ohio
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Sibling
Joseph Mcmullen
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Mcmullen
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Mcmullen
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clayton Mcmullen
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alex Mcmullen
Sibling · 1930 · age 14
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 — Cuyahoga, Ohio
Open full size
1930 US Federal Census — Cuyahoga, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1765:0643)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joanna Cummings | 12 | Daughter | — | Ohio |
| 52 | John Ziolek | 45 | Head | Builder | Poland |
| 53 | Stella Ziolek | 42 | Wife-H | Builder | Poland |
| 54 | Stanley Ziolek | 18 | Son | — | New York |
| 55 | John Ziolek | 16 | Son | — | Ohio |
| 56 | Loretta Ziolek | 15 | Daughter | — | Ohio |
| 57 | James Wagner | 25 | Boarder | — | Ohio |
| 58 | Anthony Herbut | 42 | Boarder | Labor | Poland |
| 59 | Stanley Ziolek | 35 | Boarder | Furnaceman | Poland |
| 60 | Adam Lepkowsky | 40 | Boarder | Ship Stock | Poland |
| 61 | Sam Fedunishyn | 45 | Head | Crane-Fire | Poland |
| 62 | Anna Fedunishyn | 36 | Wife-H | — | Poland |
| 63 | Mary Fedunishyn | 19 | Daughter | Typist | New Jersey |
| 64 | John Fedunishyn | 18 | Son | Filer | Mississippi |
| 65 | Anna Fedunishyn | 16 | Daughter | — | Ohio |
| 66 | Pearl Fedunishyn | 11 | Daughter | — | Ohio |
| 67 | Dorothy Poborane | 9 | Boarder | — | Ohio |
| 68 | Sam Barna | 46 | Boarder | Rigger | Poland |
| 69 | Stanley Pernosky | 37 | Head | Caster | Poland |
| 70 | Raynera Pernosky | 25 | Wife-H | Waitress | Poland |
| 71 | Le Roy Pernosky | 8 | Son | — | Pennsylvania |
| 72 | Robert Pernosky | 4 | Son | — | Pennsylvania |
| 73 | Richard Pernosky | 2 | Son | — | Pennsylvania |
| 74 | Frank Turkosky | 56 | Father-Law | Dish-Washer | Poland |
| 75 | Louisa Turkosky | 46 | Mother-Law | — | Poland |
| 76 | Barry Turkosky | 16 | Sister-Law | Cashier | Pennsylvania |
| 77 | Helen Turkosky | 13 | Sister-Law | — | Pennsylvania |
| 78 | John Sargent | 67 | Head | Store-Keeper | New York |
| 79 | Isabell Sargent | 67 | Wife-H | — | North. Ireland |
| 80 | John Sargent | 33 | Son | Taxi-Driver | Ohio |
| 81 | Emma Martinek | 41 | Head | Housekeeper | Czechoslovakia |
| 82 | Mary Martinek | 19 | Daughter | Typist | Ohio |
| 83 | Emma Martinek | 17 | Daughter-H | Shampooer | Ohio |
| 84 | Margaret Martinek | 12 | Daughter | — | Ohio |
| 85 | Irene Martinek | 10 | Daughter | — | Ohio |
| 86 | Agnes Juda | 39 | Head-H | — | Poland |
| 87 | Joseph Juda | 19 | Son | Drill-Operator | Ohio |
| 88 | Stanley Juda | 14 | Son | — | Ohio |
| 89 | Chester Juda | 9 | Son | — | Ohio |
| 90 | Charles Juda | 8 | Son | — | Ohio |
| 91 | Helen Juda | 4 | Daughter | — | Ohio |
| 92 | John Juda | 36 | Brother-Law | Moulder Helper | Poland |
| 93 | Joseph Mcmullen | 47 | Head | Expressing | Ohio |
| 94 | Hattie Mcmullen | 44 | Wife-H | — | Canada English |
| 95 | Louise Mcmullen | 19 | Daughter | Typist | Ohio |
| 96 | Clayton Mcmullen | 18 | Son | Iron-Fixer | Ohio |
| 97 | John Mcmullen THIS PERSON | 15 | Son | — | Ohio |
| 98 | Alex Mcmullen | 14 | Son | — | Ohio |
| 99 | Joseph Mcmullen | 12 | Son | — | Ohio |
| 100 | Irene Mcmullen | 7 | Daughter | — | Ohio |
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)