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Mary Mcmullen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Butler, Pennsylvania
Our Model Tree links this Mary Mcmullen across the 1920 and 1930 US Censuses in Butler, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 7-person household.
Age 14
b. ~1916
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Butler, Pennsylvania |
| Surname | McMullen |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| 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 | Karns City Borough |
| Est. Birth Year | ~1916 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Mcmullen | Daughter | — | 6 | ~1924 |
| Samuel Mcmullen | Son | — | 12 | ~1918 |
| William Mcmullen | Son | — | 10 | ~1920 |
| Margaret Mcmullen | Other | — | 40 | ~1890 |
| Samuel Mcmullen | Head | — | 35 | ~1895 |
| Martha Mcmullen | Daughter | — | 8 | ~1922 |
| Mary Mcmullen | Daughter | — | 14 | ~1916 |
Census Appearances
1920
Butler, Pennsylvania
Daughter, age 4
Butler, Pennsylvania · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMullen |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Butler, Pennsylvania
Daughter, age 14
Butler, Pennsylvania · implied b. ~1916 — 7 household members
| Surname | McMullen |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| 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 |
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 Mary Mcmullen across 2 US Census years (1920 and 1930) in Butler, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcmullen
Daughter · 1930 · age 14 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
William Mcmullen
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Mcmullen
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Mcmullen
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mcmullen
Sibling · 1930 · age 6
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 — Butler, Pennsylvania
Open full size
1930 US Federal Census — Butler, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2010:0155)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dennis J O'Donnell | 48 | Head | — | Pennsylvania |
| 52 | Alice L O'Donnell | 43 | Wife-H | None | Pennsylvania |
| 53 | Joseph D O'Donnell | 18 | Son | None | Pennsylvania |
| 54 | Gertrude E O'Donnell | 17 | Daughter | None | Pennsylvania |
| 55 | Francis R O'Donnell | 15 | Son | None | Pennsylvania |
| 56 | Leo V O'Donnell | 10 | Son | None | Pennsylvania |
| 57 | Mary L O'Donnell | 5 | Daughter | None | Pennsylvania |
| 58 | Dolphi A Sr Hock | 50 | Head | Manager | Pennsylvania |
| 59 | Daisy Hock | 48 | Wife-H | None | Pennsylvania |
| 60 | Ida Louise Reegar | 8 | Wife-H | None | Pennsylvania |
| 61 | Emma Moore | 53 | Head | None | Pennsylvania |
| 62 | Eugene O Moore | 33 | Son | Loader | Pennsylvania |
| 63 | Elizabeth B Moore | 23 | Daughter | None | Pennsylvania |
| 64 | Howard W Moore | 21 | Son | None | Pennsylvania |
| 65 | Helen M Moore | 18 | Daughter | None | Pennsylvania |
| 66 | Samuel Mcmullen | 35 | Head | — | W. Virginia |
| 67 | Margaret R Mcmullen | 40 | Wife-H | None | Pennsylvania |
| 68 | Mary E Mcmullen THIS PERSON | 14 | Daughter | None | Pennsylvania |
| 69 | Samuel C Mcmullen | 12 | Son | None | Pennsylvania |
| 70 | William J Mcmullen | 10 | Son | None | Pennsylvania |
| 71 | Martha J Mcmullen | 8 | Daughter | None | Pennsylvania |
| 72 | Ruth E Mcmullen | 6 | Daughter | None | Pennsylvania |
| 73 | Wayne C Mccullough | 47 | Head | — | Pennsylvania |
| 74 | Mary E Mccullough | 47 | Wife-H | None | Pennsylvania |
| 75 | Mary E Mccullough | 17 | Daughter | Waitress | Pennsylvania |
| 76 | Allen J Jones | 23 | Head | Proprietor | Pennsylvania |
| 77 | Lois M Jones | 23 | Wife-H | Salesman | Pennsylvania |
| 78 | William H Hipple | 44 | Head | Proprietor | Pennsylvania |
| 79 | Agnes E Hipple | 37 | Wife-H | None | New York |
| 80 | Helen A Hipple | 12 | Daughter | None | Pennsylvania |
| 81 | Ross W Hipple | 11 | Son | None | Pennsylvania |
| 82 | James A Hipple | 2 | Son | None | Pennsylvania |
| 83 | George C Campbell | 80 | Roomer | Laborer | Pennsylvania |
| 84 | Allen O Hipple | 38 | Head | None | Pennsylvania |
| 85 | Helen M Hipple | 34 | Wife-H | None | Pennsylvania |
| 86 | Dorothy H Hipple | 6 | Daughter | None | Pennsylvania |
| 87 | Clyde H Barnhart | 31 | Head | Laborer | Pennsylvania |
| 88 | Grace L Barnhart | 28 | Wife-H | None | Pennsylvania |
| 89 | Donald L Barnhart | 2 | Son | None | Pennsylvania |
| 90 | Florida Barnhart | 69 | Head | None | Pennsylvania |
| 91 | Genevieve Boyle | 22 | Roomer | Telephone Op | Pennsylvania |
| 92 | Martha Gaskin | 33 | Roomer | Teacher | Pennsylvania |
| 93 | Samuel Klingensmith | 72 | Roomer | Salesman | Pennsylvania |
| 94 | John J Waelman | 59 | Head | Pumper | Pennsylvania |
| 95 | Elnora Waelman | 56 | Wife-H | None | Pennsylvania |
| 96 | Mildred M Waelman | 14 | Daughter | None | Pennsylvania |
| 97 | Claude J Waelman | 12 | Son | None | Pennsylvania |
| 98 | Ethel M Waelman | 8 | Daughter | None | Pennsylvania |
| 99 | Joseph M Frederick | 64 | Head | None | Pennsylvania |
| 100 | Ethel M Frederick | 43 | Daughter | Bookkeeper | Pennsylvania |
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)