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Mary Mueller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Mueller across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 11-person household.
Age 13
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Mueller |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Bellevue Borough |
| Est. Birth Year | ~1917 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Donald Mueller | Son | — | 7 | ~1923 |
| Katherine Mueller | Other | — | 40 | ~1890 |
| Katherine Mueller | Daughter | — | 8 | ~1922 |
| William Mueller | Son | — | 14 | ~1916 |
| Patricia Mueller | Daughter | — | 4 | ~1926 |
| Robert Mueller | Son | — | 10 | ~1920 |
| Elinor Mueller | Daughter | — | 5 | ~1925 |
| Margaret Mueller | Daughter | — | 1 | ~1929 |
| William Mueller | Head | — | 39 | ~1891 |
| Doris Mueller | Daughter | — | 3 | ~1927 |
| Mary Mueller | Daughter | — | 13 | ~1917 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 2
Allegheny, Pennsylvania · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 13
Allegheny, Pennsylvania · implied b. ~1917 — 11 household members
| Surname | Mueller |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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 Mueller across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mueller
Daughter · 1930 · age 13 · b. ~1917 · Pennsylvania
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Sibling
Robert Mueller
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Mueller
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Mueller
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mueller
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Mueller
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mueller
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elinor Mueller
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mueller
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1960:0195)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James E. Demill | 61 | Head | Printer | Pennsylvania |
| 2 | Maude R. Demill | 59 | Wife-H | — | Pennsylvania |
| 3 | George L. King | 62 | Head | Agent | Pennsylvania |
| 4 | Nellie O. King | 54 | Wife-H | — | Pennsylvania |
| 5 | Helen A. King | 21 | Daughter | — | Pennsylvania |
| 6 | Howard S. Stanley | 42 | Head | Finisher | Pennsylvania |
| 7 | Jeannette Stanley | 55 | Wife-H | — | Pennsylvania |
| 8 | Owen M. Blackwood | 32 | Head | Commercial Traveler | Virginia |
| 9 | Jean F. Blackwood | 30 | Wife-H | — | Canada-English |
| 10 | Richard C. Toogood | 42 | Head | Mechanical Engineer | Pennsylvania |
| 11 | Rex E. Toogood | 40 | Brother | Bookkeeper | Pennsylvania |
| 12 | Ethel A. L. Toogood | 16 | Niece | — | Pennsylvania |
| 13 | Margaret G. B. Toogood | 7 | Niece | — | Pennsylvania |
| 14 | Joseph M. Toogood | 74 | Father | — | Pennsylvania |
| 15 | Augusta P. Mccord | 49 | Sister H | — | Pennsylvania |
| 16 | Augusta R. Mccord | 20 | Niece | Bookkeeper | Pennsylvania |
| 17 | Louis J. Jr. Mccord | 19 | Nephew | — | Pennsylvania |
| 18 | Krsto Unkovich | 45 | Head | Interpreter | Jugoslavia |
| 19 | Josephine Unkovich | 46 | Wife-H | — | Illinois |
| 20 | Nicholas M. Unkovich | 23 | Son | — | Illinois |
| 21 | John M. Unkovich | 21 | Son | — | Pennsylvania |
| 22 | Zora D. Unkovich | 19 | Daughter | — | Pennsylvania |
| 23 | Rose M. Unkovich | 17 | Daughter | — | Pennsylvania |
| 24 | Alexander C. Unkovich | 15 | Son | — | Pennsylvania |
| 25 | Josephine V. Unkovich | 12 | Daughter | — | Pennsylvania |
| 26 | Virginia M. Unkovich | 10 | Daughter | — | Pennsylvania |
| 27 | Charles M. Unkovich | 8 | Son | — | Pennsylvania |
| 28 | Blanche Unkovich | 5 | Daughter | — | Pennsylvania |
| 29 | Margaret Milkovich | 19 | Servant | Servant | Pennsylvania |
| 30 | George W. Bennett | 35 | Head | Clerk | Pennsylvania |
| 31 | Helen D. Bennett | 36 | Wife-H | — | Pennsylvania |
| 32 | Dorothy J. Bennett | 11 | Daughter | — | Pennsylvania |
| 33 | George L. Bennett | 5 | Son | — | Pennsylvania |
| 34 | Laverne D. Bennett | 4 | Daughter | — | Pennsylvania |
| 35 | Sylvia G. Hunt | 24 | Boarder | Comptometer | Illinois |
| 36 | Charles Sohn | 63 | Head | Laborer | Pennsylvania |
| 37 | Ida H. Sohn | 59 | Wife-H | — | Pennsylvania |
| 38 | Helen G. Sohn | 34 | Daughter | Teacher | Pennsylvania |
| 39 | William H. Mueller | 39 | Head | Credit Manager | Pennsylvania |
| 40 | Katherine L. Mueller | 40 | Wife-H | — | Pennsylvania |
| 41 | William H. Jr. Mueller | 14 | Son | — | Pennsylvania |
| 42 | Mary L. Mueller THIS PERSON | 13 | Daughter | — | Pennsylvania |
| 43 | Robert J. Mueller | 10 | Son | — | Pennsylvania |
| 44 | Katherine J. Mueller | 8 | Daughter | — | Pennsylvania |
| 45 | Donald L. Mueller | 7 | Son | — | Pennsylvania |
| 46 | Elinor A. Mueller | 5 | Daughter | — | Pennsylvania |
| 47 | Patricia L. Mueller | 4 | Daughter | — | Pennsylvania |
| 48 | Doris M. Mueller | 3 | Daughter | — | Pennsylvania |
| 49 | Margaret L. Mueller | 1 | Daughter | — | Pennsylvania |
| 50 | Charles F. Besser | 35 | Head | Teacher (Music) | 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)