MO
Mary Orr — 1910 US Census Record
Model Tree available1910 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Orr across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert — first a daughter (b.~1873), then head of a 5-person household.
Age 37
b. ~1873
Female
Daughter
Born: Pennsylvania
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Allegheny, Pennsylvania |
| Surname | Orr |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | Pittsburg City |
| Est. Birth Year | ~1873 |
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.
5 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Daugherty | Other | — | 17 | ~1893 |
| Katherine Orr | Daughter | — | 24 | ~1886 |
| Alice Orr | Daughter | — | 35 | ~1875 |
| Mary Orr | Daughter | — | 37 | ~1873 |
| Robert Orr | Head | — | 65 | ~1845 |
Census Appearances
1910
Allegheny, Pennsylvania
Daughter, age 37
Allegheny, Pennsylvania · implied b. ~1873 — 5 household members
| Surname | Orr |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Public School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 46
Allegheny, Pennsylvania · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | Marie H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Elementary School |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Other, age 52
Allegheny, Pennsylvania · implied b. ~1878
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Orr |
| Given Name | Marie G. |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Principal |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 100 |
| 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 Orr across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Robert Orr (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Orr
b. ~1845
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Orr
Daughter · 1910 · age 37 · b. ~1873 · Pennsylvania
★ You are viewing this record
Sibling
Katherine Orr
Sibling · 1910 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Orr
Sibling · 1910 · age 35
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
1910 US Federal Census — Allegheny, Pennsylvania
Open full size
1910 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po1301unit:0699)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Albert J Hesling | 20 | Son | — | Pennsylvania |
| 52 | James W Hesling | 18 | Son | — | Pennsylvania |
| 53 | Walter B Zink | 25 | Lodger | Solicitor | Ohio |
| 54 | David Lewis | 73 | Head | Own Income | Wales Welsh |
| 55 | Jane E Lewis | 69 | Wife | — | Pennsylvania |
| 56 | Maria A Lewis | 45 | Daughter | Teacher | Pennsylvania |
| 57 | Curtis D Williams | 49 | Head | Mechanical Engineer | Vermont |
| 58 | Ida M Williams | 50 | Wife | — | Pennsylvania |
| 59 | Lorna M Williams | 17 | Daughter | — | Pennsylvania |
| 60 | Paul M Williams | 15 | Son | — | Pennsylvania |
| 61 | Sarah J Williams | 70 | Mother | Own Income | Ohio |
| 62 | Franklin H Drake | 51 | Head | Sales Manager | Massachusetts |
| 63 | Eva S Drake | 45 | Wife | — | Swed Swedish |
| 64 | William M Drake | 7 | Son | — | Pennsylvania |
| 65 | Kate Dane | 55 | Servant | Servant | Ire Irish |
| 66 | Arthur H Masters | 36 | Head | Electrical Engineer | Pennsylvania |
| 67 | Ella B Masters | 31 | Wife | — | Pennsylvania |
| 68 | Arthur H Jr Masters | 1 | Son | — | Pennsylvania |
| 69 | Georgina Galbraith | 24 | Servant | Servant | Scot English |
| 70 | Edward S Dunn | 29 | Head | Merchant | Pennsylvania |
| 71 | Helen C Dunn | 22 | Wife | — | Pennsylvania |
| 72 | Mary Sweeney | 20 | Servant | Servant | Pennsylvania |
| 73 | George W Macmullen | 45 | Head | Broker | New York |
| 74 | Katherine Macmullen | 40 | Wife | — | Indiana |
| 75 | Jean G Macmullen | 12 | Daughter | — | Pennsylvania |
| 76 | Harry Ecker | 44 | Head | Salesman | Ger German |
| 77 | Matilda D Ecker | 42 | Wife | — | Pennsylvania |
| 78 | Walter H Ecker | 21 | Son | Stenographer | Pennsylvania |
| 79 | Walter O Bacon | 50 | Head | Merchant | Massachusetts |
| 80 | Alice J Bacon | 49 | Wife | — | Massachusetts |
| 81 | Walter O Jr Bacon | 10 | Son | — | New York |
| 82 | Howard Zacharias | 32 | Head | Attorney | Wales Welsh |
| 83 | Elizabeth M Zacharias | 32 | Wife | — | Pennsylvania |
| 84 | Isabel M Zacharias | 5 | Daughter | — | Pennsylvania |
| 85 | Margaret J Zacharias | 3 | Daughter | — | Pennsylvania |
| 86 | Isabella Mckinley | 59 | Mother in law | — | Ire Irish |
| 87 | John H Moore | 32 | Head | Manager | Pennsylvania |
| 88 | Lillian S Moore | 28 | Wife | — | Pennsylvania |
| 89 | Thomas S Moore | 0 | Son | — | Pennsylvania |
| 90 | Anna Nylander | 20 | Servant | Servant | Swed Swedish |
| 91 | Harry H Steele | 54 | Head | Own Income | Massachusetts |
| 92 | Carroll D Steele | 24 | Son | Bookkeeper | North Dakota |
| 93 | Helen C Steele | 25 | Daughter | Teacher | Massachusetts |
| 94 | Robert L Orr | 65 | Head | Own Income | Pennsylvania |
| 95 | Mary H Orr THIS PERSON | 37 | Daughter | Teacher | Pennsylvania |
| 96 | Alice B Orr | 35 | Daughter | — | Pennsylvania |
| 97 | Katherine R Orr | 24 | Daughter | Teacher | Pennsylvania |
| 98 | Mary E Daugherty | 17 | Servant | Servant | Pennsylvania |
| 99 | Philip S Thomson | 30 | Head | Manager | New York |
| 100 | Dorothy E Thomson | 28 | Wife | — | Iowa |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)