MO
Mary Orr — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Mifflin, Pennsylvania
Our Model Tree links this Mary Orr across the 1900, 1910 and 1920 US Censuses in Mifflin, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1840), then head of a 2-person household.
Age 60
b. ~1840
Female
Head
Born: Pennsylvania
Widowed
1900 Census Record Details
| Census Year | 1900 |
| Location | Mifflin, Pennsylvania |
| Surname | Orr |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Birth Month | July |
| Birth Year | 1840 |
| 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 | Union Township |
| Est. Birth Year | ~1840 |
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.
2 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mabel Orr | Daughter | — | 24 | ~1876 |
| Mary Orr | Head | — | 60 | ~1840 |
Census Appearances
1900
Mifflin, Pennsylvania
Head, age 60
Mifflin, Pennsylvania · implied b. ~1840 — 2 household members
| Surname | Orr |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Birth Month | July |
| Birth Year | 1840 |
| 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 |
1910
Mifflin, Pennsylvania
Other, age 71
Mifflin, Pennsylvania · implied b. ~1839 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | Mary |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Children Born | 6 |
| Children Living | 5 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Own Income |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Mifflin, Pennsylvania
Other, age 79
Mifflin, Pennsylvania · implied b. ~1841 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | Mary J |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| 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 |
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 (1900, 1910 and 1920) in Mifflin, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Orr
Head · 1900 · age 60 · b. ~1840 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Mifflin, Pennsylvania
Open full size
1900 US Federal Census — Mifflin, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1441unit:0977)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John A Patton | 2 | Son | — | Pennsylvania |
| 2 | William C Hule | 32 | Head | Carpenter | Pennsylvania |
| 3 | Ellen M Hule | 28 | Wife | — | Pennsylvania |
| 4 | Albert S Hule | 7 | Son | At School | Pennsylvania |
| 5 | Nelle R Hule | 5 | Daughter | — | Pennsylvania |
| 6 | Sherwood C Hule | 4 | Son | — | Pennsylvania |
| 7 | Hattie R Hule | 2 | Daughter | — | Pennsylvania |
| 8 | Mary A Orr THIS PERSON | 59 | Head | — | Pennsylvania |
| 9 | Mabel J Orr | 23 | Daughter | — | Pennsylvania |
| 10 | Regina J | 22 | Boarder | Day Laborer | Pennsylvania |
| 11 | Emily M | 57 | Boarder | — | Pennsylvania |
| 12 | Charles W Smiley | 34 | Head | Carriage Painter | Pennsylvania |
| 13 | Elizabeth Smiley | 35 | Wife | — | Pennsylvania |
| 14 | Charles C Smiley | 12 | Son | At School | Pennsylvania |
| 15 | William D Smiley | 9 | Son | At School | Pennsylvania |
| 16 | James S Smiley | 9 | Son | At School | Pennsylvania |
| 17 | Ruth M Smiley | 8 | Daughter | At School | Pennsylvania |
| 18 | Harold M Smiley | 4 | Son | — | Pennsylvania |
| 19 | John S Smiley | 1 | Son | — | Pennsylvania |
| 20 | John W Bohn | 53 | Head | Carpenter | Pennsylvania |
| 21 | Margaret Bohn | 51 | Wife | Baker | Pennsylvania |
| 22 | Amelia | 24 | Daughter | — | Pennsylvania |
| 23 | Margaret | 20 | Daughter | At School | Pennsylvania |
| 24 | Jessie D | 18 | Daughter | At School | Pennsylvania |
| 25 | Clarence | 15 | Son | — | Pennsylvania |
| 26 | Charles C King | 29 | Head | Laborer | Pennsylvania |
| 27 | Clara M King | 36 | Wife | — | New Jersey |
| 28 | Nathan S Creek | 74 | Boarder | — | Pennsylvania |
| 29 | Samuel Esh | 46 | Head | — | Pennsylvania |
| 30 | Mary E Esh | 46 | Wife | — | Pennsylvania |
| 31 | Arietta Esh | 17 | Daughter | — | Pennsylvania |
| 32 | Harry Esh | 13 | Son | At School | Pennsylvania |
| 33 | Samuel Lauver | 56 | Head | — | Pennsylvania |
| 34 | Bella D Lauver | 26 | Daughter | At School | Pennsylvania |
| 35 | Samuel Mackey | 2 | Boarder | — | Pennsylvania |
| 36 | Elias Sitz | 28 | Head | Laborer | Pennsylvania |
| 37 | Eva M Sitz | 29 | Wife | — | Pennsylvania |
| 38 | Samuel Remeter | 16 | Boarder | Laborer | Pennsylvania |
| 39 | Samuel Sway | 35 | Head | Engine Hostler | Pennsylvania |
| 40 | Bertha Sway | 29 | Wife | — | Pennsylvania |
| 41 | David Sway | 8 | Son | — | Pennsylvania |
| 42 | Jennie Sway | 1 | Daughter | — | Pennsylvania |
| 43 | Arthur J Swain | 33 | Head | Day Laborer | Pennsylvania |
| 44 | Matilda Swain | 22 | Wife | — | Pennsylvania |
| 45 | Bessie M Swain | 14 | Daughter | At School | Pennsylvania |
| 46 | William L Smith | 16 | Head | Painter | Pennsylvania |
| 47 | Mary E Smith | 36 | Wife | — | Pennsylvania |
| 48 | Aris B Smith | 15 | Daughter | Carpenter | Pennsylvania |
| 49 | Eva M Smith | 13 | Daughter | At School | Pennsylvania |
| 50 | Cora B Smith | 8 | Daughter | At School | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)