MF
Mary Flaherty — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Flaherty across the 1900 and 1910 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1850), then head of a 10-person household.
Age 50
b. ~1850
Female
Spouse
Born: Ireland
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Allegheny, Pennsylvania |
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1850 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Pittsburg City |
| Est. Birth Year | ~1850 |
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.
10 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Catherine Flaherty | Daughter | — | 14 | ~1886 |
| Margaret Flaherty | Daughter | — | 24 | ~1876 |
| Mary Flaherty | Spouse | — | 50 | ~1850 |
| John Flaherty | Head | — | 50 | ~1850 |
| Patrick Flaherty | Son | — | 24 | ~1876 |
| Joseph Flaherty | Son | — | 10 | ~1890 |
| Michael Flaherty | Son | — | 19 | ~1881 |
| John Flaherty | Son | — | 17 | ~1883 |
| William Flaherty | Son | — | 7 | ~1893 |
| Peter Flaherty | Son | — | 22 | ~1878 |
Census Appearances
1900
Allegheny, Pennsylvania
Spouse, age 50
Allegheny, Pennsylvania · implied b. ~1850 — 10 household members
| Surname | Flaherty |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1850 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Allegheny, Pennsylvania
Spouse, age 60
Allegheny, Pennsylvania · implied b. ~1850 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 25 |
| Children Born | 5 |
| Children Living | 3 |
| Year of Immigration | 1881 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Flaherty across 2 US Census years (1900 and 1910) in Allegheny, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Flaherty
Spouse · 1900 · age 50 · b. ~1850 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Allegheny, Pennsylvania
Open full size
1900 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1357unit:0721)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Daniel Donnelly | 0 | Son | — | Pennsylvania |
| 52 | Margaret R Duffey | 63 | Head | — | Ireland |
| 53 | Robert Halbert | 41 | Head | Day Laborer | New York |
| 54 | Mary Halbert | 45 | Wife | — | Ireland |
| 55 | Nellie Halbert | 17 | Daughter | Dressmaker Apprent | Pennsylvania |
| 56 | James Halbert | 7 | Son | At School | Pennsylvania |
| 57 | Kate Weloch | 65 | Head | — | Ireland |
| 58 | Emma Weloch | 25 | Son | Day Laborer | Pennsylvania |
| 59 | John Haughton | 30 | Head | Day Laborer | Ireland |
| 60 | Mary Haughton | 27 | Wife | — | Ireland |
| 61 | Patrick Haughton | 2 | Son | — | Pennsylvania |
| 62 | Mary Haughton | 0 | Daughter | — | Pennsylvania |
| 63 | William Lyons | 40 | Head | Day Laborer | Ireland |
| 64 | Mary Lyons | 30 | Wife | — | Pennsylvania |
| 65 | Mamie Lyons | 8 | Daughter | At School | Pennsylvania |
| 66 | Annie Lyons | 7 | Daughter | At School | Pennsylvania |
| 67 | Bessie Lyons | 6 | Daughter | — | Pennsylvania |
| 68 | Thomas Lyons | 3 | Son | — | Pennsylvania |
| 69 | Michael Lyons | 0 | Son | — | Pennsylvania |
| 70 | Patrick Dugan | 55 | Head | Day Laborer | Ireland |
| 71 | Bridget Dugan | 55 | Wife | — | Ireland |
| 72 | Thomas Dugan | 27 | Son | Teamster | Pennsylvania |
| 73 | Thomas Mcdermott | 45 | Head | Day Laborer | Ireland |
| 74 | Bridget Mcdermott | 34 | Wife | — | Ireland |
| 75 | Thomas Mcdermott | 15 | Son | Day Laborer | Pennsylvania |
| 76 | Mamie Mcdermott | 13 | Daughter | — | Pennsylvania |
| 77 | Winifred Mcdermott | 8 | Daughter | — | Pennsylvania |
| 78 | Catherine Mcdermott | 8 | Daughter | — | Pennsylvania |
| 79 | Charles Mccormick | 55 | Head | — | Ireland |
| 80 | Mary Mccormick | 55 | Wife | — | Ireland |
| 81 | William Mccormick | 23 | Son | — | Pennsylvania |
| 82 | John Flaherty | 50 | Head | Day Laborer | Ireland |
| 83 | Mary Flaherty THIS PERSON | 50 | Wife | — | Ireland |
| 84 | Margaret Flaherty | 23 | Daughter | Saleslady (Dry Goods) | Pennsylvania |
| 85 | Patrick Flaherty | 24 | Son | Plumber | Pennsylvania |
| 86 | Peter Flaherty | 22 | Son | Blacksmith (Shop) | Pennsylvania |
| 87 | Michael Flaherty | 19 | Son | Day Laborer | Pennsylvania |
| 88 | John Flaherty | 17 | Son | Day Laborer | Pennsylvania |
| 89 | Catherine Flaherty | 14 | Daughter | At School | Pennsylvania |
| 90 | Joseph Flaherty | 10 | Son | At School | Pennsylvania |
| 91 | William Flaherty | 7 | Son | — | Pennsylvania |
| 92 | Edward Sherman | 28 | Head | Baker | New York |
| 93 | Mary Sherman | 28 | Wife | — | Ireland |
| 94 | Margaret Sherman | 5 | Step Daughter | At School | Pennsylvania |
| 95 | Alice Sherman | 4 | Step Daughter | — | Pennsylvania |
| 96 | Ruth Sherman | 2 | Step Daughter | — | Pennsylvania |
| 97 | Patrick Mctighe | 40 | Head | Day Laborer | Ireland |
| 98 | Mary Mctighe | 34 | Wife | — | Pennsylvania |
| 99 | Nellie Mctighe | 9 | Daughter | — | Pennsylvania |
| 100 | Agnes Mctighe | 10 | 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)