MF
Mary Flaherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Flaherty across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 9-person household.
Age 49
b. ~1891
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Flaherty |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | First papers filed |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1891 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Patrick Flaherty | Son | — | 15 | ~1925 |
| Mary Flaherty | Spouse | — | 49 | ~1891 |
| Regis Flaherty | Son | — | 12 | ~1928 |
| Sarah Flaherty | Daughter | — | 9 | ~1931 |
| Bridget Flaherty | Daughter | — | 6 | ~1934 |
| Mary Flaherty | Daughter | — | 17 | ~1923 |
| Dolores Flaherty | Daughter | — | 20 | ~1920 |
| Rita Flaherty | Daughter | — | 13 | ~1927 |
| Bart Flaherty | Head | — | 41 | ~1899 |
Census Appearances
1930
Allegheny, Pennsylvania
Spouse, age 38
Allegheny, Pennsylvania · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 18 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Allegheny-County, Pennsylvania
Spouse, age 49
Allegheny-County, Pennsylvania · implied b. ~1891 — 9 household members
| Surname | Flaherty |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Naturalization Status | First papers filed |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| 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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Flaherty
Spouse · 1940 · age 49 · b. ~1891 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
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1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03672-00449)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Briggs | 90 | Head | — | England |
| 42 | Mary Briggs | 59 | Daughter | Real Estate | England |
| 43 | Harry Kirby | 49 | Head | Painter | New York |
| 44 | Jessie Kirby | 47 | Wife | — | New Jersey |
| 45 | Ronald Kirby | 21 | Son | Laborer | Pennsylvania |
| 46 | Bill Kirby | 23 | Son | Laborer | New York |
| 47 | Robert G. Patterson | 57 | Head | Laborer | Pennsylvania |
| 48 | Sadie M. Patterson | 57 | Wife | — | Pennsylvania |
| 49 | Paul M. Sheldon | 29 | Lodger | Truck Helper | Pennsylvania |
| 50 | Bart Flaherty | 41 | Head | Police Man | Pennsylvania |
| 51 | Mary C. Flaherty THIS PERSON | 49 | Wife | — | Ireland |
| 52 | Dolores Flaherty | 20 | Daughter | — | Pennsylvania |
| 53 | Mary Flaherty | 17 | Daughter | — | Pennsylvania |
| 54 | Patrick Flaherty | 15 | Son | — | Pennsylvania |
| 55 | Rita Flaherty | 13 | Daughter | — | Pennsylvania |
| 56 | Regis Flaherty | 12 | Son | — | Pennsylvania |
| 57 | Sarah Flaherty | 9 | Daughter | — | Pennsylvania |
| 58 | Bridget Flaherty | 6 | Daughter | — | Pennsylvania |
| 59 | Robert O. Wagner | 41 | Head | Patrol Police | Pennsylvania |
| 60 | Nell Wagner | 43 | Wife | — | Illinois |
| 61 | Grace Guarino | 76 | Head | — | Italy |
| 62 | Samuel Guarino | 48 | Son | Proprietor | Italy |
| 63 | Margaret Gallagher | 72 | Head | Cleaning | Pennsylvania |
| 64 | Rubenhard | 65 | Lodger | Laborer | Pennsylvania |
| 65 | F. E. Cavett | 69 | Head | Pension | Pennsylvania |
| 66 | Emma D. Cavett | 65 | Wife | — | Pennsylvania |
| 67 | Mary Wood | 60 | Lodger | Cleaning | Pennsylvania |
| 68 | Walter Hullerman | 33 | Head | Truck Driver | Pennsylvania |
| 69 | Lottie Hullerman | 30 | Wife | — | Pennsylvania |
| 70 | Ora Hlavis | 61 | Head | Seamstress | Pennsylvania |
| 71 | James Powell | 57 | Head | Laborer | — |
| 72 | Catherine Powell | 54 | Wife | — | Erie Ireland |
| 73 | Catherine Ullman | 27 | Lodger | Cleaning | Pennsylvania |
| 74 | John Powell | 34 | Son | — | Pennsylvania |
| 75 | William Powell | 24 | Son | — | Pennsylvania |
| 76 | George Shaw | 57 | Head | Laborer | Pennsylvania |
| 77 | Ray Shaw | 23 | Son | Office Work | Pennsylvania |
| 78 | Earl Shaw | 19 | Son | Office Work | Pennsylvania |
| 79 | Aida Jack | 34 | Head | Sewing | Indiana |
| 80 | Charles Jack | 11 | Son | — | Pennsylvania |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)