MR
Mary Regan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Regan across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Regan |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1922 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Irene Regan | Daughter | — | 14 | ~1926 |
| Mary Floren | Other | — | 74 | ~1866 |
| Mary Regan | Daughter | — | 18 | ~1922 |
| David Regan | Head | — | 46 | ~1894 |
| Carol Regan | Daughter | — | 5 | ~1935 |
| Anna Floren | Other | — | 34 | ~1906 |
| David Regan | Son | — | 12 | ~1928 |
| Marie Floren | Other | — | 40 | ~1900 |
| Catherine Regan | Spouse | — | 47 | ~1893 |
| Francis Regan | Son | — | 10 | ~1930 |
| Coletta Regan | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 7
Allegheny, Pennsylvania · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ragan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Birthplace | Pennsylvania |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Daughter, age 18
Allegheny-County, Pennsylvania · implied b. ~1922 — 11 household members
| Surname | Regan |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Regan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Regan
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
David Regan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Regan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coletta Regan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Regan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Regan
Sibling · 1940 · 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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03655-00633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucilla Atkins | 26 | Wife | — | Pennsylvania |
| 42 | Charles Atkins | 5 | Son | — | Pennsylvania |
| 43 | Cecilia Atkins | 3 | Daughter | — | Pennsylvania |
| 44 | Mary Sohl | 53 | Head | — | Pennsylvania |
| 45 | Robert D. Hainer | 35 | Head | Electrician | Pennsylvania |
| 46 | Anna C. Hainer | 34 | Wife | — | Pennsylvania |
| 47 | Robert Jr. Hainer | 11 | Son | — | Pennsylvania |
| 48 | Patricia Hainer | 9 | Daughter | — | Pennsylvania |
| 49 | Richard Hainer | 5 | Son | — | Pennsylvania |
| 50 | Minnie Geidel | 59 | Head | — | Pennsylvania |
| 51 | Martin Bauer | 54 | Lodger | Interior Decorator | New York |
| 52 | Emma Mcdonald | 50 | Lodger | Interior Decorator | Canada |
| 53 | Albert C. Kass | 45 | Head | Foreman | Pennsylvania |
| 54 | Salva C. Kass | 35 | Wife | — | Pennsylvania |
| 55 | Ruth C. Kass | 11 | Daughter | — | Pennsylvania |
| 56 | Albert Jr. Kass | 9 | Son | — | Pennsylvania |
| 57 | Francis Dougherty | 40 | Brother-in-law | Electric Worker | Pennsylvania |
| 58 | Fred Freund | 59 | Head | Presser | Pennsylvania |
| 59 | Rose Freund | 57 | Wife | Cook | Pennsylvania |
| 60 | Rosalie Freund | 29 | Daughter | Clerical Work | Pennsylvania |
| 61 | Gertrude Freund | 27 | Daughter | Stenographer | Pennsylvania |
| 62 | Ida Freund | 21 | Daughter | Gen Office Work | Pennsylvania |
| 63 | Margaret Freund | 19 | Daughter | — | Pennsylvania |
| 64 | Catherine Freund | 15 | Daughter | Clerical Work | Pennsylvania |
| 65 | William Freund | 14 | Son | — | Pennsylvania |
| 66 | Margaret Hanson | 71 | Lodger | — | Pennsylvania |
| 67 | David G. Regan | 46 | Head | Cement Finisher | Pennsylvania |
| 68 | Catherine Regan | 47 | Wife | — | Pennsylvania |
| 69 | Mary A. Regan THIS PERSON | 18 | Daughter | — | Pennsylvania |
| 70 | Coletta Regan | 16 | Daughter | — | Pennsylvania |
| 71 | Irene Regan | 14 | Daughter | — | Pennsylvania |
| 72 | David Regan | 12 | Son | — | Pennsylvania |
| 73 | Francis Regan | 10 | Son | — | Pennsylvania |
| 74 | Carol Ann Regan | 5 | Daughter | — | Pennsylvania |
| 75 | Mary Floren | 74 | Mother-in-law | — | Ireland |
| 76 | Marie Floren | 40 | Sister-in-law | — | Pennsylvania |
| 77 | Anna Floren | 34 | Sister-in-law | — | Pennsylvania |
| 78 | Thomas H. Lyons | 64 | Head | — | Ireland |
| 79 | Mary Breen | None | Head | — | Ireland |
| 80 | Mary Breen | 19 | Daughter | Clerical | Pennsylvania |
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)