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Mary Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 7-person household.
Age 41
b. ~1899
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Dolan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bellevue Boro |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Bellevue Boro |
| Est. Birth Year | ~1899 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jane Dolan | Daughter | — | 11 | ~1929 |
| Lucille Dolan | Daughter | — | 14 | ~1926 |
| Mary Dolan | Spouse | — | 41 | ~1899 |
| Margaret Dolan | Daughter | — | 9 | ~1931 |
| Clarence Dolan | Head | — | 49 | ~1891 |
| Molly Dolan | Daughter | — | 16 | ~1924 |
| Robert Dolan | Son | — | 15 | ~1925 |
Census Appearances
1930
Allegheny, Pennsylvania
Other, age 31
Allegheny, Pennsylvania · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 41
Allegheny-County, Pennsylvania · implied b. ~1899 — 7 household members
| Surname | Dolan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bellevue Boro |
| 1935 Residence (County) | Allegheny |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| 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 Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Dolan
Spouse · 1940 · age 41 · b. ~1899 · 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
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03397-00760)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Franklin Dunlap | 60 | Head | Executive | Pennsylvania |
| 2 | Rose-Jay Dunlap | 51 | Wife | — | New York |
| 3 | Ralph Burton | 34 | Head | Janitor | Virginia |
| 4 | Willie Burton | 17 | Brother | Odd Jobs | Virginia |
| 5 | Michael C. Schneider | 63 | Head | — | Pennsylvania |
| 6 | Margaret A. Schneider | 58 | Wife | — | Pennsylvania |
| 7 | John E. Schneider | 30 | Son | Resident Doctor | Pennsylvania |
| 8 | Charles J. Schneider | 26 | Son | Clerk | Pennsylvania |
| 9 | Margaret Schneider | 23 | Daughter | Stenographer | Pennsylvania |
| 10 | Mary Louise Miller | 21 | Maid | Maid | Pennsylvania |
| 11 | Cyril M. Bregger | 45 | Head | Draftsman | Iowa |
| 12 | Sylvia Bregger | 45 | Wife | — | Pennsylvania |
| 13 | Sylvia R. Bregger | 23 | Daughter | Stenographer | Pennsylvania |
| 14 | Elinor Bregger | 21 | Daughter | Telephone Operator | Pennsylvania |
| 15 | William Bregger | 20 | Son | — | Pennsylvania |
| 16 | Mary Alice Bregger | 17 | Daughter | — | Pennsylvania |
| 17 | William G. Martin | 73 | Father-in-law | Watchman | Pennsylvania |
| 18 | William Mcclellan | 46 | Head | Dentist | Pennsylvania |
| 19 | Pearl Mcclellan | 41 | Wife | — | Pennsylvania |
| 20 | Robert Mcclellan | 10 | Son | — | Pennsylvania |
| 21 | Clarence V. Dolan | 49 | Head | Accountant | Pennsylvania |
| 22 | Mary E. Dolan THIS PERSON | 41 | Wife | — | Pennsylvania |
| 23 | Molly M. Dolan | 16 | Daughter | — | Pennsylvania |
| 24 | Robert B. Dolan | 15 | Son | — | Pennsylvania |
| 25 | Lucille M. Dolan | 14 | Daughter | — | Pennsylvania |
| 26 | Jane M. Dolan | 11 | Daughter | — | Pennsylvania |
| 27 | Margaret E. Dolan | 9 | Daughter | — | Pennsylvania |
| 28 | Robert L. Underwood | 31 | Head | Agent | Pennsylvania |
| 29 | Mildred Underwood | 31 | Wife | — | Pennsylvania |
| 30 | Carol Lee Underwood | 9 | Daughter | — | Pennsylvania |
| 31 | Robert L. Jr. Underwood | 8 | Son | — | Pennsylvania |
| 32 | Barbara Underwood | 7 | Daughter | — | Pennsylvania |
| 33 | Mildred Helen Underwood | 4 | Daughter | — | Pennsylvania |
| 34 | Ruth Ann Underwood | 2 | Daughter | — | Pennsylvania |
| 35 | Sally Underwood | 1 | Daughter | — | Pennsylvania |
| 37 | Cornelia Cathcart | 33 | Head | Stenographer | Pennsylvania |
| 38 | Caroline Cathcart | 30 | Sister | Teacher | Pennsylvania |
| 39 | Clementine Bauer | 62 | Head | Asst. Clerk | Pennsylvania |
| 40 | Bertha Bauer | 59 | Sister | — | 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)