MD
Mary Dolan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Dolan across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1867), then head of a 8-person household.
Age 63
b. ~1867
Female
Spouse
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Dolan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1867 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Katherine Dolan | Daughter | — | 39 | ~1891 |
| Edward Dolan | Son | — | 37 | ~1893 |
| Joseph Dolan | Son | — | 20 | ~1910 |
| Thomas Dolan | Head | — | 65 | ~1865 |
| Nellie Dolan | Daughter | — | 30 | ~1900 |
| Mary Dolan | Daughter | — | 22 | ~1908 |
| Mary Dolan | Spouse | — | 63 | ~1867 |
| Margaret Dolan | Daughter | — | 32 | ~1898 |
Census Appearances
1930
Allegheny, Pennsylvania
Spouse, age 63
Allegheny, Pennsylvania · implied b. ~1867 — 8 household members
| Surname | Dolan |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Other, age 75
Allegheny-County, Pennsylvania · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doolin |
| Given Name | Mary |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Tarentum Borough |
| 1935 Residence (County) | Allegheny |
| Highest Grade | No 6 |
| 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 Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dolan
Spouse · 1930 · age 63 · b. ~1867 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1978:0781)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Price | 46 | Head | Seamstress | Germany |
| 2 | Marie J. Price | 24 | Daughter | Stenographer | Pennsylvania |
| 3 | Elizabeth Mast | 61 | Lodger | Matron | Germany |
| 4 | Margaret Hilliard | 25 | Lodger | Saleslady | Pennsylvania |
| 5 | Thomas Dolan | 65 | Head | Laborer | Pennsylvania |
| 6 | Mary E. Dolan THIS PERSON | 63 | Wife | — | Pennsylvania |
| 7 | Katherine Dolan | 39 | Daughter | — | Pennsylvania |
| 8 | Edward Dolan | 37 | Son | Bookkeeper | Pennsylvania |
| 9 | Margaret Dolan | 32 | Daughter | Seamstress | Pennsylvania |
| 10 | Nellie Dolan | 30 | Daughter | Inspector | Pennsylvania |
| 11 | Joseph Dolan | 20 | Son | Stenographer | Pennsylvania |
| 12 | Mary Lou Dolan | 22 | Daughter | — | Pennsylvania |
| 13 | Thomas Sullivan | 55 | Head | Assessor | England |
| 14 | Margaret Sullivan | 55 | Wife | — | Northern Ireland |
| 15 | Katherine Sullivan | 24 | Daughter | Saleslady | Pennsylvania |
| 16 | Stephen Sullivan | 19 | Son | — | Pennsylvania |
| 17 | Gilbert Long | 39 | Head | Treasurer | Pennsylvania |
| 18 | Matilda J. Long | 36 | Wife | — | Pennsylvania |
| 19 | John Long | 15 | Son | — | Pennsylvania |
| 20 | Alice Long | 13 | Daughter | — | Pennsylvania |
| 21 | Ruth Long | 11 | Daughter | — | Pennsylvania |
| 22 | Jane J. Long | 9 | Daughter | — | Pennsylvania |
| 23 | Dennis J. Leahy | 63 | Head | Plumber | Pennsylvania |
| 24 | Anna J. Leahy | 55 | Wife | — | Pennsylvania |
| 25 | Mary K. Leahy | 26 | Daughter | Stenographer | Pennsylvania |
| 26 | Francis Leahy | 22 | Son | Salesman | Pennsylvania |
| 27 | Anna Leahy | 20 | Daughter | Inspector | Pennsylvania |
| 28 | Joseph Leahy | 16 | Son | — | Pennsylvania |
| 29 | Anna Milton | 12 | Niece | — | Pennsylvania |
| 30 | Florence Milton | 12 | Niece | — | Pennsylvania |
| 31 | Margaret Sproule | 42 | Sister-in-law | Saleslady | Pennsylvania |
| 32 | Francis Sproule | 16 | Nephew | — | Pennsylvania |
| 33 | Margaret Sproule | 10 | Niece | — | Pennsylvania |
| 34 | John M. Lyons | 36 | Head | Clerk | Pennsylvania |
| 35 | Marion Lyons | 32 | Wife | — | Pennsylvania |
| 36 | Regina M. Lyons | 5 | Daughter | — | Pennsylvania |
| 37 | John M. Jr. Lyons | 3 | Son | — | Pennsylvania |
| 38 | Frank J. Smith | 35 | Head | Florist | Pennsylvania |
| 39 | Gertrude R. Smith | 32 | Wife | — | New York |
| 40 | Katherine Smith | 11 | Daughter | — | Pennsylvania |
| 41 | George J. Smith | 10 | Son | — | Pennsylvania |
| 42 | Mary J. Smith | 3 | Daughter | — | Pennsylvania |
| 43 | Frank Jr. Smith | 1 | Son | — | Pennsylvania |
| 44 | Thomas Lyons | 34 | Head | Sergeant | Pennsylvania |
| 45 | Margaret Lyons | 30 | Wife | — | Pennsylvania |
| 46 | Ruth Lyons | 2 | Daughter | — | Pennsylvania |
| 47 | Thomas Jr. Lyons | 0 | Son | — | Pennsylvania |
| 48 | Nicholas Paskas | 38 | Head | Laborer | Czechoslovakia |
| 49 | Mary Paskas | 37 | Wife | — | Czechoslovakia |
| 50 | Michael Paskas | 20 | Son | Laborer | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)