MC
Mary Curran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bucks-County, Pennsylvania
Our Model Tree links this Mary Curran across the 1930 and 1940 US Censuses in Bucks-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bucks-County, Pennsylvania |
| Surname | Curran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Andalusia |
| 1935 Residence (County) | Bucks |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Andalusia |
| Est. Birth Year | ~1929 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Catherine Curran | Daughter | — | ~1940 | |
| Mary Curran | Daughter | — | 11 | ~1929 |
| Anna Curran | Daughter | — | 5 | ~1935 |
| Mary Curran | Spouse | — | 27 | ~1913 |
| Elizabeth Curran | Daughter | — | 13 | ~1927 |
| Josephine Curran | Daughter | — | 3 | ~1937 |
| William Curran | Son | — | 7 | ~1933 |
| William Curran | Head | — | 27 | ~1913 |
| Charles Curran | Son | — | 8 | ~1932 |
| Rosemary Curran | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Bucks, Pennsylvania
Daughter, age
Bucks, Pennsylvania · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Courran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Bucks-County, Pennsylvania
Daughter, age 11
Bucks-County, Pennsylvania · implied b. ~1929 — 10 household members
| Surname | Curran |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Andalusia |
| 1935 Residence (County) | Bucks |
| Highest Grade | 5 |
| 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 Curran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Curran
Daughter · 1940 · age 11 · b. ~1929 · Pennsylvania
★ You are viewing this record
Sibling
William Curran
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Curran
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Curran
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Curran
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Curran
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Curran
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Curran
Sibling · 1940 · age 3
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 — Bucks-County, Pennsylvania
Open full size
1940 US Federal Census — Bucks-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03444-00177)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Curran | 27 | Head | Bartender | Eire |
| 2 | Mary A Curran | 27 | Wife | — | Eire |
| 3 | Elizabeth Curran | 13 | Daughter | — | Pennsylvania |
| 4 | Mary Curran THIS PERSON | 11 | Daughter | — | Pennsylvania |
| 5 | Charles Curran | 8 | Son | — | Pennsylvania |
| 6 | William Curran | 7 | Son | — | Pennsylvania |
| 7 | Anna Curran | 5 | Daughter | — | Pennsylvania |
| 8 | Josephine Curran | 3 | Daughter | — | Pennsylvania |
| 9 | Rosemary Curran | 1 | Daughter | — | Pennsylvania |
| 10 | Catherine Curran | 0 | Daughter | — | Pennsylvania |
| 11 | Patrick Mccolgan | 52 | Head | Laborer | Pennsylvania |
| 12 | Anna D Mccolgan | 46 | Wife | — | Pennsylvania |
| 13 | John Mccolgan | 15 | Son | — | Pennsylvania |
| 14 | James Mccolgan | 13 | Son | — | Pennsylvania |
| 15 | William Mccolgan | 11 | Son | — | Pennsylvania |
| 16 | Francis Mccolgan | 9 | Son | — | Pennsylvania |
| 17 | Theresa B Dramisla | 54 | Head | — | Pennsylvania |
| 18 | James Brady | 32 | Brother | Asst Engineer | Pennsylvania |
| 19 | Charles Liran | 33 | Head | Carpenter | Pennsylvania |
| 20 | Mary Liran | 28 | Wife | Trapper | Pennsylvania |
| 21 | Doris Jean Liran | 6 | Daughter | — | Pennsylvania |
| 22 | Charles Lott | 62 | Head | Gardner | Pennsylvania |
| 23 | Katherine Lott | 54 | Wife | — | Pennsylvania |
| 24 | Clarence Ridge | 69 | Brother-in-law | — | Pennsylvania |
| 25 | Charles Ridge | 65 | Brother-in-law | Hauling | Pennsylvania |
| 26 | Charles Areas | 61 | Head | Carpenter | Pennsylvania |
| 27 | Anthony Malley | 27 | Head | Trapper | Pennsylvania |
| 28 | Florence D Malley | 25 | Wife | — | Pennsylvania |
| 29 | James Liran | 32 | Head | Laborer | Pennsylvania |
| 30 | Sarah Liran | 31 | Wife | Laundress | Pennsylvania |
| 31 | Sarah Liran | 17 | Daughter | — | Pennsylvania |
| 32 | James Liran | 17 | Son | — | Pennsylvania |
| 33 | Charles Liran | 16 | Son | — | Pennsylvania |
| 34 | Elisha Liran | 11 | Son | — | Pennsylvania |
| 35 | William Liran | 9 | Son | — | Pennsylvania |
| 36 | Joseph Liran | 5 | Son | — | Pennsylvania |
| 37 | Lottie D Bauer | 66 | Head | — | Pennsylvania |
| 38 | Harry Bauer | 37 | Son | Service Man | Pennsylvania |
| 39 | Elmer Bauer | 33 | Son | Huckster | Pennsylvania |
| 40 | John Bauer | 25 | Son | Huckster | 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)