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William Curran — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this William Curran across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Curran |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharon Hill |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Highest Grade | No H-1 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Chester |
| Est. Birth Year | ~1925 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Curran | Head | — | 40 | ~1900 |
| William Curran | Son | — | 15 | ~1925 |
| Mary Curran | Spouse | — | 36 | ~1904 |
| Francis Curran | Son | — | 12 | ~1928 |
| Sarah Curran | Daughter | — | 13 | ~1927 |
| Mary Curran | Daughter | — | 6 | ~1934 |
| David Curran | Son | — | 8 | ~1932 |
| Monica Curran | Daughter | — | 2 | ~1938 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 4
Philadelphia, Pennsylvania · implied b. ~1926 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curren |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 15
Delaware-County, Pennsylvania · implied b. ~1925 — 8 household members
| Surname | Curran |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sharon Hill |
| 1935 Residence (County) | Delaware |
| Highest Grade | No H-1 |
| 1935 Residence | Pennsylvania |
| 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 William Curran across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Curran
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Sarah Curran
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Curran
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Curran
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Monica Curran
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Curran
Sibling · 1940 · age 6
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03488-00338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clyde Mitchell | 36 | Head | Driver-Truck | Pennsylvania |
| 2 | Eleanor Mitchell | 34 | Wife | — | Pennsylvania |
| 3 | Allyn Webster | 22 | Head | Open Furnace | Pennsylvania |
| 4 | Ralph Larson | 26 | Partner | Open Hearth | Philippine |
| 5 | Mary Martin | 29 | Head | Waitress | Pennsylvania |
| 6 | Meyer Blanks | 43 | Head | Real Estate | Lithuania |
| 7 | Lucian Long | 34 | Head | Lead Burner | Maryland |
| 8 | Eleanor Long | 31 | Wife | — | Pennsylvania |
| 9 | June Long | 2 | Daughter | — | New Jersey |
| 10 | Harry E. Ramsey | 60 | Head | — | Pennsylvania |
| 11 | Laura Ramsey | 76 | Sister | — | Pennsylvania |
| 12 | — | None | — | — | — |
| 13 | — | None | — | — | — |
| 14 | Frank Harris | 56 | Head | Molder | Pennsylvania |
| 15 | Mary Harris | 53 | Wife | — | Pennsylvania |
| 16 | Irene Harris | 19 | Daughter | — | Pennsylvania |
| 17 | Carmalie Kaplin | 76 | Head | — | Delaware |
| 18 | Charles Doling | 20 | Lodger | Machinist | Pennsylvania |
| 19 | Harry Mcdonerty | 48 | Lodger | Salesman | Pennsylvania |
| 20 | Elizabeth Mcdonerty | 49 | Lodger | — | Pennsylvania |
| 21 | Elizabeth Mcdonerty | 15 | Daughter | — | Pennsylvania |
| 22 | Harry Mcdonerty | 14 | Son | — | Pennsylvania |
| 23 | Catherine Mcclenican | 79 | Lodger | — | Pennsylvania |
| 24 | John H. Taylor | 62 | Head | Roofer | New Jersey |
| 25 | Hannah Taylor | 59 | Wife | — | Delaware |
| 26 | John H. Taylor | 20 | Son | Rubber | Pennsylvania |
| 27 | William Curran | 40 | Head | Helper Car Shop | Eire |
| 28 | Mary Curran | 36 | Wife | — | Pennsylvania |
| 29 | William Jr. Curran THIS PERSON | 15 | Son | — | Pennsylvania |
| 30 | Sarah Curran | 13 | Daughter | — | Pennsylvania |
| 31 | Francis Curran | 12 | Son | — | Pennsylvania |
| 32 | David Curran | 8 | Son | — | Pennsylvania |
| 33 | Mary Jo Curran | 6 | Daughter | — | Pennsylvania |
| 34 | Monica Curran | 2 | Daughter | — | Pennsylvania |
| 35 | Walter R. Bouldon | 70 | Head | — | Pennsylvania |
| 36 | Flora C. Bouldon | 66 | Wife | — | Pennsylvania |
| 37 | Robert R. Halt | 26 | Nephew | Teacher | Pennsylvania |
| 38 | Paul Brown | 44 | Head | Pipe Fitter | Pennsylvania |
| 39 | Margaret Brown | 39 | Wife | — | Maryland |
| 40 | Jerry Brown | 10 | 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)