WG
William Gallagher — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Gallagher across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Ada & James — first a son (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Gallagher |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Betty Gallagher | Daughter | — | 13 | ~1927 |
| Elizabeth Gallagher | Head | — | 51 | ~1889 |
| William Gallagher | Son | — | 27 | ~1913 |
| Robert Gallagher | Son | — | 22 | ~1918 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 17
Philadelphia, Pennsylvania · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gallagher |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 27
Philadelphia-County, Pennsylvania · implied b. ~1913 — 4 household members
| Surname | Gallagher |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Bookkeeper |
| Industry | Office |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1600 |
| Highest Grade | H 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 William Gallagher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ada Gallagher (~0.92 confidence) and father James Gallagher (~0.92 confidence) and mother Elizabeth Gallagher (~0.92 confidence) and mother Rose Gallagher (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ada Gallagher
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
James Gallagher
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Gallagher
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Rose Gallagher
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Gallagher
Son · 1940 · age 27 · b. ~1913 · Pennsylvania
★ You are viewing this record
Sibling
Betty Gallagher
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Gallagher
Sibling · 1940 · age 22
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03709-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Angelo Cassese | 37 | Head | Chauffeur | Pennsylvania |
| 2 | Catherine Cassese | 31 | Wife | — | Pennsylvania |
| 3 | Anthony Cassese | 16 | Son | — | Pennsylvania |
| 4 | Frank Jr. Pange | 40 | Head | Machinist | Pennsylvania |
| 5 | Marie Pange | 35 | Wife | — | Pennsylvania |
| 6 | Francis Pange | 16 | Son | — | Pennsylvania |
| 7 | Robert Pange | 6 | Son | — | Pennsylvania |
| 8 | Robert Kingston | 48 | Head | Night Watchman | Pennsylvania |
| 9 | Mary Kingston | 48 | Wife | — | Pennsylvania |
| 10 | Jane Kambar | 5 | Niece | — | Pennsylvania |
| 11 | Mary Kambar | 80 | Mother | — | Pennsylvania |
| 12 | Harry Boyle | 42 | Head | Helper | Pennsylvania |
| 13 | Rose Boyle | 34 | Wife | Machine Operator | Pennsylvania |
| 14 | William Stoldt | 75 | Head | Ship Keeper | Germany |
| 15 | Emma Stoldt | 66 | Wife | — | Germany |
| 16 | Emma O'Donald | 34 | Daughter | File Clerk | Pennsylvania |
| 17 | Mary Mcanally | 58 | Head | Housework | England |
| 18 | Elizabeth Gallagher | 51 | Head | — | Pennsylvania |
| 19 | William Gallagher THIS PERSON | 27 | Son | Bookkeeper | Pennsylvania |
| 20 | Robert Gallagher | 22 | Son | Salesman | Pennsylvania |
| 21 | Betty Gallagher | 13 | Daughter | — | Pennsylvania |
| 22 | Joseph Sherwin | 52 | Head | Electrician | Pennsylvania |
| 23 | Nelly Sherwin | 45 | Wife | — | Pennsylvania |
| 24 | Clair Sherwin | 21 | Son | New Worker | Pennsylvania |
| 25 | Joseph Sherwin | 16 | Son | New Worker | Pennsylvania |
| 26 | Charles Hines | 56 | Head | Dyer | Pennsylvania |
| 27 | Christine Hines | 55 | Wife | — | Pennsylvania |
| 28 | Ida Hines | 22 | Daughter | Weaver | Pennsylvania |
| 29 | Delores Hines | 12 | Daughter | — | Pennsylvania |
| 30 | George Rertheimer | 41 | Head | Helper | Germany |
| 31 | Catherine Rertheimer | 38 | Wife | — | Germany |
| 32 | Catherine Rertheimer | 10 | Daughter | — | Pennsylvania |
| 33 | Ferdinand Rertheimer | 7 | Son | — | Germany |
| 34 | Albert Rertheimer | 3 | Son | — | Germany |
| 35 | Marie Grecka | 35 | Head | File Clerk | Pennsylvania |
| 36 | Francis Grecka | 15 | Son | — | Pennsylvania |
| 37 | Marie Grecka | 10 | Daughter | — | Pennsylvania |
| 38 | John Grecka | 7 | Son | — | Pennsylvania |
| 39 | Edward Everly | 24 | Head | Butcher | Pennsylvania |
| 40 | Mildred Everly | 22 | Wife | Helper | Pennsylvania |
Pedigree Summary
William + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)