JL
James Logan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this James Logan across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mrs & James — first a son (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Logan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Donovan | Other | — | 27 | ~1913 |
| James Logan | Son | — | 30 | ~1910 |
| Mary Mc Enaney | Other | — | 28 | ~1912 |
| Margaret Logan | Daughter | — | 35 | ~1905 |
| Mrs Logan | Head | — | 60 | ~1880 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | 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 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Apprentice |
| Industry | Electric Storage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 30
Philadelphia-County, Pennsylvania · implied b. ~1910 — 5 household members
| Surname | Logan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Class of Worker | 0 |
| Hours Worked | 0 |
| 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 James Logan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mrs Logan (~0.92 confidence) and father James Logan (~0.92 confidence) and mother Catherine Logan (~0.92 confidence) and mother Fannie Logan (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Mother
Mrs Logan
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
James Logan
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Catherine Logan
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Fannie Logan
b. ~1904
Source mother
● Household
· direct · ~0.6
This person
Anchor record
James Logan
Son · 1940 · age 30 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Margaret Logan
Sibling · 1940 · age 35
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
37 people indexed on this census page (nara:1940:m-t0627-03701-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret O Mc Crea | 56 | Head | Owner | Pennsylvania |
| 2 | Florence Mc Crea | 53 | Sister | Owner | Pennsylvania |
| 3 | Joseph Mc Caffrey | 62 | Brother-in-law | — | Pennsylvania |
| 4 | Mrs. Mc Caffrey | 59 | Wife | — | Pennsylvania |
| 5 | Joseph Mc Caffrey | 32 | Nephew | Foreman | Pennsylvania |
| 6 | John Mc Caffrey | 30 | Nephew | Gas Station Att. | Pennsylvania |
| 7 | Mary Mc Caffrey | 31 | Niece | — | Pennsylvania |
| 8 | Rita Mc Caffrey | 24 | Niece | — | Pennsylvania |
| 9 | Alice Mc Caffrey | 26 | Niece | — | Pennsylvania |
| 10 | Thomas J. Lippincott | 51 | Head | Executive | Massachusetts |
| 11 | Ella T. Lippincott | 46 | Wife | — | Maryland |
| 12 | Lois T. Lippincott | 17 | Daughter | — | Pennsylvania |
| 13 | Thomas J. Lippincott | 15 | Son | — | Pennsylvania |
| 14 | Mary Griffin | 52 | Servant | Housework | Northern Ireland |
| 15 | Mrs. Samuel S. Logan | 60 | Head | — | Pennsylvania |
| 16 | Margaret Logan | 35 | Daughter | — | Pennsylvania |
| 17 | James Logan THIS PERSON | 30 | Son | — | Pennsylvania |
| 18 | Mary Mc Enaney | 28 | Maid | — | Eire |
| 19 | Mary Donovan | 27 | Maid | — | Eire |
| 20 | William W. Davison | 64 | Head | Lawyer | New Jersey |
| 21 | Constance L. Davison | 61 | Wife | — | California |
| 22 | William W. Davison | 30 | Son | Real Estate Inspector | Pennsylvania |
| 23 | Martha Jackson | 60 | Servant | Servant | Maryland |
| 24 | Roma Harvey | 38 | Servant | Servant | Maryland |
| 25 | Otto Winterstein | 53 | Head | Executive | Pennsylvania |
| 26 | Clarence Winterstein | 51 | Brother | Appliance Manager | Pennsylvania |
| 29 | John S. Wurts | 63 | Head | Lawyer | Pennsylvania |
| 30 | Dorothy B. Wurts | 44 | Wife | — | Illinois |
| 31 | Dorothy W. Wurts | 21 | Daughter | — | Pennsylvania |
| 32 | John S. Wurts | 18 | Son | — | Pennsylvania |
| 33 | Davis P. Wurts | 16 | Son | — | Pennsylvania |
| 34 | Nellie Christy | 60 | Head | — | Pennsylvania |
| 35 | William Christy | 32 | Son | Salesman | Pennsylvania |
| 36 | Mildred K. Christy | 31 | Daughter-in-law | — | Pennsylvania |
| 37 | Mary Jo Christy | 5 | Granddaughter | — | Pennsylvania |
| 38 | William B. Christy | 3 | Grandson | — | Pennsylvania |
| 40 | Charles W. Phelps | 37 | Head | Treasurer | Pennsylvania |
Pedigree Summary
James + 1 sibling
Gen 1 · 4 parents
~0.84
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)