JL
John Logan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Logan across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 6-person household.
Age 70
b. ~1870
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Logan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Phila |
| Est. Birth Year | ~1870 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Logan | Head | — | 70 | ~1870 |
| Francis Logan | Son | — | 35 | ~1905 |
| Andrew Logan | Son | — | 42 | ~1898 |
| Charles Logan | Son | — | 38 | ~1902 |
| Vincent Logan | Son | — | 30 | ~1910 |
| Elizabeth Logan | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 50
Philadelphia, Pennsylvania · implied b. ~1870 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Scotland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Inspector |
| Industry | Hardware |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | scotland |
1930
Philadelphia, Pennsylvania
Head, age 58
Philadelphia, Pennsylvania · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | North Ireland |
| Occupation | Inspector |
| Industry | Hardware Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Philadelphia-County, Pennsylvania
Head, age 70
Philadelphia-County, Pennsylvania · implied b. ~1870 — 6 household members
| Surname | Logan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Phila. |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 John Logan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Logan
Head · 1940 · age 70 · b. ~1870 · Pennsylvania
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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-t0627-03722-00429)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thelma Sharp | 3 | daughter | — | New Jersey |
| 42 | Lee S. Sharp | 1 | son | — | Pennsylvania |
| 43 | Thomas Creedy | 55 | lodger | Trucker | South Ireland |
| 44 | William Straw | 51 | Head | Plasterer | Pennsylvania |
| 45 | Edna Straw | 46 | Wife | — | Pennsylvania |
| 46 | Samuel Clark | 54 | Head | Tipstaff | Pennsylvania |
| 47 | Christina Clark | 54 | Wife | — | Massachusetts |
| 48 | James Chambers | 39 | Head | Clerical Work | Pennsylvania |
| 49 | Ethel Chambers | 41 | Wife | — | Pennsylvania |
| 50 | Mary Chambers | 41 | sister | Stenographer | Pennsylvania |
| 51 | James Emerson | 52 | Head | Receiving Clerk | Scotland |
| 52 | Mary Emerson | 53 | wife | — | Scotland |
| 53 | Robert Emerson | 22 | son | C.C.C. Camp | Scotland |
| 54 | Gavin Emerson | 19 | son | New Worker | Scotland |
| 55 | Ellen Grant | 29 | daughter | Sewing Operator | Scotland |
| 56 | Henry Grant | 7 | grandson | — | Pennsylvania |
| 57 | Warren Michener | 46 | Head | Radio Repair | Pennsylvania |
| 58 | Mary Michener | 48 | Wife | Burler | England |
| 59 | Arthur Michener | 19 | son | New Worker | Pennsylvania |
| 60 | Mary Michener | 89 | Mother | — | England |
| 61 | Edgar Michener | 56 | Brother | Machine Hand | Pennsylvania |
| 62 | Robert Mckay | 33 | Head | Hosiery Knitter | Pennsylvania |
| 63 | Agnes Mckay | 32 | wife | — | Pennsylvania |
| 64 | John Mckay | 10 | son | — | Pennsylvania |
| 65 | Agnes Mckay | 9 | daughter | — | Pennsylvania |
| 66 | Edward Mckay | 7 | son | — | Pennsylvania |
| 67 | Robert Mckay | 5 | son | — | Pennsylvania |
| 68 | John Logan THIS PERSON | 70 | Head | — | Scotland |
| 69 | Elizabeth Logan | 70 | Wife | — | Scotland |
| 70 | Andrew Logan | 42 | son | Policeman | Pennsylvania |
| 71 | Charles Logan | 38 | son | Lace Weaver | Pennsylvania |
| 72 | Francis Logan | 35 | son | Plumber Helper | Pennsylvania |
| 73 | Vincent Logan | 30 | son | — | Pennsylvania |
| 74 | William H. Fulton | 52 | Head | Drill Press Oper. | Pennsylvania |
| 75 | Margaret Fulton | 51 | Wife | Winder | Pennsylvania |
| 76 | John Fulton | 19 | son | — | Pennsylvania |
| 77 | Robert Fulton | 15 | son | — | Pennsylvania |
| 78 | Marie Fulton | 10 | daughter | — | Pennsylvania |
| 79 | Gerard Dowd | 32 | Head | Motorcycle Police | Pennsylvania |
| 80 | Pauline Dowd | 26 | Wife | — | 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)