JL
James Larkin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this James Larkin across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Larkin |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1922 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Catherine Larkin | Spouse | — | 51 | ~1889 |
| James Larkin | Son | — | 18 | ~1922 |
| Thomas Larkin | Son | — | 25 | ~1915 |
| Thomas Larkin | Head | — | 52 | ~1888 |
| John Larkin | Son | — | 23 | ~1917 |
| Francis Larkin | Son | — | 16 | ~1924 |
| Catherine Larkin | Daughter | — | 18 | ~1922 |
| Mary Larkin | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 8
Philadelphia, Pennsylvania · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 8 household members
| Surname | Larkin |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | H-2 |
| 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 Larkin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Larkin
Son · 1940 · age 18 · b. ~1922 · Pennsylvania
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Sibling
Catherine Larkin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Larkin
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Larkin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Larkin
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Larkin
Sibling · 1940 · age 20
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-t0627-03702-00578)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katherine Murray | 19 | Aunt | Seamer | Pennsylvania |
| 2 | Mary A. Murray | 1 | Cousin | — | Pennsylvania |
| 3 | Salvatore Prume | 53 | Head | Asst Man | Italy |
| 4 | Marie Prume | 50 | Wife | — | Italy |
| 5 | Nick Prume | 26 | Son | Clerk | Pennsylvania |
| 6 | Louie Prume | 23 | Son | Tester | Pennsylvania |
| 7 | Joseph Prume | 19 | Son | Waitress | Pennsylvania |
| 8 | Mary Prume | 16 | Daughter | — | Pennsylvania |
| 9 | Samuel Prume | 14 | Son | — | Pennsylvania |
| 10 | Albert Prume | 13 | Son | — | Pennsylvania |
| 11 | Eugene Prume | 10 | Son | — | Pennsylvania |
| 12 | Francis Delaney | 40 | Head | Firemen | Pennsylvania |
| 13 | Bella Delaney | 39 | Wife | Waitress | Pennsylvania |
| 14 | Anastatia Delaney | 19 | Daughter | Stuffer | Pennsylvania |
| 15 | Charles Delaney | 18 | Son | Stockman | Pennsylvania |
| 16 | Frances Delaney | 16 | Daughter | — | Pennsylvania |
| 17 | James Delaney | 2 | Son | — | Pennsylvania |
| 18 | Raymond Elmer | 31 | Head | Rollermaker | Pennsylvania |
| 19 | Pauline Elmer | 25 | Wife | — | Pennsylvania |
| 20 | Joseph Nemarki | 43 | Head | Gardener | Italy |
| 21 | Laura Nemarki | 37 | Wife | — | Pennsylvania |
| 22 | Marie Nemarki | 18 | Daughter | Clerk | Pennsylvania |
| 23 | Rose Nemarki | 16 | Daughter | — | Pennsylvania |
| 24 | Carmella Nemarki | 14 | Daughter | — | Pennsylvania |
| 25 | Saverio Nemarki | 13 | Daughter | — | Pennsylvania |
| 26 | Joseph, Jr. Nemarki | 7 | Son | — | Pennsylvania |
| 27 | Louis Nemarki | 6 | Son | — | Pennsylvania |
| 28 | Catherine Nemarki | 2 | Daughter | — | Pennsylvania |
| 29 | David Macland | 59 | Head | Painter | Northern Ireland |
| 30 | Ellen Macland | 51 | Wife | — | Scotland |
| 31 | Margaret Stewart | 54 | Sister | — | Northern Ireland |
| 32 | John D. Stewart | 24 | Nephew | Clerk | Northern Ireland |
| 33 | Thomas J. Larkin | 52 | Head | Heater | Pennsylvania |
| 34 | Catherine L. Larkin | 51 | Wife | — | Pennsylvania |
| 35 | Thomas J. Jr. Larkin | 25 | Son | Tester | Pennsylvania |
| 36 | John J. Larkin | 23 | Son | Laboratory Man | Pennsylvania |
| 37 | Mary E. Larkin | 20 | Daughter | Clerk | Pennsylvania |
| 38 | James A. Larkin THIS PERSON | 18 | Son | — | Pennsylvania |
| 39 | Catherine Larkin | 18 | Daughter | — | Pennsylvania |
| 40 | Francis B. Larkin | 16 | Son | — | 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)