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James Mclaughlin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this James Mclaughlin across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | McLaughlin |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Glenolden borough |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Laborer |
| Industry | Cafeteria |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Glenolden Borough |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Mclaughlin | Daughter | — | 3 | ~1937 |
| Anita Mclaughlin | Daughter | — | 17 | ~1923 |
| James Mclaughlin | Head | — | 43 | ~1897 |
| John Mclaughlin | Son | — | 12 | ~1928 |
| George Mclaughlin | Son | — | 1 | ~1939 |
| Joseph Mclaughlin | Son | — | 3 | ~1937 |
| Charles Mclaughlin | Son | — | 5 | ~1935 |
| Robert Mclaughlin | Son | — | 14 | ~1926 |
| James Mclaughlin | Son | — | 19 | ~1921 |
| Marie Mclaughlin | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 9
Delaware, Pennsylvania · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLaughlin |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Delaware-County, Pennsylvania
Son, age 19
Delaware-County, Pennsylvania · implied b. ~1921 — 10 household members
| Surname | McLaughlin |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Glenolden borough |
| 1935 Residence (County) | Delaware |
| Occupation | Laborer |
| Industry | Cafeteria |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| 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 Mclaughlin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mclaughlin
Son · 1940 · age 19 · b. ~1921 · Pennsylvania
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Sibling
Joseph Mclaughlin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mclaughlin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mclaughlin
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mclaughlin
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mclaughlin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Mclaughlin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mclaughlin
Sibling · 1940 · age 5
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-t0627-03491-00421)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cecelia Gillespie | 45 | Wife | — | Pennsylvania |
| 2 | Cecelia Anne Gillespie | 25 | Daughter | — | Pennsylvania |
| 3 | Omer Reemer | 34 | Head | Parts Clerk | Pennsylvania |
| 4 | Katherine Reemer | 33 | Wife | — | Pennsylvania |
| 5 | John Reemer | 4 | Son | — | Pennsylvania |
| 6 | Robert Reemer | 1 | Son | — | Pennsylvania |
| 7 | Emily S. Patrick | 73 | Head | — | Virginia |
| 8 | Howard M. Patrick | 47 | Son | Night Watchman | Pennsylvania |
| 9 | Emily V. Patrick | 44 | Daughter | Stenographer | Pennsylvania |
| 10 | Ruth W. Patrick | 41 | Daughter | Office Clerk | Pennsylvania |
| 11 | John W. Patrick | 37 | Son | Carpenter | Pennsylvania |
| 12 | Charles A. Christy | 35 | Head | Assistant Secretary | Pennsylvania |
| 13 | Mabel Christy | 35 | Wife | — | Pennsylvania |
| 14 | Donald Christy | 6 | Son | — | Pennsylvania |
| 15 | Thomas J. Fitzsimmons | 66 | Father-in-law | — | Connecticut |
| 16 | Elizabeth Fitzsimmons | 66 | Mother-in-law | — | Pennsylvania |
| 17 | John A. Seltzer | 67 | Head | Carpenter | Pennsylvania |
| 18 | Luther Seltzer | 38 | Son | Stillman | Pennsylvania |
| 19 | Marianne Seltzer | 27 | Daughter-in-law | — | Pennsylvania |
| 20 | James Seltzer | 6 | Grandson | — | Pennsylvania |
| 21 | Donald Seltzer | 2 | Grandson | — | Pennsylvania |
| 22 | Carl Seltzer | 39 | Head | Service Station Attendant | Pennsylvania |
| 23 | Marion Seltzer | 37 | Wife | — | Pennsylvania |
| 24 | Ethel M. Seltzer | 2 | Daughter | — | Pennsylvania |
| 25 | James C. Mclaughlin | 43 | Head | — | Pennsylvania |
| 26 | Marie A. Mclaughlin | 40 | Wife | — | Pennsylvania |
| 27 | James W. Mclaughlin THIS PERSON | 19 | Son | Laborer | Pennsylvania |
| 28 | Anita Mclaughlin | 17 | Daughter | — | Pennsylvania |
| 29 | Robert Mclaughlin | 14 | Son | — | Pennsylvania |
| 30 | John Mclaughlin | 12 | Son | — | Pennsylvania |
| 31 | Charles Mclaughlin | 5 | Son | — | Pennsylvania |
| 32 | Mary Mclaughlin | 3 | Daughter | — | Pennsylvania |
| 33 | Joseph Mclaughlin | 3 | Son | — | Pennsylvania |
| 34 | George Mclaughlin | 1 | Son | — | Pennsylvania |
| 35 | James Mclaughlin | 74 | Head | — | Northern Ireland |
| 36 | Margaret Mclaughlin | 72 | Wife | — | Northern Ireland |
| 37 | William H. Dougherty | 49 | Head | Machinist | Pennsylvania |
| 38 | Francis Dougherty | 19 | Son | — | New Jersey |
| 39 | Helen M. Dougherty | 40 | Sister | Stenographer | Pennsylvania |
| 40 | Gordon B. Anderson | 31 | Head | Electrician | Maryland |
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)