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James Mckenna — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this James Mckenna across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 9-person household.
Age 51
b. ~1889
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | McKenna |
| Given Name | James Q |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Linwood |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Insulator |
| Industry | Oil Works |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 1700 |
| Highest Grade | No 8 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Insulator |
| Township / Ward | Linwood |
| Est. Birth Year | ~1889 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Francis Mckenna | Son | — | 15 | ~1925 |
| Elizabeth Mckenna | Daughter | — | 9 | ~1931 |
| Robert Mckenna | Son | — | 17 | ~1923 |
| Margaret Mckenna | Daughter | — | 13 | ~1927 |
| James Mckenna | Head | — | 51 | ~1889 |
| John Mckenna | Son | — | 7 | ~1933 |
| Catherine Mckenna | Spouse | — | 43 | ~1897 |
| Roseanna Mckenna | Daughter | — | 18 | ~1922 |
| Kathaleen Mckenna | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Delaware, Pennsylvania
Head, age 39
Delaware, Pennsylvania · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKenna |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1915 |
| Age at First Marriage | 31 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Scotland |
| Occupation | Boiler helper |
| Industry | Oil Refinery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 22.00 |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Delaware-County, Pennsylvania
Head, age 51
Delaware-County, Pennsylvania · implied b. ~1889 — 9 household members
| Surname | McKenna |
| Given Name | James Q |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Linwood |
| Naturalization Status | Naturalized |
| Occupation | Insulator |
| Industry | Oil Works |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 1700 |
| Highest Grade | No 8 |
| 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 James Mckenna across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Mckenna
Head · 1940 · age 51 · b. ~1889 · 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 — 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-t0627-03493-00331)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edgar G Gabriel | 34 | Head | Stencilier | Penna |
| 42 | Lola Gabriel | 28 | Wife | — | Maryland |
| 43 | Jacob Q Simpson | 24 | Head | Clerk | Penna |
| 44 | Marion Simpson | 22 | Wife | — | Penna |
| 45 | George Thompson | 40 | Head | Tester | Maryland |
| 46 | Jean Thompson | 42 | Wife | Operator | Scotland |
| 47 | Alexander Thompson | 10 | Son | — | Penna |
| 48 | Harriett Thompson | 4 | Daughter | — | Penna |
| 49 | Martha Thomasina | 75 | Mother | — | Scotland |
| 50 | Alexander Macfadyen | 40 | Brother | Guard | Scotland |
| 51 | Samuel Q Fiumara | 23 | Head | Clerk | Penna |
| 52 | Gilda Fiumara | 18 | Wife | — | Penna |
| 53 | Myrtle Talley | 52 | Head | School Teacher | Delaware |
| 54 | Blanche T Marshall | 50 | Sister | — | Penna |
| 55 | Herman H Herman | 51 | Boarder | Clerk | Penna |
| 56 | Void Void | None | Void | Void | Void |
| 57 | Griffin Gillispie | 36 | Head | Valve Tender | Virginia |
| 58 | Constance Gillispie | 25 | Wife | — | Penna |
| 59 | Marcia Gillispie | 1 | Daughter | — | Penna |
| 60 | Agnes Cooney | 52 | Mother-in-law | — | England |
| 61 | James Q Mckenna THIS PERSON | 51 | Head | Insulator | Scotland |
| 62 | Catherine Mckenna | 43 | Wife | — | Penna |
| 63 | Roseanna Mckenna | 18 | Daughter | Waitress | Penna |
| 64 | Robert O Mckenna | 17 | Son | — | Penna |
| 65 | Francis P Mckenna | 15 | Son | — | Penna |
| 66 | Margaret Mckenna | 13 | Daughter | — | Penna |
| 67 | Elizabeth Mckenna | 9 | Daughter | — | Penna |
| 68 | John J Mckenna | 7 | Son | — | Penna |
| 69 | Kathaleen Mckenna | 5 | Daughter | — | Penna |
| 70 | Benjamin Baker | 39 | Head | Gauger | Penna |
| 71 | Alice Q Baker | 27 | Wife | — | Penna |
| 72 | Edith Baker | 15 | Daughter | — | Penna |
| 73 | Leonard Tilson | 9 | Stepson | — | Penna |
| 74 | Michael Ziemba | 18 | Bro-in-law | 3 | Phila |
| 75 | J. Roland Q Strouse | 31 | Head | Tester | Penna |
| 76 | Ruth Strouse | 24 | Wife | — | Missouri |
| 77 | Carl Fredrickson | 34 | Head | Fireman | Norway |
| 78 | Olga Fredrickson | 41 | Wife | — | Penna |
| 79 | Joseph Gleason | 15 | Stepson | — | Penna |
| 80 | Anna Q Meinzer | 63 | Head | — | Ireland |
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)