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John Donahue — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Donahue across the 1910, 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Knitter |
| Industry | Hosiery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Knitter |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1899 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Donahue | Head | — | 41 | ~1899 |
| John Donahue | Son | — | 13 | ~1927 |
| Marie Donahue | Spouse | — | 37 | ~1903 |
Census Appearances
1910
Philadelphia, Pennsylvania
Other, age 12
Philadelphia, Pennsylvania · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Other, age 22
Philadelphia, Pennsylvania · implied b. ~1898 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Machinist |
| Industry | Ship Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Other, age 32
Philadelphia, Pennsylvania · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohue |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Head, age 41
Philadelphia-County, Pennsylvania · implied b. ~1899 — 3 household members
| Surname | Donahue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia City |
| 1935 Residence (County) | Philadelphia |
| Occupation | Knitter |
| Industry | Hosiery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | No 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 John Donahue across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Donahue
Head · 1940 · age 41 · b. ~1899 · 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-t0627-03720-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elizabeth Eichner | 55 | Wife | — | Pennsylvania |
| 42 | Mildred Fletcher | 26 | Daughter | Examiner | Pennsylvania |
| 43 | Elizabeth Mclackey | 50 | Head | Wrapper | Pennsylvania |
| 44 | Harold Mclackey | 23 | Son | Floor-Man | Pennsylvania |
| 45 | Raymond Mclackey | 25 | Son | Laborer | Pennsylvania |
| 46 | Alberta Mclackey | 21 | Daughter | — | Pennsylvania |
| 47 | Arline Mclackey | 2 | Grand-daughter | — | Pennsylvania |
| 48 | Joseph Stinson | 60 | Head | Fireman | Pennsylvania |
| 49 | Howard Stinson | 26 | Son | Operator | Pennsylvania |
| 50 | Frank Stinson | 14 | Son | Attendant | Pennsylvania |
| 51 | Francis Reilly | 41 | Head | Knitter | Pennsylvania |
| 52 | Joseph Marino | 27 | Head | Electric Welder | Pennsylvania |
| 53 | Lillian Marino | 25 | Wife | — | Pennsylvania |
| 54 | Jo-An Marino | 2 | Daughter | — | Pennsylvania |
| 55 | Guy Marino | 0 | Son | — | New Jersey |
| 56 | Jacob Smeltzer | 56 | Head | Leather Work | Pennsylvania |
| 57 | Julia Smeltzer | 56 | Wife | — | Pennsylvania |
| 58 | James Berry | 40 | Head | Shipping Clerk | Massachusetts |
| 59 | Elizabeth Berry | 38 | Wife | — | Pennsylvania |
| 60 | James T Berry | 19 | Son | Attendant | Pennsylvania |
| 61 | Elizabeth Berry | 16 | Daughter | — | Pennsylvania |
| 62 | John J Berry | 4 | Son | — | Pennsylvania |
| 63 | Max Knoll | 56 | Head | Brick Layer | Germany |
| 64 | Mita Knoll | 53 | Wife | Seamstress | Germany |
| 65 | Minnie Gutchman | 50 | Head | — | Pennsylvania |
| 66 | James Monnot | 41 | Lodger | Glass Cutter | Pennsylvania |
| 67 | Marion Monnot | 11 | Daughter | — | Pennsylvania |
| 68 | Winifred Monnot | 9 | Daughter | — | Pennsylvania |
| 69 | Janet Monnot | 7 | Daughter | — | Pennsylvania |
| 70 | Harry Schmid | 28 | Lodger | Printer | Pennsylvania |
| 71 | Edward Kilson | 61 | Lodger | Woodworker | Denmark |
| 72 | Owen Kelly | 44 | Head | Press Operator | Pennsylvania |
| 73 | Martha Kelly | 37 | Wife | Press Operator | Pennsylvania |
| 74 | Eugene Kelly | 8 | Son | — | Pennsylvania |
| 75 | Max Holtsmith | 64 | Head | Chef | Germany |
| 76 | Alice Holtsmith | 55 | Wife | — | Germany |
| 77 | Walter Holtsmith | 23 | Son | Helper | New York |
| 78 | John Donahue THIS PERSON | 41 | Head | Knitter | Pennsylvania |
| 79 | Marie Donahue | 37 | Wife | Waitress | Pennsylvania |
| 80 | John Donahue | 13 | Son | Clerical | 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)