JD
John Donohue — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Donohue across the 1900, 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1845), then head of a 8-person household.
Age 75
b. ~1845
Male
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | Donohue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1869 |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1845 |
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 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Donohue | Daughter | — | 43 | ~1877 |
| Florence Donohue | Other | — | 12 | ~1908 |
| Vladimir Ptacek | Other | — | 43 | ~1877 |
| Katherine Donohue | Daughter | — | 34 | ~1886 |
| John Donohue | Head | — | 75 | ~1845 |
| Theresa Donohue | Daughter | — | 24 | ~1896 |
| James Donohue | Other | — | 10 | ~1910 |
| Joseph Donohue | Other | — | 16 | ~1904 |
Census Appearances
1900
Philadelphia, Pennsylvania
Head, age 55
Philadelphia, Pennsylvania · implied b. ~1845 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1845 |
| Year of Immigration | 1871 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Hullman (Polish) |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Philadelphia, Pennsylvania
Head, age 64
Philadelphia, Pennsylvania · implied b. ~1846 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donohue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 49 |
| Year of Immigration | 1864 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Janitor |
| Industry | Private house |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Philadelphia, Pennsylvania
Head, age 75
Philadelphia, Pennsylvania · implied b. ~1845 — 8 household members
| Surname | Donohue |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1869 |
| Birthplace (normalized) | ireland |
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 Donohue across 3 US Census years (1900, 1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Donohue
Head · 1920 · age 75 · b. ~1845 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1627unit:0383)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Margaret E Johnson | 23 | Daughter | Clerk | Pennsylvania |
| 52 | Florence E Johnson | 16 | Daughter | — | Pennsylvania |
| 53 | Margaret E Broomall | 16 | Niece | — | Pennsylvania |
| 54 | Harry S Valentine | 60 | Head | Tool Maker | Delaware |
| 55 | Sadie Valentine | 51 | Wife | — | Delaware |
| 56 | K Pauline Valentine | 21 | Daughter | Packer | Pennsylvania |
| 57 | George W Simmons | 30 | Son in law | Iron Worker | Pennsylvania |
| 58 | Alma E Simmons | 28 | Daughter | — | Delaware |
| 59 | Florence V Simmons | 1 | Granddaughter | — | Pennsylvania |
| 60 | Joseph J Johnston | 38 | Head | Pipe Fitter | Pennsylvania |
| 61 | Mary Johnston | 36 | Wife | — | Florida |
| 62 | Margaret Susan Brander | 74 | Boarder | — | Maine |
| 63 | James J Mcfadden | 14 | Adopted | — | Pennsylvania |
| 64 | Florence Cadwallader | 44 | Head | Nurse | Pennsylvania |
| 65 | Edwin Deal | 38 | Brother | Operator | Pennsylvania |
| 66 | Walter Munson | 32 | Head | Locksmith | Pennsylvania |
| 67 | Alice D Munson | 27 | Wife | — | Pennsylvania |
| 68 | Alice M Munson | 1 | Daughter | — | Pennsylvania |
| 69 | John Donohue THIS PERSON | 75 | Head | Laborer | Ireland |
| 70 | Mary Donohue | 43 | Daughter | Seamstress | Pennsylvania |
| 71 | Katherine H Donohue | 34 | Daughter | Clerk | Pennsylvania |
| 72 | Theresa H Donohue | 24 | Daughter | Clerk | Pennsylvania |
| 73 | Joseph J Donohue | 16 | Grandson | — | Pennsylvania |
| 74 | Florence M Donohue | 12 | Granddaughter | — | Pennsylvania |
| 75 | James J Donohue | 10 | Grandson | — | Pennsylvania |
| 76 | Vladimir Ptacek | 43 | Lodger | Watchman | Moravia |
| 77 | William Mckee | 80 | Head | — | Ireland |
| 78 | Margaret Mckee | 53 | Daughter | — | Ireland |
| 79 | George A Brown | 40 | Son in law | Machinist | New York |
| 80 | Elizabeth Brown | 43 | Daughter | — | Pennsylvania |
| 81 | Margaret E Brown | 9 | Granddaughter | — | Pennsylvania |
| 82 | Joseph J Elephant | 55 | Head | Conductor | Delaware |
| 83 | Rebecca Elephant | 54 | Wife | — | Maryland |
| 84 | Ada M Elephant | 20 | Daughter | Helper | Pennsylvania |
| 85 | Joseph J Jr Elephant | 17 | Son | Clerk | Pennsylvania |
| 86 | Edward J Amish | 35 | Head | Contractor | Pennsylvania |
| 87 | Olive Amish | 36 | Wife | — | Pennsylvania |
| 88 | Earl H Pinkerton | 23 | Boarder | Carpenter | Pennsylvania |
| 89 | David Riley | 70 | Head | Messenger | New York |
| 90 | Mary E Riley | 47 | Daughter | — | Pennsylvania |
| 91 | John C Riley | 45 | Son | Clerk | Pennsylvania |
| 92 | John Mckeown | 59 | Head | Laborer | Ireland |
| 93 | Anna Mckeown | 57 | Wife | — | Ireland |
| 94 | John C Mckeown | 35 | Son | Dispatcher | Pennsylvania |
| 95 | James J Mckeown | 33 | Son | Telegrapher | Pennsylvania |
| 96 | Anna M Mckeown | 25 | Daughter | — | Pennsylvania |
| 97 | John D Starr | 30 | Head | Yard Master | Pennsylvania |
| 98 | Anna M Starr | 28 | Wife | — | Pennsylvania |
| 99 | Anna M Starr | 7 | Daughter | — | Pennsylvania |
| 100 | Margaret Starr | 1 | Daughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)