JL
John Leahy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Washington, Oregon
Our Model Tree links this John Leahy across the 1900, 1910 and 1920 US Censuses in Washington, Oregon (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 8-person household.
Age 56
b. ~1864
Male
Head
Born: Oregon
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Washington, Oregon |
| Surname | Leahy |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Farmer |
| Township / Ward | Cedar Mills |
| Est. Birth Year | ~1864 |
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 |
|---|---|---|---|---|
| John Leahy | Head | — | 56 | ~1864 |
| Frank Leahy | Son | — | 19 | ~1901 |
| Alice Leahy | Daughter | — | 20 | ~1900 |
| Matt Leahy | Spouse | — | 47 | ~1873 |
| Marie Leahy | Daughter | — | 14 | ~1906 |
| John Leahy | Son | — | 22 | ~1898 |
| Lilly Leahy | Daughter | — | 11 | ~1909 |
| George Leahy | Son | — | 16 | ~1904 |
Census Appearances
1900
Washington, Oregon
Head, age 37
Washington, Oregon · implied b. ~1863 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leahy |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Oregon |
| Birth Month | May |
| Birth Year | 1863 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1910
Washington, Oregon
Head, age 47
Washington, Oregon · implied b. ~1863 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leahy |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | Ire.-English |
| Mother's Birthplace | Ire.-English |
| Occupation | Farmer |
| Industry | General farm |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1920
Washington, Oregon
Head, age 56
Washington, Oregon · implied b. ~1864 — 8 household members
| Surname | Leahy |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Leahy across 3 US Census years (1900, 1910 and 1920) in Washington, Oregon, using XGBoost record linkage.
Show:
This person
Anchor record
John Leahy
Head · 1920 · age 56 · b. ~1864 · Oregon
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Washington, Oregon
Open full size
1920 US Federal Census — Washington, Oregon
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1505unit:0717)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry Hanson | 31 | Head | Farmer | Oregon |
| 52 | Ida R Hanson | 23 | Wife | — | Oregon |
| 53 | Niels J Hanson | 1 | Son | — | Oregon |
| 54 | William Hanson | 70 | Head | Farmer | Scotland |
| 55 | Catherine M Hanson | 44 | Daughter | — | Oregon |
| 56 | Archie Mcleod | 57 | Hired man | Laborer | Canada |
| 57 | John Glatchman | 40 | Head | Farmer | Switzerland |
| 58 | Regina Glatchman | 32 | Wife | — | Oregon |
| 59 | Evelyn S Glatchman | 10 | Daughter | — | Oregon |
| 60 | Edward J Glatchman | 8 | Son | — | Oregon |
| 61 | Harold G Glatchman | 7 | Son | — | Oregon |
| 62 | Dorothy E Glatchman | 5 | Daughter | — | Oregon |
| 63 | Hazel J Glatchman | 3 | Daughter | — | Oregon |
| 64 | Francis J Steffen | 42 | Head | Helper | Washington |
| 65 | Mary A Steffen | 40 | Wife | — | New York |
| 66 | John D Romang | 37 | Head | Laborer | Switzerland |
| 67 | Clara G Romang | 21 | Wife | — | California |
| 68 | James L Romang | 6 | Son | — | California |
| 69 | Ernest S Romang | 5 | Son | — | Oregon |
| 70 | George Priem | 66 | Head | — | Wisconsin |
| 71 | Ernest Mathwich | 30 | Head | Farmer | Switzerland |
| 72 | Freda Mathwich | 23 | Wife | — | Germany |
| 73 | Amman Mathwich | 21 | Hired man | Laborer | Switzerland |
| 74 | Carl J Mathwich | 24 | Head | Laborer | Switzerland |
| 75 | Lydia Mathwich | 23 | Wife | — | Switzerland |
| 76 | Katherine G Mathwich | 0 | Daughter | — | Oregon |
| 77 | Charles Mathwich | 59 | Head | Laborer | Sweden |
| 78 | William E Malmlland | 31 | Head | Laborer | Missouri |
| 79 | Elsie V Malmlland | 24 | Wife | — | Missouri |
| 80 | Evalyn L Malmlland | 4 | Daughter | — | Missouri |
| 81 | Hugh Leahy | 54 | Head | Farmer | Oregon |
| 82 | John Leahy THIS PERSON | 56 | Head | Farmer | Oregon |
| 83 | Matt Leahy | 47 | Wife | — | California |
| 84 | John Leahy | 22 | Son | — | Oregon |
| 85 | Alice Leahy | 20 | Daughter | — | Oregon |
| 86 | Frank Leahy | 19 | Son | — | Oregon |
| 87 | George Leahy | 16 | Son | — | Oregon |
| 88 | Marie Leahy | 14 | Daughter | — | Oregon |
| 89 | Lilly Leahy | 11 | Daughter | — | Oregon |
| 90 | Joseph H Hattermann | 60 | Head | Laborer | Germany |
| 91 | Katherine Hattermann | 28 | Wife | Nurse | Oregon |
| 92 | Nelson H Hattermann | 20 | Son | Laborer | Oregon |
| 93 | Clara Hattermann | 15 | Daughter | — | Oregon |
| 94 | Isaac J Schmuckley | 50 | Head | Wood Dealer | England |
| 95 | Martha M Schmuckley | 40 | Wife | — | Oregon |
| 96 | Edith V Schmuckley | 5 | Daughter | — | Oregon |
| 97 | James Walters | 33 | Head | Farmer | Oregon |
| 98 | Francis B Walters | 36 | Wife | — | Oregon |
| 99 | Gertrude E Walters | 7 | Daughter | — | Oregon |
| 100 | Verna M Walters | 3 | Daughter | — | Oregon |
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)