JL
James Larkin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this James Larkin across the 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1901), then head of a 9-person household.
Age 19
b. ~1901
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Larkin |
| Given Name | James J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1901 |
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 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Larkin | Head | — | 46 | ~1874 |
| Jack Larkin | Son | — | 3 | ~1917 |
| Stella Larkin | Spouse | — | 43 | ~1877 |
| Theo Larkin | Son | — | 16 | ~1904 |
| James Larkin | Son | — | 19 | ~1901 |
| Anna Larkin | Daughter | — | 6 | ~1914 |
| William Larkin | Daughter | — | 14 | ~1906 |
| Helen Larkin | Daughter | — | 11 | ~1909 |
| Madeline Larkin | Daughter | — | 20 | ~1900 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 9
Allegheny, Pennsylvania · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 19
Allegheny, Pennsylvania · implied b. ~1901 — 9 household members
| Surname | Larkin |
| Given Name | James J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Larkin across 2 US Census years (1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
James Larkin
Son · 1920 · age 19 · b. ~1901 · Pennsylvania
★ You are viewing this record
Sibling
Helen Larkin
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Larkin
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Larkin
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Larkin
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theo Larkin
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Larkin
Sibling · 1920 · age 3
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
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1519unit:0990)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Matthew Gorman | 60 | Head | — | Pennsylvania |
| 52 | Annie Gorman | 54 | Wife | — | Pennsylvania |
| 53 | Matthew Jr. Gorman | 24 | Son | Machinist | Pennsylvania |
| 54 | Raymond Gorman | 21 | Son | Laborer | Pennsylvania |
| 55 | Jerome Gorman | 18 | Daughter | Clerk | Pennsylvania |
| 56 | Frank Gorman | 11 | Son | — | Pennsylvania |
| 57 | Faye Gorman | 9 | Son | — | Pennsylvania |
| 58 | James Monahan | 60 | Head | Laborer | Ohio |
| 59 | Catherine Monahan | 54 | Wife | — | Ohio |
| 60 | Albert Monahan | 30 | Son | Clerk | Ohio |
| 61 | James W. Monahan | 28 | Son | Clerk | Kentucky |
| 62 | James J. Larkin | 46 | Head | Clerk | Pennsylvania |
| 63 | Stella Larkin | 43 | Wife | — | Ireland |
| 64 | Madeline Larkin | 20 | Daughter | Stenographer | Pennsylvania |
| 65 | James J. Jr. Larkin THIS PERSON | 19 | Son | Laborer | Pennsylvania |
| 66 | Theo R. Larkin | 16 | Son | Clerk | Pennsylvania |
| 67 | William M. Larkin | 14 | Daughter | — | Pennsylvania |
| 68 | Helen Larkin | 11 | Daughter | — | Pennsylvania |
| 69 | Anna Larkin | 6 | Daughter | — | Pennsylvania |
| 70 | Jack Larkin | 3 | Son | — | Pennsylvania |
| 71 | John Thomas | 62 | Head | Fireman | Pennsylvania |
| 72 | Catherine Thomas | 62 | Wife | — | Pennsylvania |
| 73 | Elizabeth Thomas | 27 | Daughter | Saleslady | Pennsylvania |
| 74 | Susan Thomas | 9 | Granddaughter | — | Pennsylvania |
| 75 | John G. Thomas | 16 | Son | — | Pennsylvania |
| 76 | Maude Thomas | 14 | Daughter | — | Pennsylvania |
| 77 | Maude Nelson | 38 | Sister-in-law | — | Pennsylvania |
| 78 | Edward Seigwarth | 56 | Head | Fireman | Pennsylvania |
| 79 | Catherine Seigwarth | 53 | Wife | — | Alabama |
| 80 | Edward Lenn | 38 | Head | High Policeman | West Virginia |
| 81 | Carrie Lenn | 36 | Wife | — | Pennsylvania |
| 82 | Edward Jr. Lenn | 10 | Son | — | Pennsylvania |
| 83 | Carrie Lenn | 8 | Daughter | — | Pennsylvania |
| 84 | Phillip Price | 68 | Head | Carpenter | South Wales |
| 85 | Mary J. Price | 58 | Wife | — | Pennsylvania |
| 86 | Elizabeth J. Price | 26 | Daughter | — | Pennsylvania |
| 87 | Thomas J. Price | 22 | Son | Salesman | Pennsylvania |
| 88 | Charles H. Streiff | 28 | Head | Produce | Pennsylvania |
| 89 | Juliet Streiff | 27 | Wife | — | Pennsylvania |
| 90 | Ralph C. Streiff | 9 | Son | — | Pennsylvania |
| 91 | Donald S. Streiff | 2 | Son | — | Pennsylvania |
| 92 | William Mccaffrey | 40 | Head | — | Michigan |
| 93 | Edmund Mihm | 30 | Head | Steward | Germany |
| 94 | Eva Mihm | 31 | Wife | — | Austria |
| 95 | Joseph Mihm | 7 | Son | — | Pennsylvania |
| 96 | Thelma Mihm | 3 | Daughter | — | Pennsylvania |
| 97 | Joseph King | 32 | Head | Clerk | Austria |
| 98 | Johanna King | 30 | Wife | — | Austria |
| 99 | Helen C. King | 2 | Daughter | — | Pennsylvania |
| 100 | Joseph G. King | 1 | Son | — | 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)