JL
John Larkin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Larkin across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1894), then head of a 11-person household.
Age 36
b. ~1894
Male
Son
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Larkin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Conductor |
| Industry | Street Cars |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Conductor |
| Township / Ward | Chicago |
| Est. Birth Year | ~1894 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jessie Larkin | Daughter | — | 28 | ~1902 |
| Kathleen Larkin | Daughter | — | 18 | ~1912 |
| Lillian Larkin | Daughter | — | 20 | ~1910 |
| Timothy Larkin | Head | — | 64 | ~1866 |
| Theodore Larkin | Son | — | 33 | ~1897 |
| Thomas Larkin | Son | — | 27 | ~1903 |
| John Larkin | Son | — | 36 | ~1894 |
| Bernard Larkin | Son | — | 30 | ~1900 |
| Thomas Larkin | Son | — | 25 | ~1905 |
| Edward Larkin | Son | — | 38 | ~1892 |
| Nellie Larkin | Spouse | — | 62 | ~1868 |
Census Appearances
1920
Cook, Illinois
Son, age 24
Cook, Illinois · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Plumber |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 36
Cook, Illinois · implied b. ~1894 — 11 household members
| Surname | Larkin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Conductor |
| Industry | Street Cars |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Larkin across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Larkin
Son · 1930 · age 36 · b. ~1894 · Illinois
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Sibling
Bernard Larkin
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Larkin
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Larkin
Sibling · 1930 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Larkin
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Larkin
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Larkin
Sibling · 1930 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Larkin
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Larkin
Sibling · 1930 · age 27
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel445:0204)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Costello | 61 | Head | — | Ireland Free State |
| 52 | Archibald D Taylor | 55 | Head | Laborer | Illinois |
| 53 | Flora M Taylor | 55 | Wife | — | Illinois |
| 54 | Flora E Taylor | 24 | Daughter | Stenographer | Illinois |
| 55 | Isabelle G Taylor | 22 | Daughter | Typist | Illinois |
| 56 | Ioris F Taylor | 20 | Daughter | Clerical | Illinois |
| 57 | Michael Corrigan | 39 | Head | Officer | Ireland Free State |
| 58 | Mary Corrigan | 32 | Wife | — | England |
| 59 | Michael Corrigan | 4 | Son | — | Illinois |
| 60 | John F Corrigan | 2 | Son | — | Illinois |
| 61 | Margaret L Corrigan | 0 | Daughter | — | Illinois |
| 62 | Patrick Mullarkey | 28 | Brother-in-law | Laborer | England |
| 63 | Glen A Roberts | 44 | Head | Sales Superintendent | Illinois |
| 64 | Sadie E Roberts | 44 | Wife | — | Nebraska |
| 65 | Virgil L Roberts | 23 | Son | Clerical | Illinois |
| 66 | Elin E Roberts | 22 | Daughter-in-law | — | Illinois |
| 67 | Jean M Roberts | 1 | Granddaughter | — | Illinois |
| 68 | Janet R Roberts | 0 | Granddaughter | — | Illinois |
| 69 | Martin Joyce | 58 | Head | Stationary Engineer | Ohio |
| 70 | Catherine Joyce | 53 | Wife | — | Wisconsin |
| 71 | William Joyce | 22 | Son | Chauffeur | Illinois |
| 72 | Martin J Joyce | 21 | Son | Lumber Seller | Illinois |
| 73 | Eleanor I Joyce | 24 | Daughter | Bookkeeper | Illinois |
| 74 | Mary E Joyce | 17 | Daughter | — | Illinois |
| 75 | Gilford Walter | 22 | Son-in-law | Collector | Illinois |
| 76 | Loretta Walter | 24 | Daughter | Clerical | Illinois |
| 77 | Edmund J Gorgen | 33 | Head | Clerical | Illinois |
| 78 | Catherine Gorgen | 32 | Wife | — | Illinois |
| 79 | Mary Gorgen | 9 | Daughter | — | Illinois |
| 80 | Josephine Gorgen | 8 | Son | — | Illinois |
| 81 | Andrew Gorgen | 6 | Son | — | Illinois |
| 82 | Kathleen Gorgen | 3 | Daughter | — | Illinois |
| 83 | Dennis Brady | 19 | Servant | Servant | Ireland Free State |
| 84 | John T Hondras | 43 | Head | Mechanic | Virginia |
| 85 | Catherine C Hondras | 40 | Wife | — | Ohio |
| 86 | Catherine V Hondras | 19 | Daughter | Stenographer | Ohio |
| 87 | Mildred B Hondras | 17 | Daughter | — | Ohio |
| 88 | Loretta G Hondras | 12 | Daughter | — | Ohio |
| 89 | Frank L Hondras | 3 | Son | — | Illinois |
| 90 | Timothy J Larkin | 64 | Head | Motorman | Ireland Free State |
| 91 | Nellie J Larkin | 62 | Wife | — | Ireland Free State |
| 92 | Edward Larkin | 38 | Son | Cook | Pennsylvania |
| 93 | John Larkin THIS PERSON | 36 | Son | Conductor | Illinois |
| 94 | Theodore J Larkin | 33 | Son | Salesman | Illinois |
| 95 | Bernard Larkin | 30 | Son | Salesman | Illinois |
| 96 | Jessie Larkin | 28 | Daughter | — | Illinois |
| 97 | Thomas Larkin | 27 | Son | Electrician | Illinois |
| 98 | Thomas Larkin | 25 | Son | Clerical | Illinois |
| 99 | Lillian Larkin | 20 | Daughter | Stenographer | Illinois |
| 100 | Kathleen Larkin | 18 | Daughter | Stenographer | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)