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William Larkin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clinton-County, Iowa
Our Model Tree links this William Larkin across the 1930 and 1940 US Censuses in Clinton-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clinton-County, Iowa |
| Surname | Larkin |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Clinton City |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | Bartender |
| Industry | Tavern |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 785 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Bartender |
| Township / Ward | Clinton City |
| Est. Birth Year | ~1917 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Larkin | Head | — | 55 | ~1885 |
| Paul Larkin | Son | — | 20 | ~1920 |
| William Larkin | Son | — | 23 | ~1917 |
| Joseph Larkin | Son | — | 30 | ~1910 |
| Catherine Larkin | Spouse | — | 59 | ~1881 |
| Madona Larkin | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Clinton, Iowa
Son, age 14
Clinton, Iowa · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larkin |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Clinton-County, Iowa
Son, age 23
Clinton-County, Iowa · implied b. ~1917 — 6 household members
| Surname | Larkin |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Clinton City |
| 1935 Residence (County) | Clinton |
| Occupation | Bartender |
| Industry | Tavern |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 785 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| 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 William Larkin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Larkin
Son · 1940 · age 23 · b. ~1917 · Iowa
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Sibling
Madona Larkin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Larkin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Larkin
Sibling · 1940 · age 30
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
1940 US Federal Census — Clinton-County, Iowa
Open full size
1940 US Federal Census — Clinton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01150-00698)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Goers | 41 | Head | Machinist Helper | Iowa |
| 2 | Amanda Goers | 41 | Wife | — | Iowa |
| 3 | Donald F Goers | 14 | Son | — | Iowa |
| 4 | Duane J Goers | 10 | Son | — | Iowa |
| 5 | Lizzie Sneckloth | 69 | Mother-in-law | — | Iowa |
| 6 | Charles H King | 59 | Head | — | Germany |
| 7 | Anna M King | 56 | Wife | — | Illinois |
| 8 | Herman H Meggers | 58 | Lodger | Foreman | Iowa |
| 9 | Jerry Halstenson | 48 | Head | — | Iowa |
| 10 | Laura M Halstenson | 44 | Wife | — | Iowa |
| 11 | Ernest V Lutz | 46 | Head | Clerk | Iowa |
| 12 | Gladys L Lutz | 42 | Wife | — | Iowa |
| 13 | Dorothy J Lutz | 12 | Daughter | — | Iowa |
| 14 | Donald W Lutz | 10 | Son | — | Iowa |
| 15 | Alva A Isenell | 52 | Head | Electrician | Iowa |
| 16 | William J Larkin | 55 | Head | — | Iowa |
| 17 | Catherine Larkin | 59 | Wife | — | Iowa |
| 18 | Joseph L Larkin | 30 | Son | Barber | Iowa |
| 19 | William E Larkin THIS PERSON | 23 | Son | Bartender | Illinois |
| 20 | Paul R Larkin | 20 | Son | Road & Drain Man | Iowa |
| 21 | Madona M Larkin | 16 | Daughter | Laborer | Iowa |
| 22 | Harvey Norton | 65 | Head | — | Ohio |
| 23 | Mary Norton | 64 | Wife | Carpenter | Iowa |
| 24 | Bertha Forbes | 57 | Head | — | Iowa |
| 25 | William Theesen | 42 | Lodger | Practical Nurse | Iowa |
| 26 | William H Davis | 24 | Lodger | Molder Helper | Iowa |
| 27 | Josephine Mathews | 47 | Head | Laborer | Iowa |
| 28 | Reuben Johnson | 54 | Lodger | Chef | Indiana |
| 29 | Sarah Johnson | 44 | Lodger | Finishing Sander | Illinois |
| 30 | Robert D Letch | 40 | Head | — | Missouri |
| 31 | Catherine M Letch | 44 | Wife | Manager | Illinois |
| 32 | John J Mccoy | 57 | Head | — | New York |
| 33 | Catherine Mccoy | 50 | Wife | — | Iowa |
| 34 | Clifford Mccoy | 30 | Lodger | — | Missouri |
| 35 | Michael J Bardis | 36 | Head | Engineer Dept | Iowa |
| 36 | Helen W Bardis | 30 | Wife | Teacher | Iowa |
| 37 | Jr Michael J Bardis | 3 | Son | — | Iowa |
| 38 | Arlo Buechner | 61 | Head | Secretary | Illinois |
| 39 | Anna S Grede | 51 | Head | — | Iowa |
| 40 | Margret C Grede | 26 | Daughter | Teacher | Iowa |
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)