JI
James Irwin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this James Irwin across the 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 4-person household.
Age 13
b. ~1927
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Irwin |
| Given Name | James G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Franklin Township |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Franklin Township |
| Est. Birth Year | ~1927 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Irwin | Son | — | 13 | ~1927 |
| Louise Irwin | Spouse | — | 42 | ~1898 |
| Lon Irwin | Head | — | 50 | ~1890 |
| Martha Irwin | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Franklin, Ohio
Son, age 3
Franklin, Ohio · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Irwin |
| Given Name | James T. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Son, age 13
Franklin-County, Ohio · implied b. ~1927 — 4 household members
| Surname | Irwin |
| Given Name | James G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Franklin Township |
| 1935 Residence (County) | Franklin |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Irwin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Irwin
Son · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Martha Irwin
Sibling · 1940 · age 14
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 — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03068-00849)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gladys Luckbens | 32 | Wife | — | Ohio |
| 2 | Lon C. Irwin | 50 | Head | Inspector | Kentucky |
| 3 | Louise C. Irwin | 42 | Wife | — | Pennsylvania |
| 4 | Martha Jane Irwin | 14 | Daughter | — | Ohio |
| 5 | James G. Irwin THIS PERSON | 13 | Son | — | Ohio |
| 6 | Frederick R. Perrani | 39 | Head | Machinist | Georgia |
| 7 | Mary Perrani | 38 | Wife | — | Ohio |
| 8 | Lee Perrani | 17 | Son | — | Ohio |
| 9 | Maxine Perrani | 14 | Daughter | — | Ohio |
| 10 | Earle Darling | 49 | Head | Hand Sander | Ohio |
| 11 | Pearle Darling | 50 | Wife | — | Ohio |
| 12 | Richard Darling | 25 | Son | Caretaker | Ohio |
| 13 | Donald Darling | 18 | Son | — | Ohio |
| 14 | Cyrus Powell | 61 | Head | Manager | Virginia |
| 15 | Ola B. Powell | 59 | Wife | — | Ohio |
| 16 | Helen Powell | 19 | Niece | — | Ohio |
| 17 | Charles R. Shover | 71 | Head | Farmer | Ohio |
| 18 | Sara M. Shover | 63 | Wife | — | Ohio |
| 19 | Clarence J. Snyder | 35 | Son-in-law | Brakeman | Indiana |
| 20 | K. Lucille Snyder | 31 | Daughter | Teacher | Ohio |
| 21 | Betty Lou Snyder | 5 | Granddaughter | — | Ohio |
| 22 | Paul Warren Snyder | 3 | Grandson | — | Ohio |
| 23 | Caroline Neuner | 71 | Head | — | Ohio |
| 24 | Elmer R. Jahn | 43 | Head | Route Foreman | Ohio |
| 25 | Elizabeth M. Jahn | 37 | Wife | — | Ohio |
| 26 | Beatrice O'Conner | 19 | Niece | — | Ohio |
| 27 | William R. Peak | 44 | Head | Office Clerk | Ohio |
| 28 | Clara Peak | 42 | Wife | Office Clerk | Ohio |
| 29 | George J. Zwilling | 49 | Head | Belt Maker | Ohio |
| 30 | Marie Zwilling | 45 | Wife | — | Ohio |
| 31 | Frederick Zwilling | 25 | Son | Bookkeeper | Ohio |
| 32 | Mary Zwilling | 9 | Daughter | — | Ohio |
| 33 | Thomas Holliday | 48 | Head | Foreman Maintenance | Ohio |
| 34 | Pearle Holliday | 47 | Wife | — | Ohio |
| 35 | Virginia Holliday | 26 | Daughter | Stenographer | Ohio |
| 36 | Roger Holliday | 19 | Son | — | Ohio |
| 37 | Lois Holliday | 14 | Daughter | — | Ohio |
| 38 | Christina Rost | 71 | Grandmother | — | Ohio |
| 39 | Wayne Dildine | 45 | Head | Tree Surgeon | Ohio |
| 40 | Ruth Dildine | 29 | Wife | Press Operator | Ohio |
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)