JP
James Phelps — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this James Phelps across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Phelps |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Dayton City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Herman Phelps | Head | — | 36 | ~1904 |
| James Phelps | Son | — | 13 | ~1927 |
| Nellie Phelps | Daughter | — | 14 | ~1926 |
| Pearl Phelps | Spouse | — | 35 | ~1905 |
| Herman Phelps | Son | — | 10 | ~1930 |
| Betty Phelps | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Montgomery, Ohio
Son, age 3
Montgomery, Ohio · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Phelps |
| Given Name | James S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Son, age 13
Montgomery-County, Ohio · implied b. ~1927 — 6 household members
| Surname | Phelps |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Highest Grade | No 5 |
| 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 Phelps across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Phelps
Son · 1940 · age 13 · b. ~1927 · Ohio
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Sibling
Herman Phelps
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Phelps
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Phelps
Sibling · 1940 · age 12
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03253-00543)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cora Foucht | 62 | Mother | — | Ohio |
| 2 | Donald Foucht | 17 | Brother | — | Ohio |
| 3 | Thomas Bousonvalas | 47 | Head | Confectionary | Greece |
| 4 | Marie J. Bousonvalas | 41 | Wife | — | Greece |
| 5 | William Bousonvalas | 12 | Son | — | Ohio |
| 6 | Martha Black | 55 | Head | — | Ireland |
| 7 | Hugh Black | 22 | Son | Butcher | Ohio |
| 8 | John Doherty | 50 | Brother | Printer | Ireland |
| 9 | Mary Doherty | 19 | Niece | Waitress | Ohio |
| 10 | Jack Doherty | 16 | Nephew | — | Ohio |
| 11 | Harold Doherty | 14 | Nephew | — | Ohio |
| 12 | Gene Doherty | 12 | Nephew | — | Ohio |
| 13 | Ellen Doherty | 83 | Mother | — | Ireland |
| 14 | Mary Doherty | 53 | Sister | — | Ireland |
| 15 | Herman Phelps | 36 | Head | Carpenter | Kentucky |
| 16 | Pearl Phelps | 35 | Wife | — | Kentucky |
| 17 | Nellie Phelps | 14 | Daughter | — | Kentucky |
| 18 | James Phelps THIS PERSON | 13 | Son | — | Ohio |
| 19 | Betty Jane Phelps | 12 | Daughter | — | Ohio |
| 20 | Herman Jr. Phelps | 10 | Son | — | Ohio |
| 21 | Frank S. Collins | 32 | Head | Mechanic | Ohio |
| 22 | Frank Well Collins | 6 | Son | Bill Poster | Ohio |
| 23 | William Davis | 70 | Head | Bill Poster | Ohio |
| 24 | Marie Davis | 49 | Wife | — | Ohio |
| 25 | Elizabeth Davis | 14 | Daughter | — | Ohio |
| 26 | Mary Ann Davis | 13 | Daughter | — | Ohio |
| 27 | Glenn Davis | 15 | Son | — | Ohio |
| 28 | Arnold Blaker | 29 | Son-in-law | Inspector | W. Virginia |
| 29 | Evelyn Blaker | 20 | Daughter | — | Ohio |
| 30 | Warren Salrin | 60 | Boarder | — | Ohio |
| 31 | Harry Roberts | 31 | Head | Shipping Clerk | W. Virginia |
| 32 | Mae Roberts | 29 | Wife | — | W. Virginia |
| 33 | Morris Roberts | 9 | Son | — | Ohio |
| 34 | Ronald Roberts | 7 | Son | — | Ohio |
| 35 | Homer Mckellar | 34 | Head | Truck Driver | Mississippi |
| 36 | Pearl Mckellar | 32 | Wife | — | Illinois |
| 37 | Kathryn Mckellar | 13 | Daughter | — | Illinois |
| 38 | Eugene Mckellar | 12 | Son | — | Illinois |
| 39 | Edward Mckellar | 11 | Son | — | Ohio |
| 40 | Homer Jr. Mckellar | 9 | Son | — | 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)