JC
James Caldwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Creek-County, Oklahoma
Our Model Tree links this James Caldwell across the 1930 and 1940 US Censuses in Creek-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Creek-County, Oklahoma |
| Surname | Caldwell |
| Given Name | James Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Sapulpa city |
| 1935 Residence (County) | Creek |
| Additional Details | |
| Highest Grade | G 4 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Sapulpa City |
| Est. Birth Year | ~1928 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Paula Caldwell | Daughter | — | 1 | ~1939 |
| Shirley Caldwell | Daughter | — | 5 | ~1935 |
| Betty Caldwell | Daughter | — | 15 | ~1925 |
| Leslie Caldwell | Head | — | 35 | ~1905 |
| James Caldwell | Son | — | 12 | ~1928 |
| Norman Caldwell | Son | — | 8 | ~1932 |
| Nannie Caldwell | Son | — | 3 | ~1937 |
| Charles Caldwell | Son | — | 10 | ~1930 |
| Constance Caldwell | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Creek, Oklahoma
Son, age 2
Creek, Oklahoma · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | James Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Illinois |
| Can Read/Write | No |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Creek-County, Oklahoma
Son, age 12
Creek-County, Oklahoma · implied b. ~1928 — 9 household members
| Surname | Caldwell |
| Given Name | James Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Sapulpa city |
| 1935 Residence (County) | Creek |
| Highest Grade | G 4 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Caldwell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Caldwell
Son · 1940 · age 12 · b. ~1928 · Oklahoma
★ You are viewing this record
Sibling
Betty Caldwell
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paula Caldwell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Caldwell
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Caldwell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nannie Caldwell
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Caldwell
Sibling · 1940 · age 10
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 — Creek-County, Oklahoma
Open full size
1940 US Federal Census — Creek-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03289-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leslie Caldwell | 35 | Head | Operator | Oklahoma |
| 2 | Constance Caldwell | 32 | Wife | — | Illinois |
| 3 | Betty Francis Caldwell | 15 | Daughter | — | Oklahoma |
| 4 | James Howard Caldwell THIS PERSON | 12 | Son | — | Oklahoma |
| 5 | Charles Dale Caldwell | 10 | Son | — | Oklahoma |
| 6 | Norman Leroy Caldwell | 8 | Son | — | Oklahoma |
| 7 | Shirley Ann Caldwell | 5 | Daughter | — | Oklahoma |
| 8 | Nannie Allen Caldwell | 3 | Son | — | Oklahoma |
| 9 | Paula Hill Caldwell | 1 | Daughter | — | Oklahoma |
| 10 | De Los Webster | 28 | Head | Owner | Wisconsin |
| 11 | Lorraine S. Webster | 19 | Wife | — | Oklahoma |
| 12 | Phyllis Ann Webster | 2 | Daughter | — | Oklahoma |
| 13 | Arthur A. Lapper | 63 | Head | Barber | Michigan |
| 14 | Jesse Mack Lapper | 56 | Wife | — | Missouri |
| 15 | Earl W. Lapper | 34 | Son | Barber | Missouri |
| 16 | Hazel Eldridge | 38 | Head | Chauffer | Oklahoma |
| 17 | Maude Eldridge | 33 | Wife | Operator | Oklahoma |
| 18 | Harold Young | 23 | Head | Machine | Oklahoma |
| 19 | Blanche Young | 21 | Wife | — | Oklahoma |
| 20 | Jackie Young | 3 | Son | — | Oklahoma |
| 21 | Walter Hurt | 48 | Head | Fireman | Tennessee |
| 22 | Pinkie Hurt | 41 | Wife | — | Texas |
| 23 | Walter Hurt | 21 | Son | — | Texas |
| 24 | Ida Eldridge | 60 | Head | Steel Worker | Texas |
| 25 | D. S. Workman | 55 | Head | Passenger Eng | Missouri |
| 26 | Emma Workman | 48 | Wife | — | Kansas |
| 27 | Nellie Byrd Workman | 18 | Daughter | — | Oklahoma |
| 28 | Dale Ray Workman | 16 | Son | — | Oklahoma |
| 29 | Claude Deason | 25 | Head | Baker | Oklahoma |
| 30 | Inez Deason | 22 | Wife | — | Oklahoma |
| 31 | G. A. Kincannon | 64 | Head | — | Missouri |
| 32 | Maggie Kincannon | 70 | Wife | — | Missouri |
| 33 | Loranzie Zumalt | 50 | Son in law | Owner | Missouri |
| 34 | Mabel Zumalt | 32 | Wife | Co-Owner | Missouri |
| 35 | Glen Logan Zumalt | 3 | Grandson | — | Oklahoma |
| 36 | D. N. Bowen | 48 | Head | Tank Man | Arkansas |
| 37 | Emma Bowen | 39 | Wife | — | Kentucky |
| 38 | Johnnie Bowen | 21 | Son | Heater | Arkansas |
| 39 | Kindred James | 23 | Head | Machinist | Texas |
| 40 | Iruley James | 19 | Wife | — | Arkansas |
Related Census Records
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)