JC
James Cowan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pawnee, Oklahoma
Our Model Tree links this James Cowan across the 1930 and 1940 US Censuses in Pawnee, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 10-person household.
Age 4
b. ~1926
Male
Son
Born: Oklahoma
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pawnee, Oklahoma |
| Surname | Cowan |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Oklahoma |
| Additional Details | |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Cimarron Twp |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Fred Cowan | Son | — | ~1930 | |
| Armia Cowan | Daughter | — | 12 | ~1918 |
| James Cowan | Son | — | 4 | ~1926 |
| John Cowan | Son | — | 2 | ~1928 |
| Elsie Cowan | Daughter | — | 12 | ~1918 |
| Grover Cowan | Son | — | 9 | ~1921 |
| Jessie Cowan | Daughter | — | 7 | ~1923 |
| Arnold Cowan | Son | — | 11 | ~1919 |
| James Cowan | Head | — | 42 | ~1888 |
| Mildred Cowan | Other | — | 34 | ~1896 |
Census Appearances
1930
Pawnee, Oklahoma
Son, age 4
Pawnee, Oklahoma · implied b. ~1926 — 10 household members
| Surname | Cowan |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Pawnee-County, Oklahoma
Son, age 14
Pawnee-County, Oklahoma · implied b. ~1926 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowen |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Tulsa |
| 1935 Residence (County) | Tulsa |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Cowan
Son · 1930 · age 4 · b. ~1926 · Oklahoma
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Sibling
Fred Cowan
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grover Cowan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arnold Cowan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cowan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Cowan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Armia Cowan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Cowan
Sibling · 1930 · age 7
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 — Pawnee, Oklahoma
Open full size
1930 US Federal Census — Pawnee, Oklahoma
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1924unit:0264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James F. Cowan | 42 | Head | Farmer | Mississippi |
| 2 | Mildred B. Cowan | 34 | Wife-H | — | Arkansas |
| 3 | Elsie M. Cowan | 12 | Daughter | — | Oklahoma |
| 4 | Armia Cowan | 12 | Daughter | — | Oklahoma |
| 5 | Arnold Cowan | 11 | Son | — | Oklahoma |
| 6 | Grover F. Cowan | 9 | Son | — | Oklahoma |
| 7 | Jessie E. Cowan | 7 | Daughter | — | Oklahoma |
| 8 | James Jr. Cowan THIS PERSON | 4 | Son | — | Oklahoma |
| 9 | John R. Cowan | 2 | Son | — | Oklahoma |
| 10 | Fred R. Cowan | 0 | Son | — | Oklahoma |
| 11 | James R. Groves | 33 | Head | Farm Laborer | Oklahoma |
| 12 | Stella E. Groves | 30 | Wife-H | — | Missouri |
| 13 | Carl R. Groves | 4 | Son | — | Oklahoma |
| 14 | Clyde D. Shaffner | 24 | Head | Farmer | Oklahoma |
| 15 | Velma G. Shaffner | 18 | Wife-H | — | Oklahoma |
| 16 | Bettie J. Shaffner | 2 | Daughter | — | Oklahoma |
| 17 | Alvin W. Shaffner | 27 | Brother | Truck Driver | Oklahoma |
| 18 | Harry Shaffner | 12 | Brother | — | Iowa |
| 19 | Edward Garrison | 46 | Head | Farmer | Iowa |
| 20 | Alice C. Garrison | 42 | Wife-H | — | Missouri |
| 21 | Calvin E. Garrison | 10 | Son | — | Oklahoma |
| 22 | Annie M. Garrison | 71 | Mother | — | Iowa |
| 23 | Rex Long | 41 | Head | Farmer | Oklahoma |
| 24 | Sarah Long | 33 | Wife-H | — | Oklahoma |
| 25 | Norah Long | 15 | Daughter | — | Oklahoma |
| 26 | Jessie L. Long | 12 | Son | — | Oklahoma |
| 27 | Stanley L. Long | 10 | Son | — | Oklahoma |
| 28 | Roy Long | 8 | Son | — | Oklahoma |
| 29 | Pauline Long | 2 | Daughter | — | Oklahoma |
| 30 | Boyd Long | 17 | Son | Farm Laborer | Oklahoma |
| 31 | Ira E. Shaffner | 38 | Head | Dairy Farmer | Kansas |
| 32 | Hazel E. Shaffner | 31 | Wife-H | — | Kansas |
| 33 | Onalie L. Shaffner | 14 | Daughter | — | Oklahoma |
| 34 | Leon S. Shaffner | 12 | Son | — | Oklahoma |
| 35 | Enola M. Shaffner | 11 | Daughter | — | Oklahoma |
| 36 | Irene S. Shaffner | 9 | Daughter | — | Oklahoma |
| 37 | Ray S. Shaffner | 7 | Son | — | Oklahoma |
| 38 | Ruby L. Shaffner | 2 | Daughter | — | Oklahoma |
| 39 | James Sisco | 20 | Hired hand | Farm Laborer | Oklahoma |
| 40 | William R. James | 32 | Head | Farmer | Oklahoma |
| 41 | Eula B. James | 18 | Wife-H | None | Arkansas |
| 42 | Jerry M. Cunningham | 27 | Head | Farmer | Oklahoma |
| 43 | Cornie C. Cunningham | 51 | Mother-H | None | West Virginia |
| 44 | John J. Cunningham | 23 | Brother | Farm Laborer | Oklahoma |
| 45 | Irene Cunningham | 20 | Sister | None | Oklahoma |
| 46 | Florrie L. Cunningham | 18 | Sister | None | Oklahoma |
| 47 | Shelby L. Cunningham | 16 | Brother | None | Missouri |
| 48 | Virginia E. Cunningham | 12 | Sister | None | Oklahoma |
| 49 | Cammie E. Cunningham | 9 | Sister | None | Colorado |
| 50 | John A. Worrell | 75 | Grandpa | — | Virginia |
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)