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James Maxwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lincoln-County, Oklahoma
Our Model Tree links this James Maxwell across the 1930 and 1940 US Censuses in Lincoln-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lincoln-County, Oklahoma |
| Surname | Maxwell |
| Given Name | James C. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (County) | Lincoln |
| Additional Details | |
| Highest Grade | No 3 |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Iowa Township |
| Est. Birth Year | ~1925 |
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 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Maxwell | Son | — | 15 | ~1925 |
| Lena Maxwell | Daughter | — | 8 | ~1932 |
| Mary Maxwell | Spouse | — | 38 | ~1902 |
| Opal Maxwell | Daughter | — | 6 | ~1934 |
| Charley Maxwell | Son | — | 11 | ~1929 |
| Alice Maxwell | Daughter | — | 3 | ~1937 |
| John Maxwell | Son | — | 1 | ~1939 |
| Mildred Maxwell | Daughter | — | 17 | ~1923 |
| Sarah Maxwell | Daughter | — | 4 | ~1936 |
| James Maxwell | Head | — | 65 | ~1875 |
Census Appearances
1930
Lincoln, Oklahoma
Son, age 5
Lincoln, Oklahoma · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| Given Name | James C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Arkansas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Lincoln-County, Oklahoma
Son, age 15
Lincoln-County, Oklahoma · implied b. ~1925 — 10 household members
| Surname | Maxwell |
| Given Name | James C. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (County) | Lincoln |
| Highest Grade | No 3 |
| 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 Maxwell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Maxwell
Son · 1940 · age 15 · b. ~1925 · Oklahoma
★ You are viewing this record
Sibling
Sarah Maxwell
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Maxwell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Maxwell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charley Maxwell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Maxwell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Opal Maxwell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Maxwell
Sibling · 1940 · age 3
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 — Lincoln-County, Oklahoma
Open full size
1940 US Federal Census — Lincoln-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03306-00219)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kelvin E. King | 6 | son | — | Oklahoma |
| 42 | Myrtle King | 3 | daughter | — | Oklahoma |
| 43 | William E. King | 1 | son | — | Oklahoma |
| 44 | Mable E. Vick | 30 | Lodger | Teacher | Oklahoma |
| 45 | Marion White | 52 | Head | Farmer | Texas |
| 46 | Stella O. White | 45 | wife | — | Oklahoma |
| 47 | Rosia A. White | 15 | daughter | — | Oklahoma |
| 48 | Mable White | 14 | daughter | — | Oklahoma |
| 49 | Johnie White | 12 | son | — | Oklahoma |
| 50 | Hasla White | 10 | daughter | — | Oklahoma |
| 51 | Hanna White | 6 | daughter | — | Oklahoma |
| 52 | Nettie O. Davis | 49 | Head | — | Kansas |
| 53 | Lester Davis | 21 | son | Laborer | Oklahoma |
| 54 | Corene Davis | 19 | daughter | — | Oklahoma |
| 55 | Wendell Davis | 14 | son | — | Oklahoma |
| 56 | Sidney Aldrich | 50 | Lodger | — | Kansas |
| 57 | Fletcher Johnson | 26 | Head | Farmer | Texas |
| 58 | James M. Maxwell | 65 | Head | Farmer | Tennessee |
| 59 | Mary A. Maxwell | 38 | wife | — | Arkansas |
| 60 | Mildred E. Maxwell | 17 | daughter | — | Oklahoma |
| 61 | James C. Maxwell THIS PERSON | 15 | son | — | Oklahoma |
| 62 | Charley J. Maxwell | 11 | son | — | Oklahoma |
| 63 | Lena Maxwell | 8 | daughter | — | Oklahoma |
| 64 | Opal Maxwell | 6 | daughter | — | Oklahoma |
| 65 | Sarah A. Maxwell | 4 | daughter | — | Oklahoma |
| 66 | Alice M. Maxwell | 3 | daughter | — | Oklahoma |
| 67 | John H. Maxwell | 1 | son | — | Oklahoma |
| 68 | Albert R. Davis | 37 | Head | Farmer | Oklahoma |
| 69 | William F. Barnett | 73 | Head | Farmer | Mississippi |
| 70 | Lucy M. Barnett | 65 | wife | — | Kentucky |
| 71 | Charles L. Lewis | 12 | Lodger | — | Oklahoma |
| 72 | Henry H. Hagar | 49 | Head | Farmer | Arkansas |
| 73 | Ethel E. Hagar | 18 | daughter | — | Arkansas |
| 74 | Syme P. Smith | 53 | Head | Farmer | Texas |
| 75 | Mandie M. Smith | 45 | wife | — | Missouri |
| 76 | Floyd S. Smith | 22 | son | Laborer | Oklahoma |
| 77 | Ruby M. Smith | 19 | daughter | — | Oklahoma |
| 78 | Ada G. Smith | 17 | daughter | — | Oklahoma |
| 79 | Lois S. Smith | 15 | daughter | — | Oklahoma |
| 80 | Charles H. Fisher | 41 | Head | Farmer | Oklahoma |
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)