JC
James Crawford — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, Illinois
Our Model Tree links this James Crawford across the 1920, 1930 and 1940 US Censuses in Mercer-County, Illinois (XGBoost, ~Confirmed), with identified parents Earl & Earl — first a son (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Illinois |
| Surname | Crawford |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Aledo |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | salesman |
| Industry | electrical equipment |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 351 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Aledo |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Mary Crawford | Daughter | — | 19 | ~1921 |
| Earl Crawford | Head | — | 56 | ~1884 |
| Joan Mclee | Other | — | 6 | ~1934 |
| Jeanine Mclee | Other | — | 5 | ~1935 |
| Jack Mclee | Other | — | 8 | ~1932 |
| Gerald Mclee | Other | — | 7 | ~1933 |
| James Crawford | Son | — | 22 | ~1918 |
| Earl Crawford | Son | — | 15 | ~1925 |
| Elizabeth Crawford | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Mercer, Illinois
Son, age 2
Mercer, Illinois · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | James G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mercer, Illinois
Son, age 12
Mercer, Illinois · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mercer-County, Illinois
Son, age 22
Mercer-County, Illinois · implied b. ~1918 — 9 household members
| Surname | Crawford |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Aledo |
| 1935 Residence (County) | Mercer |
| Occupation | salesman |
| Industry | electrical equipment |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 351 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Crawford (~0.92 confidence) and father Earl Crawford (~0.92 confidence) and mother Elizabeth Crawford (~0.92 confidence) and mother Elizabeth Crawford (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Crawford
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Earl Crawford
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Crawford
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Crawford
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Crawford
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Earl Crawford
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Crawford
Sibling · 1940 · age 19
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 — Mercer-County, Illinois
Open full size
1940 US Federal Census — Mercer-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00858-00232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George R. Olin | 56 | Head | Porter | Illinois |
| 42 | Edward Olin | 50 | brother | Helper | Illinois |
| 43 | J. Gilbert Foote | 66 | Head | Operator | Illinois |
| 44 | Louisa R. Foote | 66 | wife | — | Illinois |
| 45 | Betty Palmer | 16 | granddaughter | — | Illinois |
| 46 | Harry Whitman | 46 | Head | Operator | Iowa |
| 47 | Elizabeth R. Whitman | 46 | wife | — | Iowa |
| 48 | Leroy Whitman | 18 | son | — | Iowa |
| 49 | Earl Crawford | 56 | Head | Truck Driver | Illinois |
| 50 | Elizabeth R. Crawford | 45 | wife | — | Iowa |
| 51 | James Crawford THIS PERSON | 22 | son | Salesman | Illinois |
| 52 | Mary Crawford | 19 | daughter | House-Work | Illinois |
| 53 | Earl Jr. Crawford | 15 | son | — | Illinois |
| 54 | Jack Mclee | 8 | grandson | — | Illinois |
| 55 | Gerald Mclee | 7 | grandson | — | Illinois |
| 56 | Joan Mclee | 6 | granddaughter | — | Illinois |
| 57 | Jeanine Mclee | 5 | granddaughter | — | Illinois |
| 58 | Wayne Howlett | 33 | Head | Line Man | Illinois |
| 59 | Elva R. Howlett | 24 | wife | — | Illinois |
| 60 | Donald Howlett | 5 | son | — | Illinois |
| 61 | Everett Redlinger | 31 | Head | Wire-Chief | Iowa |
| 62 | Dorothy R. Redlinger | 25 | wife | — | Iowa |
| 63 | David Miller | 37 | Head | Salesman | Iowa |
| 64 | Vada R. Miller | 35 | wife | — | Illinois |
| 65 | Robert Miller | 16 | son | — | Iowa |
| 66 | Ronald Miller | 14 | son | — | Illinois |
| 67 | Donna Miller | 10 | daughter | — | Illinois |
| 68 | Eugene Miller | 8 | son | — | Illinois |
| 69 | Hugh Treloar | 23 | Head | Salesman | Iowa |
| 70 | Mary R. Treloar | 19 | wife | — | Illinois |
| 71 | Inel Treloar | 0 | daughter | — | Illinois |
| 72 | Carl Stoner | 55 | Head | Janitor | Illinois |
| 73 | Alice R. Stoner | 55 | wife | — | Illinois |
| 74 | Bessie R. Bargar | 49 | Head | — | Illinois |
| 75 | Maynard Bargar | 25 | son | Laborer | Iowa |
| 76 | Leland Bargar | 22 | son | Operator | Nebraska |
| 77 | Gilbert Bargar | 15 | son | — | Nebraska |
| 78 | Daniel Engle | 52 | Head | — | Iowa |
| 79 | Mary R. Engle | 50 | wife | — | Iowa |
| 80 | Francis Engle | 23 | son | Laborer | Iowa |
Pedigree Summary
James + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)