JL
John Lindsay — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this John Lindsay across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Ann — first a son (b.~1909), then head of a 2-person household.
Age 31
b. ~1909
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Lindsay |
| Given Name | John D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | Shipping Clerk |
| Industry | Wholesale Grocery Co |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1496 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Shipping Clerk |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1909 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ann Lindsay | Head | — | 67 | ~1873 |
| John Lindsay | Son | — | 31 | ~1909 |
Census Appearances
1920
Sangamon, Illinois
Son, age 11
Sangamon, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsay |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Son, age 21
Sangamon, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsay |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Occupation | Salesman |
| Industry | Supply House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Son, age 31
Sangamon-County, Illinois · implied b. ~1909 — 2 household members
| Surname | Lindsay |
| Given Name | John D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Occupation | Shipping Clerk |
| Industry | Wholesale Grocery Co |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1496 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 John Lindsay across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Lindsay (~0.92 confidence) and mother Ann Lindsay (~0.92 confidence) and mother Bessie Lindsay (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lindsay
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Ann Lindsay
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Bessie Lindsay
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lindsay
Son · 1940 · age 31 · b. ~1909 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00884-00300)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | F. Alice Carnahan | 27 | Wife | Supervisor | Illinois |
| 42 | Maurice Hesser | 46 | Head | Blacksmith | Illinois |
| 43 | Viola Hesser | 44 | Wife | — | Illinois |
| 44 | John E Hesser | 22 | Son | Cleaner | Illinois |
| 45 | Betty E Hesser | 19 | Daughter | Clerk | Illinois |
| 46 | Shirley M Hesser | 17 | Daughter | — | Illinois |
| 47 | Donald J Hesser | 14 | Son | — | Illinois |
| 48 | Gilbert E Purvines | 71 | Head | — | Illinois |
| 49 | Lella Purvines | 38 | Wife | — | Illinois |
| 50 | James F Mehan | 52 | Head | Assistant Superintendent | Illinois |
| 51 | Helen V Mehan | 48 | Wife | — | Illinois |
| 52 | James R Mehan | 14 | Son | — | Illinois |
| 53 | Mary J Mehan | 6 | Daughter | — | Illinois |
| 54 | Ann Mrs. Lindsay | 67 | Head | — | England |
| 55 | John D Lindsay THIS PERSON | 31 | Son | Shipping Clerk | Illinois |
| 56 | Hugh A Monahan | 51 | Head | Superintendent | Illinois |
| 57 | Hattie M Monahan | 49 | Wife | — | Illinois |
| 58 | Margaret R Monahan | 27 | Daughter | Stenographer | Illinois |
| 59 | Dorothy M Monahan | 21 | Daughter | Typist | Illinois |
| 60 | Geraldine F Monahan | 18 | Daughter | Stenographer | Illinois |
| 61 | Leo V Monahan | 24 | Son | Mail Clerk | Illinois |
| 62 | Zelda Monahan | 24 | Daughter-in-law | — | Illinois |
| 63 | Barbara F Monahan | 4 | Granddaughter | — | Illinois |
| 64 | Chester J Widener | 35 | Head | Conveyor | Illinois |
| 65 | Elizabeth E Widener | 36 | Wife | — | Austria |
| 66 | Donald E Widener | 13 | Son | — | Illinois |
| 67 | George Wooddell | 38 | Head | Shipping Clerk | Illinois |
| 68 | Ella E Wooddell | 34 | Wife | — | Illinois |
| 69 | Lee A Wooddell | 2 | Son | — | Illinois |
| 70 | Edgar R Tomich | 70 | Head | Clerk | Illinois |
| 71 | Matilda A Tomich | 67 | Wife | — | Illinois |
| 72 | Rosa E Tomich | 36 | Daughter | Stenographer | Illinois |
| 73 | Karl W Struck | 55 | Head | Foreman | Germany |
| 74 | Mary M Struck | 55 | Wife | — | Illinois |
| 75 | Karl W. Jr Struck | 11 | Son | — | Illinois |
| 76 | M. Rose Marbold | 46 | Head | Housework | Illinois |
| 77 | Benita F Marbold | 19 | Daughter | — | Missouri |
| 78 | Anita R Marbold | 17 | Daughter | — | Missouri |
| 79 | Henry H Marbold | 16 | Son | — | Illinois |
| 80 | Benjamin F Marbold | 14 | Son | — | Illinois |
Pedigree Summary
John
Gen 1 · 3 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)