MF
Mary French — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Mary French across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents August & Emma — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | French |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Class of Worker | O |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1898 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty French | Daughter | — | 21 | ~1919 |
| Mary French | Head | — | 42 | ~1898 |
| Marie Link | Other | — | 45 | ~1895 |
| Gordon French | Son | — | 18 | ~1922 |
Census Appearances
1920
Sangamon, Illinois
Daughter, age 22
Sangamon, Illinois · implied b. ~1898 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | French |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Daughter, age 32
Sangamon, Illinois · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | French |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | apprentice |
| Industry | Beauty parlor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Head, age 42
Sangamon-County, Illinois · implied b. ~1898 — 4 household members
| Surname | French |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Class of Worker | O |
| Highest Grade | H 4 |
| 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 Mary French across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father August Link (~0.92 confidence) and mother Emma Link (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
August Link
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Emma Link
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary French
Head · 1940 · age 42 · b. ~1898 · 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-t0627-00885-00013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marie Sauer | 43 | Wife | Housekeeper | Illinois |
| 42 | Mary Drauloh|Dranloh | 22 | Lodger | Waitress | Illinois |
| 43 | Molly Lyons | 58 | Lodger | Proof Reader | Illinois |
| 44 | John A. Boyer | 65 | Lodger | — | Illinois |
| 45 | Albert Ashley | 57 | Lodger | — | Pennsylvania |
| 46 | Fred Donovan | 57 | Lodger | Policeman | Illinois |
| 47 | Elsie Donovan | 58 | Lodger | — | Illinois |
| 48 | Joyce L. Donovan | 5 | Lodger | — | Illinois |
| 49 | Elena Connors | 24 | Lodger | Waitress | Illinois |
| 50 | Bert Chapman | 43 | Lodger | Bank Examiner | Illinois |
| 51 | Fred Dahlman | 71 | Head | Building Contractor | Illinois |
| 52 | Temple Dahlman | 62 | Wife | — | Illinois |
| 53 | Frank A. Gellman | 69 | Head | Proprietor | Illinois |
| 54 | Deaton Holt | 64 | Head | Surgeon | Illinois |
| 55 | Nettie Holt | 59 | Wife | — | Illinois |
| 56 | Mary E. French THIS PERSON | 42 | Head | — | Illinois |
| 57 | Betty Jane French | 21 | Daughter | Assistant | Illinois |
| 58 | Gordon Lewis French | 18 | Son | — | Illinois |
| 59 | Marie Antoinette Link | 45 | Sister | Secretary | Illinois |
| 60 | Ruth Fullerston | 65 | Head | Clerk | Illinois |
| 61 | Isabel Kane | 76 | Lodger | — | Illinois |
| 62 | Anna M. Telsall | 66 | Lodger | — | Michigan |
| 63 | Katherine Sough | 68 | Lodger | Financial Secretary | Illinois |
| 64 | Elsie Helsall | 57 | Head | Housekeeper | Illinois |
| 65 | Irene Werney | 40 | Lodger | — | — |
| 66 | Isabel Upp | 51 | Lodger | Stenographer | Illinois |
| 67 | Lelia Drake | 59 | Lodger | Stenographer | Missouri |
| 68 | Forrest C. Lamb | 20 | Lodger | Proprietor | Illinois |
| 69 | Mary A. Daily | 29 | Lodger | Office Clerk | Iowa |
| 70 | Patricia White | 26 | Lodger | Clerk | Illinois |
| 71 | A. F. Thomas | 37 | Lodger | Highway Engineer | Arkansas |
| 72 | Velma Thomas | 28 | Lodger | Secretary | Illinois |
| 73 | John H. Piper | 83 | Head | Proprietor | Illinois |
| 74 | G. George Gregory | 41 | Nephew | Clerk | Kansas |
| 75 | — | None | — | — | — |
| 76 | Elsa M. Warner | 54 | Head | Registered Nurse | Germany |
| 77 | Mary Elizabeth Moore | 68 | Head | — | Ohio |
| 78 | James M. Graham | 88 | Head | Lawyer | Ireland |
| 79 | Mary A. Graham | 55 | Daughter | — | Illinois |
| 80 | Helen K. Graham | 50 | Daughter | — | Illinois |
Pedigree Summary
Mary
Gen 1 · 2 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)