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Mary Holt — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, Illinois
Our Model Tree links this Mary Holt across the 1930 and 1940 US Censuses in Mercer-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 13-person household.
Age 44
b. ~1896
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Illinois |
| Surname | Holt |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Mercer Township |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Mercer Township |
| Est. Birth Year | ~1896 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Holt | Spouse | — | 44 | ~1896 |
| Darlene Holt | Daughter | — | 7 | ~1933 |
| Gerald Holt | Son | — | 13 | ~1927 |
| Danny Holt | Son | — | 2 | ~1938 |
| Ernest Holt | Son | — | 17 | ~1923 |
| Charles Holt | Son | — | 15 | ~1925 |
| Annie Holt | Daughter | — | 9 | ~1931 |
| Barbara Holt | Daughter | — | 11 | ~1929 |
| Jackie Holt | Son | — | ~1940 | |
| Mary Holt | Daughter | — | 5 | ~1935 |
| Paul Holt | Son | — | 19 | ~1921 |
| Tommy Holt | Son | — | 2 | ~1938 |
| Ray Holt | Head | — | 44 | ~1896 |
Census Appearances
1930
Mercer, Illinois
Spouse, age 32
Mercer, Illinois · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holt |
| Given Name | Mary L |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | West Virginia |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Mercer-County, Illinois
Spouse, age 44
Mercer-County, Illinois · implied b. ~1896 — 13 household members
| Surname | Holt |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Mercer Township |
| 1935 Residence (County) | Mercer |
| Industry | H |
| Class of Worker | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Holt across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Holt
Spouse · 1940 · age 44 · b. ~1896 · Illinois
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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-t0627-00858-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Myrtle Nesbitt | 44 | Wife | — | Illinois |
| 2 | Edwin Nesbitt | 12 | Son | — | Illinois |
| 3 | Alfred Nesbitt | 11 | Son | — | Illinois |
| 4 | Ray Holt | 44 | Head | Wheeler | Illinois |
| 5 | Mary Holt THIS PERSON | 44 | Wife | — | Indiana |
| 6 | Paul Holt | 19 | Son | Labor | Illinois |
| 7 | Ernest Holt | 17 | Son | Labor | Illinois |
| 8 | Charles Holt | 15 | Son | — | Illinois |
| 9 | Gerald Holt | 13 | Son | — | Illinois |
| 10 | Barbara Holt | 11 | Daughter | — | Illinois |
| 11 | Annie Holt | 9 | Daughter | — | Illinois |
| 12 | Darlene Holt | 7 | Daughter | — | Illinois |
| 13 | Mary Holt | 5 | Daughter | — | Illinois |
| 14 | Danny Holt | 2 | Son | — | Illinois |
| 15 | Tommy Holt | 2 | Son | — | Illinois |
| 16 | Jackie Holt | 0 | Son | — | Illinois |
| 17 | George Yale | 47 | Head | Mechanic | Missouri |
| 18 | Luella Yale | 47 | Wife | — | Kansas |
| 19 | Charles Calderone | 34 | Head | Clerk | Illinois |
| 20 | Iavon Calderone | 25 | Wife | — | Illinois |
| 21 | Marilyn Calderone | 7 | Daughter | — | Illinois |
| 22 | Rodney Calderone | 3 | Son | — | Illinois |
| 23 | Patricia Calderone | 0 | Daughter | — | Illinois |
| 24 | Florence Gilland | 45 | Head | Nurse | Illinois |
| 25 | Jane Gilland | 18 | Wife | — | Illinois |
| 26 | Nelson Perry | 64 | Head | Farmer | Illinois |
| 27 | Daisy Perry | 42 | Wife | — | Illinois |
| 28 | Pauline Perry | 22 | Daughter | Teacher | Illinois |
| 29 | Edwin Ginrich | 72 | Head | Farmer | Iowa |
| 30 | Dora Ginrich | 63 | Sister | — | Illinois |
| 31 | Milo Powers | 57 | Head | Salesman | Michigan |
| 32 | Lee Green | 32 | Lodger | Mechanic | Illinois |
| 33 | Ethel Green | 22 | Lodger | Saleslady | Illinois |
| 34 | Milo Damp | 46 | Head | Mail Carrier | Illinois |
| 35 | Jessie Damp | 46 | Wife | — | Illinois |
| 36 | Lee Damp | 13 | Son | — | Illinois |
| 37 | Howard Dunn | 71 | Head | Farmer | Illinois |
| 38 | Ruth Dunn | 30 | Daughter | Telephone Opr. | Illinois |
| 39 | Harold Dunn | 28 | Son | Mechanic | Illinois |
| 40 | Clyde Walter | 69 | Head | Manager | Illinois |
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)