RT
Robert Todd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ionia-County, Michigan
Our Model Tree links this Robert Todd across the 1920, 1930 and 1940 US Censuses in Ionia-County, Michigan (XGBoost, ~Confirmed), with identified parents Lewis & Mina — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ionia-County, Michigan |
| Surname | Todd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Campbell Township |
| 1935 Residence (County) | Ionia |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Income (1939) | 1349 |
| Highest Grade | C-2 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Teacher |
| Township / Ward | Campbell Township |
| Est. Birth Year | ~1910 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Todd | Son | — | 30 | ~1910 |
| Lewis Todd | Head | — | 63 | ~1877 |
| Mina Todd | Spouse | — | 63 | ~1877 |
| Jean Todd | Daughter | — | 15 | ~1925 |
Census Appearances
1920
Ionia, Michigan
Son, age 10
Ionia, Michigan · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Ionia, Michigan
Son, age 20
Ionia, Michigan · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | Robert K |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Farm Laborer |
| Industry | Farm |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ionia-County, Michigan
Son, age 30
Ionia-County, Michigan · implied b. ~1910 — 4 household members
| Surname | Todd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Campbell Township |
| 1935 Residence (County) | Ionia |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Income (1939) | 1349 |
| Highest Grade | C-2 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Robert Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lewis Todd (~0.92 confidence) and mother Mina Todd (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lewis Todd
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Mina Todd
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Todd
Son · 1940 · age 30 · b. ~1910 · Michigan
★ You are viewing this record
Sibling
Jean Todd
Sibling · 1940 · age 15
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 — Ionia-County, Michigan
Open full size
1940 US Federal Census — Ionia-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01764-00256)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Homer Cook | 22 | Son | Farmer | Michigan |
| 2 | Lorenzo D. Sparks | 65 | Head | Laborer | Michigan |
| 3 | Mertie Sparks | 63 | Wife | — | Michigan |
| 4 | Gardner D. Compton | 37 | Head | Farmer | Michigan |
| 5 | June Compton | 33 | Wife | — | Michigan |
| 6 | Fred Steinberger | 38 | Hired Man | Farm Laborer | Michigan |
| 7 | Carl Ruley | 45 | Head | Farmer | Ohio |
| 8 | Ona Ruley | 43 | Wife | — | Ohio |
| 9 | Charles Ruley | 21 | Son | Farm Laborer | Ohio |
| 10 | Geraldine Ruley | 11 | Daughter | — | Michigan |
| 11 | William Leonard | 53 | Head | Mail Carrier | Michigan |
| 12 | Grace Leonard | 51 | Wife | — | Oregon |
| 13 | Alta Leonard | 74 | Mother | — | Michigan |
| 14 | Olay Bechtel | 30 | Head | Laborer | Michigan |
| 15 | Margaret Bechtel | 25 | Wife | — | Michigan |
| 16 | Charlotte Bechtel | 0 | Daughter | — | Michigan |
| 17 | Carl Fawley | 26 | Head | Farmer | Michigan |
| 18 | Mary Fawley | 24 | Wife | — | Michigan |
| 19 | Hazel J. Fawley | 3 | Son | — | Michigan |
| 20 | Carl G. Fawley | 0 | Son | — | Michigan |
| 21 | Lewis Todd | 63 | Head | Farmer | Michigan |
| 22 | Mina Todd | 63 | Wife | — | Michigan |
| 23 | Jean Todd | 15 | Daughter | — | Michigan |
| 24 | Robert Todd THIS PERSON | 30 | Son | Teacher | Michigan |
| 25 | Marvel Neeb | 27 | Head | Farmer | Michigan |
| 26 | Dorothy Neeb | 24 | Wife | — | Michigan |
| 27 | Charles Mccaul | 57 | Head | Farmer | Michigan |
| 28 | Priscilla Mccaul | 43 | Wife | — | Michigan |
| 29 | Ray Mccaul | 8 | Son | — | Michigan |
| 30 | Boyd Mccaul | 6 | Son | — | Michigan |
| 31 | Willie Headworth | 71 | Head | — | Michigan |
| 32 | Eugene Heaver | 71 | Head | Farmer | Michigan |
| 33 | Ella Heaver | 62 | Wife | — | Michigan |
| 34 | Ray Heaver | 45 | Son | Brakeman | Michigan |
| 35 | Maxine Heaver | 15 | Grand-daughter | — | Michigan |
| 36 | Maxine Heaver | 13 | Grand-daughter | — | Michigan |
| 37 | Alfred Bedell | 57 | Head | Farmer | Michigan |
| 38 | Mary Bedell | 59 | Wife | — | Michigan |
| 39 | Louis Wade | 46 | Head | Farmer | Michigan |
| 40 | Mildred Wade | 40 | Wife | — | Michigan |
Pedigree Summary
Robert + 1 sibling
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)