RL
Robert Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ingham-County, Michigan
Our Model Tree links this Robert Leonard across the 1920, 1930 and 1940 US Censuses in Ingham-County, Michigan (XGBoost, ~Confirmed), with identified parents Ernest & Mabel — first a head (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ingham-County, Michigan |
| Surname | Leonard |
| Given Name | Robert L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Ingham |
| Additional Details | |
| Occupation | electrical worker |
| Industry | elevator (grain) |
| Class of Worker | PW |
| Hours Worked | 51 |
| Income (1939) | 950 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Electrical Worker |
| Township / Ward | Mason City |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Lucille Leonard | Spouse | — | 20 | ~1920 |
| Robert Leonard | Head | — | 23 | ~1917 |
| Judith Leonard | Daughter | — | 1 | ~1939 |
Census Appearances
1920
Ingham, Michigan
Son, age 2
Ingham, Michigan · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Illinois |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Ingham, Michigan
Son, age 13
Ingham, Michigan · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ingham-County, Michigan
Head, age 23
Ingham-County, Michigan · implied b. ~1917 — 3 household members
| Surname | Leonard |
| Given Name | Robert L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Ingham |
| Occupation | electrical worker |
| Industry | elevator (grain) |
| Class of Worker | PW |
| Hours Worked | 51 |
| Income (1939) | 950 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Leonard (~0.92 confidence) and mother Mabel Leonard (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Leonard
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Mabel Leonard
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Leonard
Head · 1940 · age 23 · b. ~1917 · Michigan
★ 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 — Ingham-County, Michigan
Open full size
1940 US Federal Census — Ingham-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01763-00701)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter D. Hick | 3 | Son | — | Michigan |
| 2 | Joseph D. Hick | 2 | Son | — | Michigan |
| 3 | Ray L. Buller | 57 | Head | Rural Mail Carrier | Michigan |
| 4 | Beulah D. Buller | 52 | Wife | — | Michigan |
| 5 | William D. Buller | 15 | Son | — | Michigan |
| 6 | George H. Shafer | 51 | Head | — | Michigan |
| 7 | J. Glenn Greene | 49 | Head | Electrical Contractor | Michigan |
| 8 | Elizabeth P. Greene | 49 | Wife | — | Michigan |
| 9 | Thomas N. Greene | 19 | Son | — | California |
| 10 | Joan E. Greene | 14 | Daughter | — | Michigan |
| 11 | Rosemary G. Greene | 9 | Daughter | — | Michigan |
| 12 | John H. Schropp | 23 | Head | Press Operator | Michigan |
| 13 | Rose L. Schropp | 20 | Wife | — | Pennsylvania |
| 14 | Gwendolyn F. Schropp | 0 | Daughter | — | Michigan |
| 15 | William J. Barber | 51 | Head | Assistant Superintendent | Michigan |
| 16 | Catharine M. Barber | 52 | Sister | — | Michigan |
| 17 | Maud T. Barber | 54 | Sister | Bookkeeper | Michigan |
| 18 | J. L. Day | 23 | Lodger | Carpenter | Michigan |
| 19 | Floyd C. Watson | 33 | Lodger | Dishwasher | Ohio |
| 20 | Marguerite Watson | 20 | Lodger | Waitress | Michigan |
| 21 | James Mcdonald | 86 | Head | — | England |
| 22 | L. M. Mcdonald | 72 | Wife | — | New York |
| 23 | Robert L. Leonard THIS PERSON | 23 | Head | Electrical Worker | Michigan |
| 24 | Lucille Leonard | 20 | Wife | — | Michigan |
| 25 | Judith A. Leonard | 1 | Daughter | — | Michigan |
| 26 | Ruth R. Huschke | 21 | Head | Stenographer | Michigan |
| 27 | Doris E. Parish | 23 | Partner | Clerk | Michigan |
| 28 | Frank J. Hoover | 27 | Head | Butcher | Ohio |
| 29 | Vera M. Hoover | 27 | Wife | — | Michigan |
| 30 | Patricia A. Hoover | 7 | Daughter | — | Michigan |
| 31 | Alvin K. Cooper | 27 | Head | Manager | Ohio |
| 32 | Beatrice R. Cooper | 33 | Wife | — | Wisconsin |
| 33 | Ann L. Cooper | 1 | Daughter | — | Ohio |
| 34 | Forest C. Hill | 27 | Head | Clerk | Michigan |
| 35 | Marion Hill | 26 | Wife | Teacher | Michigan |
| 36 | Anna E. Jones | 75 | Head | — | Michigan |
| 37 | Donald M. Dillingham | 21 | Head | Salesman | Michigan |
| 38 | Alice C. Dillingham | 21 | Wife | Dental Assistant | Michigan |
| 39 | Theodore J. Heine | 29 | Head | Clerk | Michigan |
| 40 | Helen B. Heine | 30 | Wife | — | Michigan |
Pedigree Summary
Robert
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)