WT
William Todd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marquette-County, Michigan
Our Model Tree links this William Todd across the 1920, 1930 and 1940 US Censuses in Marquette-County, Michigan (XGBoost, ~Confirmed), with identified parents Clara & William — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Michigan |
| Surname | Todd |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Marquette City |
| 1935 Residence (County) | Marquette |
| Additional Details | |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | New Worker |
| Township / Ward | Marquette City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Elsy Todd | Daughter | — | 17 | ~1923 |
| Claire Todd | Daughter | — | 12 | ~1928 |
| William Todd | Head | — | 41 | ~1899 |
| William Todd | Son | — | 21 | ~1919 |
| Olive Todd | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Marquette, Michigan
Son, age 1
Marquette, Michigan · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | William U. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Ontario Canada |
| Mother Tongue | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Marquette, Michigan
Son, age 11
Marquette, Michigan · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Todd |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada English |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Marquette-County, Michigan
Son, age 21
Marquette-County, Michigan · implied b. ~1919 — 5 household members
| Surname | Todd |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Marquette City |
| 1935 Residence (County) | Marquette |
| Occupation | New Worker |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 0 |
| 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 William Todd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Clara Todd (~0.80 confidence) and father William Todd (~0.92 confidence) and mother Olive Todd (~0.92 confidence) and father William Todd (~0.92 confidence) and mother Olive Todd (~0.92 confidence) and father William Todd (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Mother
Clara Todd
b. ~None
Source mother
● Household
· direct · ~0.8
Father
William Todd
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Olive Todd
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
William Todd
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Olive Todd
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
William Todd
b. ~1899
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Todd
Son · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Elsy Todd
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Todd
Sibling · 1940 · age 12
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 — Marquette-County, Michigan
Open full size
1940 US Federal Census — Marquette-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01787-00066)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Cafferty | 67 | Lodger | — | Michigan |
| 42 | James Ostenbauer | 32 | Head | Salesman | Michigan |
| 43 | Ruth Ostenbauer | 27 | Wife | — | Illinois |
| 44 | Beverly Ostenbauer | 5 | Daughter | — | Michigan |
| 45 | Mary Lou Ostenbauer | 3 | Daughter | — | Michigan |
| 46 | James Kivela | 51 | Head | Laborer | Finland |
| 47 | Marie Kivela | 40 | Wife | — | Michigan |
| 48 | Effie Kivela | 17 | Daughter | — | Michigan |
| 49 | Jack Kivela | 15 | Son | — | Michigan |
| 50 | Pearl Kivela | 13 | Son | — | Michigan |
| 51 | Elias Mason | 76 | Head | — | England |
| 52 | Frank Mason | 55 | Son | — | Canada Eng |
| 53 | Frank J Balmes | 57 | Head | House Decorator | Ohio |
| 54 | Mary A Balmes | 56 | Wife | — | Michigan |
| 55 | Maurice Banjil | 57 | Head | Fireman | Ireland |
| 56 | Margaret Banjil | 55 | Wife | — | Ohio |
| 57 | Ann Scanlon | 32 | Daughter | — | Michigan |
| 58 | David Scanlon | 30 | Son | Guard | Michigan |
| 59 | Gertrude Kimbell | 64 | Lodger | — | Germany |
| 60 | Carl E Bell | 35 | Head | House Insulator | Canada Eng |
| 61 | Amelia R Bell | 31 | Wife | — | Michigan |
| 62 | Marvin J Bell | 9 | Son | — | Michigan |
| 63 | Joseph R Bell | 6 | Son | — | Michigan |
| 64 | Carl E Jr Bell | 5 | Son | — | Michigan |
| 65 | Gordon M Bell | 2 | Son | — | Michigan |
| 66 | Virginia Brisson | 51 | Head | — | Michigan |
| 67 | Edward Brisson | 22 | Son | Laborer | Michigan |
| 68 | Clinton Wallace | 54 | Head | Machinist Helper | Michigan |
| 69 | Clara A Wallace | 54 | Wife | — | Wisconsin |
| 70 | Irene Wallace | 25 | Daughter | Beauty Operator | Wisconsin |
| 71 | Lenore Columbine | 23 | Lodger | Beauty Operator | Michigan |
| 72 | William H Todd | 41 | Head | Locomotive Fireman | Michigan |
| 73 | Olive A Todd | 45 | Wife | — | Michigan |
| 74 | William A Todd THIS PERSON | 21 | Son | New Worker | Michigan |
| 75 | Elsy C Todd | 17 | Daughter | — | Michigan |
| 76 | Claire A Todd | 12 | Daughter | — | Michigan |
| 77 | Joseph Morin | 42 | Head | Auto Electrical Mechanic | Michigan |
| 78 | Aldea A Morin | 40 | Wife | — | Michigan |
| 79 | Theresa Morin | 11 | Daughter | — | Michigan |
| 80 | Patricia Morin | 10 | Daughter | — | Michigan |
Pedigree Summary
William + 2 siblings
Gen 1 · 6 parents
~0.9
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)