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William Simms — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this William Simms across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1931), then head of a 7-person household.
Age 9
b. ~1931
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Simms |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 3 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1931 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Gloria Simms | Daughter | — | 14 | ~1926 |
| Margaret Simms | Daughter | — | 1 | ~1939 |
| William Simms | Head | — | 38 | ~1902 |
| William Simms | Son | — | 9 | ~1931 |
| Ray Simms | Son | — | 5 | ~1935 |
| Delores Simms | Daughter | — | 12 | ~1928 |
| Bertha Simms | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Marion, Indiana
Other, age 2
Marion, Indiana · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simms |
| Given Name | William |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 9
Marion-County, Indiana · implied b. ~1931 — 7 household members
| Surname | Simms |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Industry | 0 |
| Highest Grade | 3 |
| 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 William Simms across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Simms
Son · 1940 · age 9 · b. ~1931 · Indiana
★ You are viewing this record
Sibling
Delores Simms
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Simms
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Simms
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Simms
Sibling · 1940 · age 1
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01124-00056)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fanny Washington | 47 | Wife | — | Kentucky |
| 2 | David Washington | 5 | Nephew | — | Indiana |
| 3 | Gilbert Viles | 54 | Head | Laborer | Kentucky |
| 4 | Ester Viles | 29 | Wife | — | Illinois |
| 5 | Jewel Viles | 11 | Daughter | — | Indiana |
| 6 | John Viles | 7 | Son | — | Indiana |
| 7 | James Viles | 6 | Son | — | Indiana |
| 8 | Nancy Robert | 40 | Head | Maid | Indiana |
| 9 | Letty Wickliffe | 38 | Head | Teacher | Michigan |
| 10 | Lillian Briant | 44 | Lodger | Teacher | New Jersey |
| 11 | Edward Barker | 50 | Head | Painter | Indiana |
| 12 | Betty Barker | 52 | Wife | Maid | Indiana |
| 13 | Mary Clark | 57 | Head | Odd Jobs | Tennessee |
| 14 | William Clark | 27 | Son | — | Arkansas |
| 15 | Allie Owens | 56 | Head | Day Work | Tennessee |
| 16 | Pearl Allen | 42 | Lodger | Maid | Kentucky |
| 17 | Bess Allen | 24 | Lodger | — | Kentucky |
| 18 | Tom Williams | 56 | Head | Laborer | Kentucky |
| 19 | Thomas Williams | 28 | Son | Laborer | Indiana |
| 21 | James Bowman | 32 | Head | Trucker | Kentucky |
| 22 | Matilda Bowman | 30 | Wife | — | Kentucky |
| 23 | Jesse Jones | 39 | Brother-in-law | Farm Laborer | Kentucky |
| 24 | Harmon Brooks | 63 | Head | Cement Finisher | Alabama |
| 25 | Jessie M. Brooks | 34 | Wife | — | Louisiana |
| 26 | Edward Jones | 60 | Head | Window Washer | Tennessee |
| 27 | Bertha S. Jones | 48 | Wife | — | Kentucky |
| 28 | Mary E. Quarles | 29 | Daughter | Maid | Indiana |
| 29 | Leroy R. Quarles | 2 | Grandson | — | Indiana |
| 30 | Bert Russell Quarles | 1 | Grandson | — | Indiana |
| 31 | William B. Gillian | 47 | Head | Ice Man | Kentucky |
| 33 | William Simms | 38 | Head | Meat Packer | Tennessee |
| 34 | Bertha Simms | 32 | Wife | — | Indiana |
| 35 | Gloria May Simms | 14 | Daughter | — | Indiana |
| 36 | Delores Simms | 12 | Daughter | — | Indiana |
| 37 | William H. Simms THIS PERSON | 9 | Son | — | Indiana |
| 38 | Ray Simms | 5 | Son | — | Indiana |
| 39 | Margaret Simms | 1 | Daughter | — | Indiana |
| 40 | Jeff Gillian | 58 | Head | — | South Carolina |
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)