WM
William Merrill — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this William Merrill across the 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Merrill |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1921 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Melvin Merrill | Son | — | 12 | ~1928 |
| Elizabeth Merrill | Spouse | — | 45 | ~1895 |
| Lloyd Merrill | Son | — | 18 | ~1922 |
| William Merrill | Son | — | 19 | ~1921 |
| Marcella Merrill | Daughter | — | 7 | ~1933 |
| Robert Merrill | Son | — | 14 | ~1926 |
| William Merrill | Head | — | 42 | ~1898 |
| Harold Merrill | Son | — | 16 | ~1924 |
Census Appearances
1930
Sangamon, Illinois
Son, age 9
Sangamon, Illinois · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Merrill |
| Given Name | William Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Son, age 19
Sangamon-County, Illinois · implied b. ~1921 — 8 household members
| Surname | Merrill |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Merrill across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Merrill
Son · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
Melvin Merrill
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Merrill
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Merrill
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Merrill
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Merrill
Sibling · 1940 · age 7
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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00885-00450)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lauria A Palmer | 60 | Wife | — | Illinois |
| 42 | Peter Yakas | 65 | Head | Laborer | Illinois |
| 43 | Anthony Yakas | 31 | Son | Machinist | Ohio |
| 44 | Walter Yakas | 28 | Son | — | Illinois |
| 45 | James D Wooten | 45 | Head | Driver | Illinois |
| 46 | Mary Wooten | 35 | Wife | — | Illinois |
| 47 | James P Wooten | 16 | Son | — | Illinois |
| 48 | Margaret Thrasher | 16 | Niece | — | Texas |
| 49 | Lafayette Palmer | 59 | Head | Painter | Illinois |
| 50 | Nettie Palmer | 61 | Wife | — | Illinois |
| 51 | William Merrill | 42 | Head | Mechanic | Illinois |
| 52 | Elizabeth Merrill | 45 | Wife | — | Illinois |
| 53 | William Jr. Merrill THIS PERSON | 19 | Son | — | Illinois |
| 54 | Lloyd Merrill | 18 | Son | — | Illinois |
| 55 | Harold Merrill | 16 | Son | — | Illinois |
| 56 | Robert Merrill | 14 | Son | — | Illinois |
| 57 | Melvin Merrill | 12 | Son | — | Illinois |
| 58 | Marcella Merrill | 7 | Daughter | — | Illinois |
| 61 | Albert Lichtenberger | 44 | Head | Photographer | Illinois |
| 62 | Ethel Lichtenberger | 42 | Wife | — | Illinois |
| 63 | Alan Lichtenberger | 16 | Son | — | Illinois |
| 64 | Caris Lichtenberger | 14 | Son | — | Illinois |
| 65 | Barbara Lichtenberger | 10 | Daughter | — | Illinois |
| 66 | Silver Suarez | 26 | Head | Maintenance | Illinois |
| 67 | Laura Suarez | 26 | Wife | — | Illinois |
| 68 | Ernest Poppie | 21 | Lodger | Stenographer | Illinois |
| 69 | Russel C Bradford | 45 | Head | Painter | Illinois |
| 70 | Eva Bradford | 34 | Wife | — | Illinois |
| 71 | Frances Pearman | 72 | Mother-in-law | — | Illinois |
| 72 | Arthur G Mcknight | 44 | Head | Mail Carrier | Illinois |
| 73 | Agnes Mcknight | 44 | Wife | — | Wisconsin |
| 74 | Marjorie Mcknight | 11 | Daughter | — | Illinois |
| 75 | Charles Dalpiaz | 27 | Son-in-law | Mechanic | Illinois |
| 76 | Merle Dalpiaz | 20 | Daughter | Stenographer | Illinois |
| 77 | Emmett P Fisher | 33 | Head | Tracklayer | Illinois |
| 78 | Mae Fisher | 27 | Wife | — | Illinois |
| 79 | Betty Jean Fisher | 10 | Daughter | — | Illinois |
| 80 | Moline Fisher | 9 | Daughter | — | Illinois |
Related Census Records
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)