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William Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wicomico-County, Maryland
Our Model Tree links this William Harmon across the 1930 and 1940 US Censuses in Wicomico-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1897), then head of a 8-person household.
Age 43
b. ~1897
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wicomico-County, Maryland |
| Surname | Harmon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #8 Nutters |
| 1935 Residence (County) | Wicomico |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | Election District 8 Nutters |
| Est. Birth Year | ~1897 |
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 |
|---|---|---|---|---|
| Bertha Harmon | Daughter | — | 37 | ~1903 |
| Maushaner Harmon | Daughter | — | 48 | ~1892 |
| Jerome Harmon | Son | — | 40 | ~1900 |
| William Harmon | Son | — | 43 | ~1897 |
| Thomas Harmon | Son | — | 50 | ~1890 |
| Florence Harmon | Daughter | — | 54 | ~1886 |
| Sadie Harmon | Daughter | — | 39 | ~1901 |
| Caroline Harmon | Head | — | 70 | ~1870 |
Census Appearances
1930
Wicomico, Maryland
Son, age 29
Wicomico, Maryland · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Wicomico-County, Maryland
Son, age 43
Wicomico-County, Maryland · implied b. ~1897 — 8 household members
| Surname | Harmon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #8 Nutters |
| 1935 Residence (County) | Wicomico |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Harmon
Son · 1940 · age 43 · b. ~1897 · Maryland
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Sibling
Florence Harmon
Sibling · 1940 · age 54
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Harmon
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Harmon
Sibling · 1940 · age 50
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Harmon
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sadie Harmon
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maushaner Harmon
Sibling · 1940 · age 48
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 — Wicomico-County, Maryland
Open full size
1940 US Federal Census — Wicomico-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01563-00663)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James O Brown | 39 | Head | Laborer | Maryland |
| 2 | Annie Brown | 40 | Wife | Piece Work | Maryland |
| 3 | Irving Brown | 17 | Son | — | Maryland |
| 4 | James Jr. Brown | 16 | Son | Laborer | Maryland |
| 5 | William Brown | 20 | Son | Attendant | Maryland |
| 6 | Elizabeth P Brown | 18 | Daughter | — | Maryland |
| 7 | Robert Brown | 13 | Boarder | — | Maryland |
| 8 | Arthur Givans | 45 | Brother-in-law | — | Maryland |
| 9 | George Collins | 45 | Head | Laborer | Maryland |
| 10 | Gladys Collins | 40 | Wife | Cook | Maryland |
| 11 | James Collins | 75 | Head | Laborer | Maryland |
| 12 | Caroline Harmon | 70 | Head | — | Maryland |
| 13 | Florence Harmon | 54 | Daughter | — | Maryland |
| 14 | Thomas Harmon | 50 | Son | Farmer | Maryland |
| 15 | Maushaner Harmon | 48 | Daughter | — | Maryland |
| 16 | William Harmon THIS PERSON | 43 | Son | Farmer | Maryland |
| 17 | Jerome Harmon | 40 | Son | Farmer | Maryland |
| 18 | Sadie Harmon | 39 | Daughter | — | Maryland |
| 19 | Bertha Harmon | 37 | Daughter | — | Maryland |
| 20 | Everett Jones | 29 | Head | Farmer | Maryland |
| 21 | Orie Jones | 29 | Wife | — | Maryland |
| 22 | Dorothy Jones | 7 | Daughter | — | Maryland |
| 23 | John W. Jones | 57 | Head | Farmer | Maryland |
| 24 | Lillian Jones | 57 | Wife | — | England |
| 25 | Nellie Kennedy | 50 | Head | Farmer | Maryland |
| 26 | James E. Chesser | 36 | Lodger | Lineman | Maryland |
| 27 | Daisy Chesser | 42 | Lodger Wife | — | Maryland |
| 28 | Violet Taylor | 17 | Lodger | — | Maryland |
| 29 | Thomas W. Cyane | 74 | Head | Poultry | Indiana |
| 30 | Eva L. Cyane | 62 | Wife | — | Georgia |
| 31 | Robert B. Clehand | 37 | Head | Poultry | New Jersey |
| 32 | Elsie L. Clehand | 34 | Wife | — | New York |
| 33 | Ruben L. Hales | 43 | Head | Farmer | Maryland |
| 34 | Ethel M Hales | 43 | Wife | — | Maryland |
| 35 | Lester Hales | 18 | Son | — | Maryland |
| 36 | Katheryn Hales | 16 | Daughter | — | Maryland |
| 37 | Kenneth Hales | 8 | Son | — | Maryland |
| 38 | Shirley Hales | 4 | Daughter | — | Maryland |
| 39 | Donald Hales | 1 | Son | — | Maryland |
| 40 | Farrell Twigg | 21 | Hired help | Laborer | Maryland |
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)