WC
Willie Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Merrimack-County, New Hampshire
Our Model Tree links this Willie Clark across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Merrimack-County, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.
Age 74
b. ~1866
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Merrimack-County, New Hampshire |
| Surname | Clark |
| Given Name | Willie F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Bow Mills |
| 1935 Residence (County) | Merrimack |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Own account |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Carpenter |
| Township / Ward | Bow Mills |
| Est. Birth Year | ~1866 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Willie | Age | Birth yr |
|---|---|---|---|---|
| Willie Clark | Head | — | 74 | ~1866 |
| William Clark | Son | — | 24 | ~1916 |
| Shirley Clark | Son | — | 22 | ~1918 |
| Grace Clark | Spouse | — | 63 | ~1877 |
Census Appearances
1900
Merrimack, New …
Head, age 36
Merrimack, New Hampshire · implied b. ~1864 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Will D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Birth Month | May |
| Birth Year | 1864 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Section hand on RR |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Merrimack, New …
Head, age 45
Merrimack, New Hampshire · implied b. ~1865 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | William F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Years Married | 15 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Merrimack, New …
Head, age 55
Merrimack, New Hampshire · implied b. ~1865 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Willie F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Merrimack, New …
Head, age 65
Merrimack, New Hampshire · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Willie F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 20 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Carpenter |
| Industry | General |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Merrimack-County, New …
Head, age 74
Merrimack-County, New Hampshire · implied b. ~1866 — 4 household members
| Surname | Clark |
| Given Name | Willie F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Bow Mills |
| 1935 Residence (County) | Merrimack |
| Occupation | Carpenter |
| Industry | Own account |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Willie Clark across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Willie Clark
Head · 1940 · age 74 · b. ~1866 · New Hampshire
★ 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 — Merrimack-County, New Hampshire
Open full size
1940 US Federal Census — Merrimack-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02293-00139)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert B. Knott | 23 | Step-son | Signalman | New Hampshire |
| 2 | Lottie M. Billings | 60 | Head | Housekeeper | New Hampshire |
| 3 | William Rollins | 55 | Head | Proprietor | New Hampshire |
| 4 | Elmer W. Goodwin | 38 | Head | Operator | Massachusetts |
| 5 | Gladys R. Goodwin | 33 | Wife | Practical Nurse | New Hampshire |
| 6 | Elsie A. Goodwin | 14 | Son | — | New Hampshire |
| 7 | Herbert W. Goodwin | 12 | Son | — | New Hampshire |
| 8 | Daniel Goodwin | 11 | Son | — | New Hampshire |
| 9 | Ruth B. Jones | 22 | Niece | Reg. Nurse | Vermont |
| 10 | Shirley A. Stevens | 37 | Head | Stock Foreman | Maine |
| 11 | Ellen F. Stevens | 35 | Wife | — | New Hampshire |
| 12 | Mary L. Stevens | 9 | Daughter | — | New Hampshire |
| 13 | George N. George | 71 | Father | Janitor | New Hampshire |
| 14 | Etta B. George | 69 | Mother | — | New Hampshire |
| 15 | Thelma B. Little | 18 | Maid | Housekeeper | New Hampshire |
| 16 | Herman C. Hawkins | 67 | Head | Operator | New Hampshire |
| 17 | Edna J. Hawkins | 74 | Wife | — | Canada-English |
| 18 | Roy W. Ludlow | 50 | Head | Janitor | New Hampshire |
| 19 | Ida E. Ludlow | 58 | Wife | — | New Hampshire |
| 20 | James E. Welch | 73 | Head | Contractor | Connecticut |
| 21 | Mary J. Welch | 75 | Wife | Superintendent | Canada-French |
| 22 | Paul W. Heath | 39 | Head | Chief Clerk | New Hampshire |
| 23 | Ruth R. Heath | 35 | Wife | — | New Hampshire |
| 24 | George A. Heath | 12 | Son | — | New Hampshire |
| 25 | Grace V. Heath | 10 | Daughter | — | New Hampshire |
| 26 | Pauline R. Heath | 9 | Daughter | — | New Hampshire |
| 27 | Lois M. Heath | 6 | Daughter | — | New Hampshire |
| 28 | Howard F. Tebeau | 46 | Head | Machinist | New Hampshire |
| 29 | Emma L. Tebeau | 33 | Wife | — | Vermont |
| 30 | Josephine F. Crafts | 48 | Head | Housekeeper | Massachusetts |
| 31 | Lawrence J. Perren | 23 | Head | Roofer | New Hampshire |
| 32 | Jane M. Perren | 23 | Wife | — | New York |
| 33 | Patricia Ann Perren | 0 | Daughter | — | New Hampshire |
| 34 | Donald J. Wallace | 23 | Boarder | Roofer | New Hampshire |
| 35 | Ronald C. Clark | 37 | Head | Carpenter | New Hampshire |
| 36 | Marjorie L. Clark | 30 | Wife | Waitress | Massachusetts |
| 37 | Willie F. Clark THIS PERSON | 74 | Head | Carpenter | New Hampshire |
| 38 | Grace M. Clark | 63 | Wife | — | Rhode Island |
| 39 | William H. Clark | 24 | Son | Farm Helper | New Hampshire |
| 40 | Shirley L. Clark | 22 | Son | Laborer | New Hampshire |
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)