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Frank Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harford-County, Maryland
Our Model Tree links this Frank Clark across the 1920, 1930 and 1940 US Censuses in Harford-County, Maryland (XGBoost, ~Confirmed), with identified parents George — first a head (b.~1897), then head of a 7-person household.
Age 43
b. ~1897
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harford-County, Maryland |
| Surname | Clark |
| Given Name | Frank S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Elicit |
| 1935 Residence (County) | Harford |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 520 |
| Highest Grade | H 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Carpenter |
| Township / Ward | Elicit |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Clark | Head | — | 43 | ~1897 |
| Ray Thompson | Other | — | 46 | ~1894 |
| Carroll Clark | Son | — | 15 | ~1925 |
| Glenn Clark | Son | — | 18 | ~1922 |
| Roy Clark | Son | — | 2 | ~1938 |
| George Clark | Son | — | 3 | ~1937 |
| Mabel Clark | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Harford, Maryland
Son, age 23
Harford, Maryland · implied b. ~1897 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Frank S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Harford, Maryland
Head, age 33
Harford, Maryland · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Frank S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | servant |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 8 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Harford-County, Maryland
Head, age 43
Harford-County, Maryland · implied b. ~1897 — 7 household members
| Surname | Clark |
| Given Name | Frank S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Elicit |
| 1935 Residence (County) | Harford |
| Occupation | Carpenter |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 520 |
| Highest Grade | H 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 Frank Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Clark (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Clark
b. ~1869
Source father
● Household
· direct · ~0.92
This person
Anchor record
Frank Clark
Head · 1940 · age 43 · b. ~1897 · Maryland
★ 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 — Harford-County, Maryland
Open full size
1940 US Federal Census — Harford-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01551-00440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Madeline, H Mosley | 10 | Daughter | — | Maryland |
| 2 | Robert S Pierce | 74 | Head | Blacksmith | North Carolina |
| 3 | Clyde E Pierce | 46 | Wife | — | North Carolina |
| 4 | Paul L Pierce | 16 | Son | — | North Carolina |
| 5 | Greer C Pierce | 13 | Son | — | North Carolina |
| 6 | Harold H Pierce | 11 | Son | — | North Carolina |
| 7 | Frank S Clark THIS PERSON | 43 | Head | Carpenter | Maryland |
| 8 | Mabel L Clark | 40 | Wife | — | Indiana |
| 9 | Glenn T Clark | 18 | Son | — | Maryland |
| 10 | Carroll F Clark | 15 | Son | — | Maryland |
| 11 | George T Clark | 3 | Son | — | Maryland |
| 12 | Roy E Clark | 2 | Son | — | Maryland |
| 13 | Ray Thompson | 46 | Lodger | — | Indiana |
| 14 | Hazel R Greene | 40 | Head | House Work | Maryland |
| 15 | Irene J Greene | 17 | Daughter | Waitress | Maryland |
| 16 | Claire L Greene | 15 | Daughter | — | Maryland |
| 17 | Melvin H England | 47 | Head | Road Worker | Maryland |
| 18 | Margaret E England | 40 | Wife | — | Maryland |
| 19 | Charles England | 20 | Son | Laborer | Maryland |
| 20 | Walter England | 16 | Son | — | Maryland |
| 21 | Cameron England | 11 | Son | — | Maryland |
| 22 | William England | 5 | Son | — | Maryland |
| 23 | Edward England | 2 | Son | — | Maryland |
| 24 | Jesse G Tull | 64 | Head | Road Worker | Maryland |
| 25 | Mattie V Tull | 55 | Wife | — | Maryland |
| 26 | Dorothy Tull | 15 | Daughter | — | Maryland |
| 27 | Walter M Pyle | 36 | Head | Painter | Maryland |
| 28 | Ola W Pyle | 37 | Wife | — | Maryland |
| 29 | Charles E Read | 24 | Head | Minister | Maryland |
| 30 | Jane H Read | 20 | Wife | — | Connecticut |
| 31 | Arthur H Mitchell | 47 | Head | Farm Tenant | Virginia |
| 32 | Carrie B Mitchell | 32 | Wife | — | Virginia |
| 33 | Hazel Mitchell | 16 | Daughter | — | Virginia |
| 34 | Gale S Mitchell | 14 | Son | — | West Virginia |
| 35 | Harvey W Mitchell | 10 | Son | — | Virginia |
| 36 | Billy D Mitchell | 8 | Son | — | West Virginia |
| 37 | Loretta S Mitchell | 5 | Daughter | — | Maryland |
| 38 | Preston W Barrow | 68 | Head | Farm Owner | Maryland |
| 39 | Annie R Barrow | 67 | Wife | — | Maryland |
| 40 | William W Forwood | 67 | Head | Store Keeper | Maryland |
Pedigree Summary
Frank
Gen 1 · 1 parents
~0.92
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)