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William Finley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this William Finley across the 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 6-person household.
Age 19
b. ~1921
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Finley |
| Given Name | William R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Riderwood |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Electrician |
| Industry | Electrical Contractor |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 36 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Electrician |
| Township / Ward | Riderwood |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Finley | Daughter | — | 17 | ~1923 |
| Louise Finley | Spouse | — | 42 | ~1898 |
| William Finley | Head | — | 47 | ~1893 |
| Albert Finley | Son | — | 5 | ~1935 |
| William Finley | Son | — | 19 | ~1921 |
| Betty Finley | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Baltimore, Maryland
Son, age 9
Baltimore, Maryland · implied b. ~1921 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Finley |
| Given Name | William R Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Son, age 19
Baltimore-County, Maryland · implied b. ~1921 — 6 household members
| Surname | Finley |
| Given Name | William R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Riderwood |
| 1935 Residence (County) | Baltimore |
| Occupation | Electrician |
| Industry | Electrical Contractor |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 36 |
| Highest Grade | H-4 |
| 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 Finley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Finley
Son · 1940 · age 19 · b. ~1921 · Maryland
★ You are viewing this record
Sibling
Albert Finley
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Finley
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Finley
Sibling · 1940 · age 11
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 — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01505-00394)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen J. Schmidt | 39 | Wife | — | Maryland |
| 2 | H. Ruth Schmidt | 19 | Daughter | Student Nurse | Maryland |
| 3 | Luella Schmidt | 15 | Daughter | — | Maryland |
| 4 | Joanne Schmidt | 12 | Daughter | — | Maryland |
| 5 | Richard Schmidt | 10 | Son | — | Maryland |
| 6 | Nancy Schmidt | 9 | Daughter | — | Maryland |
| 7 | Duncan Schmidt | 5 | Son | — | Maryland |
| 8 | Gassaway B. Brown | 45 | Head | Handy Man | Delaware |
| 9 | Charles E. Fishpaw | 48 | Head | Plumber | Maryland |
| 10 | Minna X. Fishpaw | 38 | Wife | — | Germany |
| 11 | Herbert L. Fishpaw | 8 | Son | — | Maryland |
| 12 | Fulwar Jarrett | 75 | Father | — | Maryland |
| 13 | Martha E. Jarrett | 79 | Mother | — | Maryland |
| 14 | William F. Finley | 47 | Head | Salesman | Virginia |
| 15 | Louise M. Finley | 42 | Wife | — | Maryland |
| 16 | William R. Jr. Finley THIS PERSON | 19 | Son | Electrician | Maryland |
| 17 | Mary V. Finley | 17 | Daughter | — | Maryland |
| 18 | Betty Lou Finley | 11 | Daughter | — | Maryland |
| 19 | Albert E. Finley | 5 | Son | — | Maryland |
| 20 | Frederick Truel | 55 | Head | Turntable Operator | Maryland |
| 21 | Nettie M. Truel | 46 | Wife | — | Maryland |
| 22 | Perry O. Truel | 16 | Son | — | Maryland |
| 23 | David Truel | 8 | Son | — | Maryland |
| 24 | Leonard P. Gardner | 42 | Head | Automobile Mechanic | Arkansas |
| 25 | Mildred S. Gardner | 30 | Wife | — | W. Virginia |
| 26 | Harry O. Lentz | 45 | Head | Farm Manager | Pennsylvania |
| 27 | Virgie M. Lentz | 43 | Wife | — | Maryland |
| 28 | Francis B. Lentz | 21 | Son | Laborer | Maryland |
| 29 | L. Marie Lentz | 19 | Daughter | Housemaid | Maryland |
| 30 | Margaret V. Lentz | 15 | Daughter | — | Maryland |
| 31 | Shirley V. Lentz | 12 | Daughter | — | Maryland |
| 32 | Philip R. Lentz | 9 | Son | — | Maryland |
| 33 | Carmen I. Lentz | 6 | Daughter | — | Maryland |
| 34 | Extra Line | None | — | — | — |
| 35 | Samuel F. Coale | 61 | Head | Contractor | Maryland |
| 36 | Mollie Coale | 54 | Wife | — | Maryland |
| 37 | Julia Hook | 72 | Mother-in-law | — | Maryland |
| 38 | J. George Fishpaw | 53 | Head | Butcher | Maryland |
| 39 | Rosa E. Fishpaw | 65 | Wife | — | Maryland |
| 40 | Charles H. Lee | 70 | Head | Truck Driver | Maryland |
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)