WG
William Griffith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this William Griffith across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents Emma & William — first a son (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Griffith |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8 |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Election District 8 |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Vera Griffith | Daughter | — | 22 | ~1918 |
| Edwin Griffith | Head | — | 52 | ~1888 |
| Roberta Griffith | Other | — | 49 | ~1891 |
| Margaret Griffith | Other | — | 46 | ~1894 |
| William Griffith | Son | — | 25 | ~1915 |
| Ethel Griffith | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Baltimore, Maryland
Son, age 5
Baltimore, Maryland · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 15
Baltimore, Maryland · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Son, age 25
Baltimore-County, Maryland · implied b. ~1915 — 6 household members
| Surname | Griffith |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District 8 |
| 1935 Residence (County) | Baltimore |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1000 |
| 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 Griffith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Griffith (~0.84 confidence) and father William Griffith (~0.84 confidence) and father Robert Griffith (~0.92 confidence) and mother Ethel Griffith (~0.92 confidence) and father Edwin Griffith (~0.92 confidence) and mother Myrtle Griffith (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Mother
Emma Griffith
b. ~1856
Source father>mother
● Household
· direct · ~0.84
Father
William Griffith
b. ~1857
Source father>father
● Household
· direct · ~0.84
Father
Robert Griffith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Ethel Griffith
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Edwin Griffith
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Myrtle Griffith
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Griffith
Son · 1940 · age 25 · b. ~1915 · Maryland
★ You are viewing this record
Sibling
Vera Griffith
Sibling · 1940 · age 22
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-t0627-01504-00443)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nathan Belgrave | 42 | Head | Manager | Maryland |
| 2 | Chloe Belgrave | 44 | Wife | — | Maryland |
| 3 | Chloe Belgrave | 20 | Daughter | — | Maryland |
| 4 | Nathan Belgrave | 19 | Son | — | Maryland |
| 5 | Charles Belgrave | 16 | Son | — | Maryland |
| 6 | John Belgrave | 14 | Son | — | Maryland |
| 7 | Siegfried Wineberger | 28 | Head | Farmer | Maryland |
| 8 | Rosa Wineberger | 27 | Wife | — | Maryland |
| 9 | Siegfried Wineberger | 1 | Son | — | Maryland |
| 10 | Dominick La Plante | 41 | Head | Farmer | Canada |
| 11 | Thelma La Plante | 41 | Wife | — | Maryland |
| 12 | Eugene La Plante | 1 | Son | — | Maryland |
| 13 | Albert Trayer | 39 | Head | Painter | Maryland |
| 14 | Irene Trayer | 39 | Wife | — | Maryland |
| 15 | Donald Trayer | 18 | Son | Laborer | Maryland |
| 16 | Gilbert Trayer | 15 | Son | Stable Boy | Maryland |
| 17 | Carroll Trayer | 7 | Daughter | — | Maryland |
| 18 | Garrett Trayer | 5 | Son | — | Maryland |
| 19 | Joseph White | 38 | Head | Manager | Maryland |
| 20 | Ruth White | 34 | Wife | — | Maryland |
| 21 | David White | 2 | Son | — | Maryland |
| 22 | Edwin Griffith | 52 | Head | Owner | Maryland |
| 23 | Ethel Griffith | 53 | Wife | — | Maryland |
| 24 | William Griffith THIS PERSON | 25 | Son | Laborer | Maryland |
| 25 | Vera Griffith | 22 | Daughter | — | Maryland |
| 26 | Margaret Griffith | 46 | Sister | — | Maryland |
| 27 | Roberta Griffith | 49 | Sister | — | Pennsylvania |
| 28 | Joseph Young | 56 | Head | Painter | Maryland |
| 29 | Anna Young | 49 | Wife | — | Maryland |
| 30 | Anna Young | 19 | Daughter | — | Maryland |
| 31 | Carl Hilgenberg | 35 | Head | Painter | Maryland |
| 32 | Ruth Hilgenberg | 34 | Wife | — | Maryland |
| 33 | Bettie Hilgenberg | 4 | Daughter | — | Maryland |
| 34 | George Hilgenberg | 3 | Son | — | Maryland |
| 35 | Albert Tent | 50 | Head | Owner | Maryland |
| 36 | Annie Tent | 53 | Wife | — | Maryland |
| 37 | Melvin Tent | 24 | Son | Laborer | Maryland |
| 38 | Myrtle Tent | 22 | Daughter | Laborer | Maryland |
| 39 | Marvin Tent | 21 | Son | Laborer | Maryland |
| 40 | Donald Tent | 17 | Son | — | Maryland |
Pedigree Summary
William + 1 sibling
Gen 1 · 4 parents
~0.92
Gen 2 · 2 grandparents
~0.84
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)