MG
Mary Griffin — 1920 US Census Record
Model Tree available1920 United States Federal Census · Salt Lake, Utah
Our Model Tree links this Mary Griffin across the 1920, 1930 and 1940 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed), with identified parents T & P — first a daughter (b.~1919), then head of a 5-person household.
Age 1
b. ~1919
Female
Daughter
Born: Utah
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Salt Lake, Utah |
| Surname | Griffin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Nevada |
| Mother's Birthplace | Utah |
| Additional Details | |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Griffin | Daughter | — | 13 | ~1907 |
| Mary Griffin | Daughter | — | 1 | ~1919 |
| Walter Griffin | Head | — | 42 | ~1878 |
| Walter Griffin | Son | — | 10 | ~1910 |
| Edith Griffin | Spouse | — | 36 | ~1884 |
Census Appearances
1920
Salt Lake, …
Daughter, age 1
Salt Lake, Utah · implied b. ~1919 — 5 household members
| Surname | Griffin |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Nevada |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 12
Salt Lake, Utah · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Margery |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Daughter, age 22
Salt-Lake-County, Utah · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Margery F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Occupation | Owner |
| Industry | Beauty Shop |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Mary Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father T Griffin (~0.92 confidence) and father P Griffin (~0.92 confidence) and father Walter Griffin (~0.92 confidence) and mother Annie Griffin (~0.92 confidence) and mother Edith Griffin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
T Griffin
b. ~1874
Source father
● Household
· direct · ~0.92
Father
P Griffin
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Walter Griffin
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Annie Griffin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Edith Griffin
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Griffin
Daughter · 1920 · age 1 · b. ~1919 · Utah
★ You are viewing this record
Sibling
Walter Griffin
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Griffin
Sibling · 1920 · age 13
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
1920 US Federal Census — Salt Lake, Utah
Open full size
1920 US Federal Census — Salt Lake, Utah
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1867unit:0487)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Griffin | 42 | Head | Chimney Sweep | Nevada |
| 2 | Edith Griffin | 36 | Wife | — | Utah |
| 3 | Dorothy Griffin | 13 | Daughter | — | Utah |
| 4 | Walter Griffin | 10 | Son | — | Utah |
| 5 | Mary Griffin THIS PERSON | 1 | Daughter | — | Utah |
| 6 | John Edwards | 50 | Head | Barber | Pennsylvania |
| 7 | Margaret Edwards | 44 | Wife | — | Utah |
| 8 | Leland Edwards | 14 | Son | — | Utah |
| 9 | Nels Jackson | 57 | Head | Tailor | Denmark |
| 10 | Julia Jackson | 52 | Wife | — | Denmark |
| 11 | Nels Jr Jackson | 29 | Son | Shoe Maker | Utah |
| 12 | Joseph Jackson | 22 | Son | Motorman | Utah |
| 13 | Julia Jackson | 20 | Daughter | Packer | Utah |
| 14 | Samuel E. Inter | 49 | Head | Carpenter | Illinois |
| 15 | Annie Inter | 49 | Wife | — | Utah |
| 16 | A. Maude Inter | 24 | Daughter | — | Utah |
| 17 | Samuel E. Jr Inter | 19 | Son | Apprentice | Utah |
| 18 | Nellie Inter | 14 | Daughter | — | Utah |
| 19 | Douglas B. Hanson | 23 | Lodger | Form-Setter | Colorado |
| 20 | Frank Opiel | 46 | Head | Butcher | New Jersey |
| 21 | Sarah Opiel | 44 | Wife | — | Missouri |
| 22 | Eulah Opiel | 19 | Daughter | Clerk | Colorado |
| 23 | Lester Opiel | 16 | Son | — | Colorado |
| 24 | Louis Abraham | 67 | Father-in-law | — | Missouri |
| 25 | Lydia Long | 52 | Head | — | Iowa |
| 26 | Le Geline Long | 14 | Daughter | — | Colorado |
| 27 | John Dr Paschek | 35 | Head | Dentist | Missouri |
| 28 | Mabel Paschek | 31 | Wife | — | Indiana |
| 29 | Marianne Paschek | 10 | Daughter | — | Utah |
| 30 | Margaret Paschek | 2 | Daughter | — | Utah |
| 31 | Brigham Dryden | 48 | Head | Mgr. | Utah |
| 32 | Esther A. Dryden | 46 | Wife | — | Utah |
| 33 | Lila Dryden | 22 | Daughter | File Clerk | Utah |
| 34 | Florence J. Dryden | 16 | Daughter | — | Utah |
| 35 | David A. West | 33 | Lodger | Engineer | Utah |
| 36 | Victor Bush | 23 | Lodger | Clerk | Utah |
| 37 | Joseph E. Stenbuck | 41 | Head | Motorman | Germany |
| 38 | Caren Stenbuck | 38 | Wife | — | Norway |
| 39 | Louise Stenbuck | 16 | Daughter | — | Utah |
| 40 | Ernest J. Tullidge | 50 | Head | Decorator | Utah |
| 41 | Kate Tullidge | 50 | Wife | — | Utah |
| 42 | Gladys Tullidge | 20 | Daughter | Clerk | Utah |
| 43 | Shield Nielsen | 3 | Grandson | — | Utah |
| 44 | Hugh Roberts | 38 | Head | Salesman | Idaho |
| 45 | Ellie Roberts | 33 | Wife | — | Utah |
| 46 | Nellie Roberts | 4 | Daughter | — | Utah |
| 47 | Robert Roberts | 1 | Son | — | Utah |
| 48 | Earl Johnson | 25 | Head | Red Cap | Indiana |
| 49 | Katrina Johnson | 20 | Wife | — | Illinois |
| 50 | Max A. Stenbuck | 62 | Head | Salesman | Germany |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)