MR
Mary Ray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Mary Ray across the 1910, 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed), with identified parents William & Maria — first a spouse (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Female
Spouse
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | Ray |
| Given Name | Mary Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1908 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Ray | Daughter | — | 8 | ~1932 |
| Byron Ray | Head | — | 32 | ~1908 |
| Byron Ray | Son | — | 4 | ~1936 |
| Mary Ray | Spouse | — | 32 | ~1908 |
Census Appearances
1910
Salt Lake, …
Daughter, age 2
Salt Lake, Utah · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ray |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | New York |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1920
Salt Lake, …
Daughter, age 12
Salt Lake, Utah · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ray |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 22
Salt Lake, Utah · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ray |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Spouse, age 32
Salt-Lake-County, Utah · implied b. ~1908 — 4 household members
| Surname | Ray |
| Given Name | Mary Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| 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 Ray across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Ray (~0.81 confidence) and mother Maria Ray (~0.81 confidence) and father William Ray (~0.92 confidence) and father Lucian Ray (~0.92 confidence) and father Lucaff Ray (~0.92 confidence) and mother Margaret Ray (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
William Ray
b. ~1848
Source father>father
● Household
· direct · ~0.81
Mother
Maria Ray
b. ~1859
Source father>mother
● Household
· direct · ~0.81
Father
William Ray
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Lucian Ray
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Lucaff Ray
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Margaret Ray
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Ray
Spouse · 1940 · age 32 · b. ~1908 · Utah
★ 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 — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04226-00652)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jesse W. Findlay | 53 | Head | Order Filler | Utah |
| 2 | Aquilla S. Findlay | 28 | Wife | Monument Craftman | Utah |
| 3 | James H. Brown | 55 | Head | Monument Craftman | Utah |
| 4 | Laura W. Brown | 56 | Wife | — | Utah |
| 5 | Maude Brown | 18 | Daughter | Maid | Utah |
| 6 | David Egan | 55 | Head | Dairy Supervisor | Utah |
| 7 | Elizabeth Egan | 52 | Wife | — | Wyoming |
| 8 | Mary Jane Egan | 16 | Daughter | — | Utah |
| 9 | Elaine Egan | 13 | Daughter | — | Utah |
| 10 | George Richard Egan | 11 | Son | — | Utah |
| 11 | Harold M. Young | 42 | Head | Insurance Investigator | Minnesota |
| 12 | Thelma Young | 31 | Wife | — | Montana |
| 13 | Michael Young | 1 | Son | — | Montana |
| 14 | Francis H. Green | 30 | Head | Collector | Utah |
| 15 | Ruth W. Green | 30 | Wife | — | Utah |
| 16 | Sherry Ann Green | 2 | Daughter | — | Utah |
| 17 | Loria Smyth | 29 | Head | Teacher | Alaska |
| 18 | Margaret Smyth | 30 | Wife | Trained Nurse | Kansas |
| 19 | Julia Williamson | 59 | Head | Librarian (Branch) | England |
| 20 | J. Golden Williamson | 21 | Son | — | Utah |
| 21 | Byron A. Ray | 32 | Head | Production Department | Utah |
| 22 | Mary Ellen Ray THIS PERSON | 32 | Wife | — | Utah |
| 23 | Ruth V. Ray | 8 | Daughter | — | Utah |
| 24 | Byron N. Ray | 4 | Son | — | Utah |
| 25 | Theodore Nystrom | 68 | Head | Insurance Salesman | Utah |
| 26 | Mae T. Nystrom | 68 | Wife | — | Utah |
| 27 | Jeanne Nystrom | 19 | Daughter | — | Utah |
| 28 | Elmina Mcarthur | 63 | Lodger | Stenographer | Utah |
| 29 | Rudolph Heiniger | 70 | Head | Dish Washer | Switzerland |
| 30 | Liline Heiniger | 60 | Wife | — | Switzerland |
| 31 | Fred Heiniger | 20 | Son | Pantry Man | Switzerland |
| 32 | Arthur H. Neilson | 25 | Head | Surveyor | Utah |
| 33 | Vera P. Neilson | 22 | Wife | — | Utah |
| 34 | Carl Baker | 44 | Head | Manager | Utah |
| 35 | Loretta Baker | 44 | Wife | Ironer | Idaho |
| 36 | Loretta Baker | 16 | Daughter | — | Utah |
| 37 | Carlyn Baker | 14 | Son | — | Utah |
| 38 | Evan S. Richard | 56 | Head | Dentist | Utah |
| 39 | Lillian Richard | 50 | Wife | Instructor Trained Nurse | Utah |
| 40 | Charles S. Richard | 23 | Son | — | Utah |
Pedigree Summary
Mary
Gen 1 · 4 parents
~0.92
Gen 2 · 2 grandparents
~0.81
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)