Mary Gray — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Osage-County, Oklahoma

Our Model Tree links this Mary Gray across the 1920, 1930 and 1940 US Censuses in Osage-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Earl & Grace — first a daughter (b.~1917), then head of a 4-person household.

Age 23 b. ~1917 Female Daughter Born: Oklahoma Single

1940 Census Record Details

Census Year	1940
Location	Osage-County, Oklahoma
Surname	Gray
Given Name	Mary Gertrude
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	23
Marital Status	Single
Birthplace	Oklahoma
1935 Residence (City)	Fairfax Town
1935 Residence (County)	Osage
Additional Details
Highest Grade	C-5
1935 Residence	Same place
Birth State	Oklahoma
Birth Country	United States
Birthplace (normalized)	oklahoma
Township / Ward	Fairfax Town
Est. Birth Year	~1917

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
Mary Gray	Daughter	—	23	~1917
Earl Gray	Head	—	51	~1889
Carrie Fly	Other	—	69	~1871
Grace Gray	Spouse	—	50	~1890

Census Appearances

1920

Osage, Oklahoma

Daughter, age 2

Osage, Oklahoma · implied b. ~1918 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gray
Given Name	Mary G.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	2
Marital Status	Single
Birthplace	Oklahoma
Father's Birthplace	Texas
Mother's Birthplace	Missouri
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Oklahoma
Birth Country	United States
Birthplace (normalized)	oklahoma

1930

Osage, Oklahoma

Daughter, age 13

Osage, Oklahoma · implied b. ~1917 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Gray
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	13
Marital Status	Single
Birthplace	Oklahoma
Father's Birthplace	Texas
Mother's Birthplace	Missouri
Occupation	none
Can Read/Write	Yes
Birth State	Oklahoma
Birth Country	United States
Birthplace (normalized)	oklahoma

1940

Osage-County, Oklahoma

Daughter, age 23

Osage-County, Oklahoma · implied b. ~1917 — 4 household members

Surname	Gray
Given Name	Mary Gertrude
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	23
Marital Status	Single
Birthplace	Oklahoma
1935 Residence (City)	Fairfax Town
1935 Residence (County)	Osage
Highest Grade	C-5
1935 Residence	Same place
Birth State	Oklahoma
Birth Country	United States
Birthplace (normalized)	oklahoma

Model Tree

Model Tree available

Our Model Tree links Mary Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Gray (~0.92 confidence) and mother Grace Gray (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Earl Gray

b. ~1889

Source father

● Household · direct · ~0.92

Mother

Grace Gray

b. ~1890

Source mother

● Household · direct · ~0.92

This person

Anchor record

Mary Gray

Daughter · 1940 · age 23 · b. ~1917 · Oklahoma

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Osage-County, Oklahoma Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-03320-00409)

Line	Name	Age	Relation	Occupation	Birthplace
1	Wayne Sumpter	28	Head	—	Missouri
2	Dorothy Sumpter	28	Wife	—	Oklahoma
3	Arthur Riley	39	Head	Office Man	Arkansas
4	Lilly Riley	36	Wife	Barber	Arkansas
5	Thelma Buckley	39	Head	—	New York
6	Flora Buckley	16	Adopted daughter	Instructor	New York
7	Clara Nash	53	Head	—	Oklahoma
8	Joseph Pease	30	Son	Dredge	Oklahoma
9	Nellie Walker	54	Servant	House Maid	Missouri
10	Earl Gray	51	Head	County Commissioner	Texas
11	Grace Gray	50	Wife	—	Missouri
12	Mary Gertrude Gray THIS PERSON	23	Daughter	—	Oklahoma
13	Carrie Fly	69	Mother-in-law	—	Ohio
14	Emmet Foley	39	Head	Atty At Law	Oklahoma
15	Ione Foley	36	Wife	Boarder	Missouri
16	Daniel Foley	8	Son	—	Oklahoma
17	Robert Foley	2	Son	—	Oklahoma
18	Ida May Queen	22	Servant	Housekeeper	Oklahoma
19	Irene Rowe	26	Boarder	—	Oklahoma
20	Clark B. Bramlett	49	Head	Oil Pumper	Arkansas
21	Lucinda Bramlett	43	Wife	—	Alabama
22	Imogene Bramlett	20	Daughter	—	Texas
23	Billie Bramlett	17	Son	—	Oklahoma
24	Jo Ann Bramlett	12	Daughter	—	Oklahoma
25	Mary E. Moses	47	Head	Craft	Oklahoma
26	Henry Moses	35	Husband	—	Oklahoma
27	Stella Moses	39	Sister	—	Oklahoma
28	Charles Moses	16	Daughter	—	Oklahoma
29	Roscoe Conklin	75	Father	—	Oklahoma
30	George Morham	40	Head	Welder	Iowa
31	Marita Morham	37	Wife	—	Kansas
32	Virgil Morham	17	Daughter	—	Oklahoma
33	Phyllis Morham	16	Son	—	Oklahoma
34	Norma Jean Morham	13	Daughter	—	Oklahoma
35	Jake Moses	32	Head	C.C.C.	Oklahoma
36	Elsie Moses	22	Wife	—	Oklahoma
37	Frank Moses	26	Brother	—	Oklahoma
38	Irene Moses	18	Wife	—	Oklahoma

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Pedigree Summary

Mary

Gen 1 · 2 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)

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