Mary Hennessey — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Oklahoma-County, Oklahoma

Our Model Tree links this Mary Hennessey across the 1920, 1930 and 1940 US Censuses in Oklahoma-County, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 2-person household.

Age 80 b. ~1860 Female Head Born: Illinois Widowed

1940 Census Record Details

Census Year	1940
Location	Oklahoma-County, Oklahoma
Surname	Hennessey
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	Illinois
1935 Residence (City)	Luther town
1935 Residence (County)	Oklahoma
Additional Details
Highest Grade	No 3
1935 Residence	Same House
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Township / Ward	Luther Town
Est. Birth Year	~1860

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.

2 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Hennessey	Head	—	80	~1860
Marie Cole	Daughter	—	25	~1915

Census Appearances

1920

Oklahoma, Oklahoma

Head, age 61

Oklahoma, Oklahoma · implied b. ~1859 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hennessy
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	61
Marital Status	Widowed
Birthplace	Illinois
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	F
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Oklahoma, Oklahoma

Other, age 71

Oklahoma, Oklahoma · implied b. ~1859 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hennessy
Given Name	Mary
Relationship to Head	Head-H
Sex	F
Color / Race	White
Age	71
Marital Status	Widowed
Birthplace	Illinois
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	1000
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Oklahoma-County, Oklahoma

Head, age 80

Oklahoma-County, Oklahoma · implied b. ~1860 — 2 household members

Surname	Hennessey
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	Illinois
1935 Residence (City)	Luther town
1935 Residence (County)	Oklahoma
Highest Grade	No 3
1935 Residence	Same House
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Linked across censuses

Our Model Tree links Mary Hennessey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Hennessey

Head · 1940 · age 80 · b. ~1860 · 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 — Oklahoma-County, Oklahoma Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03317-00927)

Line	Name	Age	Relation	Occupation	Birthplace
1	Alice Curry	60	Head	Seamstress	Indiana
2	Jim Sasser	67	Head	Farm Laborer	Kentucky
3	Joan Sasser	64	Wife	—	Tennessee
4	Richard Smith	28	Head	Laborer	Oklahoma
5	Marguerite Smith	28	Wife	Operator	Oklahoma
6	Mary Lou Smith	6	Daughter	—	Oklahoma
7	Jackie Smith	5	Son	—	Oklahoma
8	Justin Briscoe	68	Head	—	Kansas
9	Nettie Briscoe	63	Wife	—	Ohio
10	Jesse Evans	33	Head	School Teacher	Oklahoma
11	Clarabelle Evans	28	Wife	School Teacher	Oklahoma
12	Sabine Evans	4	Daughter	—	Oklahoma
13	Roscoe Lovell	49	Head	Manager	Kansas
14	Cecile M. Lovell	43	Wife	—	Oklahoma
15	Lucille Lovell	20	Daughter	Assistant Cashier	Oklahoma
16	Louise Lovell	14	Daughter	—	Oklahoma
17	Charles Hunington	74	Head	—	Indiana
18	Louisa Hunington	67	Wife	—	Indiana
19	H. K. Norman	52	Head	Shipping Clerk	Missouri
20	Lara M. Norman	50	Wife	Local Editor	Missouri
21	Mariann Norman	14	Daughter	—	Oklahoma
22	Jewell W. Abbott	35	Head	Barber	Oklahoma
23	Vera Abbott	31	Wife	—	Oklahoma
24	Nadine Abbott	4	Daughter	—	Oklahoma
25	Charles Ardliska	56	Head	Rural Mail Carrier	Nebraska
26	Lucy Ardliska	47	Wife	—	Missouri
27	Peggy Ardliska	11	Daughter	—	Oklahoma
28	Jeff Pigg	25	Head	Laborer	Missouri
29	Ellie Pigg	25	Wife	—	Oklahoma
30	Agnes Dean Pigg	6	Daughter	—	Oklahoma
31	Grover Vorel	50	Head	Manager	Kansas
32	Georgia Vorel	45	Wife	—	Missouri
33	Loman Adelaide Vorel	18	Daughter	—	Oklahoma
34	James Vorel	26	Son-in-law	Service Station Attendant	Oklahoma
35	John P. Phillips	76	Head	—	Missouri
36	Zora Phillips	78	Wife	—	Iowa
37	Mary Hennessey THIS PERSON	80	Head	—	Illinois
38	Marie Cole	25	Daughter	Telephone Operator	Oklahoma
39	Marion Wagoner	64	Head	Manager	Iowa
40	Lula Wagoner	60	Wife	—	Illinois

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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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