Mary Cook — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Baltimore, Maryland

Our Model Tree links this Mary Cook across the 1900, 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1851), then head of a 4-person household.

Age 69 b. ~1851 Female Head Born: Maryland Widowed

1920 Census Record Details

Census Year	1920
Location	Baltimore, Maryland
Surname	Cook
Given Name	Mary J
Relationship to Head	Head
Sex	F
Color / Race	White
Age	69
Marital Status	Widowed
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland
Township / Ward	Baltimore
Est. Birth Year	~1851

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 1920 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Phoebe Cook	Daughter	—	44	~1876
Elizabeth Cook	Daughter	—	46	~1874
Mary Cook	Head	—	69	~1851
Henry Cook	Son	—	39	~1881

Census Appearances

1900

Baltimore, Maryland

Head, age 50

Baltimore, Maryland · implied b. ~1850 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	50
Marital Status	Widowed
Birthplace	Maryland
Birth Month	May
Birth Year	1850
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Occupation	N. G.
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1910

None, Maryland

Head, age 61

None, Maryland · implied b. ~1849 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	61
Marital Status	Widowed
Birthplace	Maryland
Children Born	4
Children Living	2
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Occupation	none
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

1920

Baltimore, Maryland

Head, age 69

Baltimore, Maryland · implied b. ~1851 — 4 household members

Surname	Cook
Given Name	Mary J
Relationship to Head	Head
Sex	F
Color / Race	White
Age	69
Marital Status	Widowed
Birthplace	Maryland
Father's Birthplace	Maryland
Mother's Birthplace	Maryland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Maryland
Birth Country	United States
Birthplace (normalized)	maryland

Model Tree

Linked across censuses

Our Model Tree links Mary Cook across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Cook

Head · 1920 · age 69 · b. ~1851 · Maryland

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

Original Census Page

1920 US Federal Census — Baltimore, Maryland Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu661unit:1027)

Line	Name	Age	Relation	Occupation	Birthplace
51	Mary Dabs	13	Servant	Servant	Virginia
52	Katherine Hinelock	73	Head	—	Maryland
53	Cora W Hinelock	49	Sister	—	Maryland
54	Charles H Hinelock	21	Nephew	Clerk	Maryland
55	Ora F Hinelock	36	Lodger	Secretary	Pennsylvania
56	Eleanor Sanders	49	Head	—	Maryland
57	Sophia Sanders	38	Sister	Secretary	Maryland
58	Frank Quigley	32	Head	Garage Man	Virginia
59	Ellen Quigley	25	Wife	—	Virginia
60	Percy Little	36	Head	Manager	Maryland
61	Caroline Little	32	Wife	—	Maryland
62	Helen M Belt	18	Sister-in-law	Typist	Maryland
63	Mary J Cook THIS PERSON	69	Head	—	Maryland
64	Elizabeth Cook	46	Daughter	—	Maryland
65	Phoebe D Cook	44	Daughter	—	Maryland
66	Henry E Cook	39	Son	Laborer	Maryland
67	Virginia Bolton	87	Head	—	Maryland
68	Mary Bolton	49	Niece	—	Maryland
69	Katherine Simmons	65	Niece	—	Maryland
70	Helen B.D. Simmons	58	Niece	—	Maryland
71	Alice D Brewster	67	Niece	Nurse	New York
72	Annie F Bowers	18	Servant	Servant	Maryland
73	Martha Hall	50	Cook	Cook	Maryland
74	Walter Hughson	28	Head	Physician	New Jersey
75	Mildred Hughson	30	Wife	—	New Jersey
76	Leticia A Hughson	17	Daughter	—	Maryland
77	James M Adams	26	Head	Clerk	Maryland
78	Aletta Adams	25	Wife	—	Virginia
79	Joseph T Gott	70	Head	—	Maryland
80	Emma W Gott	60	Wife	—	Maryland
81	Charles M Duley	48	Head	Asst. Agent	Maryland
82	Netta M Duley	47	Wife	—	Delaware
83	Roscoe Buckley	28	Head	Secretary	Missouri
84	Helen C Buckley	23	Wife	—	New York
85	Victoria H Brown	42	Head	Chauffeur	Virginia
86	Jeanette Brown	38	Wife	—	Maryland
87	Lee Moffet	31	Head	Manager	Illinois
88	Goldie Moffet	28	Wife	—	Virginia
89	Joseph Brown	37	Head	Teller	Maryland
90	Elsie Brown	35	Wife	—	Maryland
91	Francis Thompson	31	Head	Engineer	Massachusetts
92	Sophia Thompson	31	Wife	—	Maryland
93	Frank M Bird	33	Head	Salesman	Indiana
94	Elsie Bird	29	Wife	—	Indiana
95	Virginia E Bird	1	Daughter	—	Maryland
96	John Hazelton	62	Head	Station Agent	Ohio
97	Cassie Hazelton	54	Wife	—	Indiana
98	Cora Hazelton	59	Sister	—	Ohio
99	John P Horsey	59	Head	Lawyer	Pennsylvania
100	Eleanor R Horsey	51	Wife	—	Maryland

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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)

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