Mary Parker — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Baltimore-City-County, Maryland

Our Model Tree links this Mary Parker across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 5-person household.

Age 46 b. ~1894 Female Head Born: Virginia Married

1940 Census Record Details

Census Year	1940
Location	Baltimore-City-County, Maryland
Surname	Parker
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	46
Marital Status	Married
Birthplace	Virginia
1935 Residence (City)	Baltimore City
1935 Residence (County)	Baltimore City
Additional Details
Occupation	Maid
Industry	Private family
Class of Worker	PW
Hours Worked	45
Income (1939)	780
Highest Grade	No 8
1935 Residence	Same place
Birth State	Virginia
Birth Country	United States
Birthplace (normalized)	virginia
Occupation	Maid
Township / Ward	Baltimore City
Est. Birth Year	~1894

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 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Parker	Head	—	46	~1894
Arthur Parker	Son	—	12	~1928
James Parker	Son	—	16	~1924
Thomas Parker	Son	—	15	~1925
Albert Parker	Son	—	13	~1927

Census Appearances

1920

X, Maryland

Head, age 28

X, Maryland · implied b. ~1892 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Parker
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	28
Marital Status	Married
Birthplace	Virginia
Father's Birthplace	Virginia
Mother's Birthplace	Virginia
Occupation	Laundress
Industry	At Home
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Virginia
Birth Country	United States
Birthplace (normalized)	virginia

1930

Baltimore, Maryland

Head, age 39

Baltimore, Maryland · implied b. ~1891 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Parker
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	39
Marital Status	Married
Birthplace	Virginia
Age at First Marriage	22
Father's Birthplace	Virginia
Mother's Birthplace	Virginia
Occupation	Cook
Industry	Private Family
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	16
Birth State	Virginia
Birth Country	United States
Birthplace (normalized)	virginia

1940

Baltimore-City-County, Maryland

Head, age 46

Baltimore-City-County, Maryland · implied b. ~1894 — 5 household members

Surname	Parker
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	Black
Age	46
Marital Status	Married
Birthplace	Virginia
1935 Residence (City)	Baltimore City
1935 Residence (County)	Baltimore City
Occupation	Maid
Industry	Private family
Class of Worker	PW
Hours Worked	45
Income (1939)	780
Highest Grade	No 8
1935 Residence	Same place
Birth State	Virginia
Birth Country	United States
Birthplace (normalized)	virginia

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Parker

Head · 1940 · age 46 · b. ~1894 · Maryland

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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 — Baltimore-City-County, Maryland Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01523-00473)

Line	Name	Age	Relation	Occupation	Birthplace
1	Harvey Cooper	49	Head	Porter	Maryland
2	Mary Cooper	30	Wife	Maid	North Carolina
3	Fred Patterson	60	Lodger	Moving Man	Maryland
4	George Jolly	37	Head	Laborer	Maryland
5	Ada Jolly	41	Wife	Maid	Maryland
6	Henrietta Cornish	44	Sister	Maid	Maryland
7	Muriel Jolly	8	Daughter	—	Maryland
8	George Jr. Jolly	6	Son	—	Maryland
9	Hofman Berman	40	Head	Laborer	Virginia
10	Sarah Dixon	37	Lodger	Maid	Virginia
11	Susie Fisher	70	Lodger	—	Virginia
12	Catherine Brightwell	73	Head	Maid	Pennsylvania
13	Amanda Young	22	Daughter	Maid	Pennsylvania
14	Arthur Duffing	40	Head	Laborer	Maryland
15	Mary Duffing	45	Wife	Laborer	Maryland
16	Charles Banks	35	Lodger	Laborer	Maryland
17	John Hawkins	40	Head	Laborer	Maryland
18	Ruby Hawkins	48	Wife	Beautician	Virginia
19	Evelyn Hawkins	16	Daughter	—	Maryland
20	Fountain Thomas	30	Lodger	Laborer	Virginia
21	Mary Parker THIS PERSON	46	Head	Maid	Virginia
22	James Parker	16	Son	—	Virginia
23	Thomas Parker	15	Son	Huckster	Virginia
24	Albert Parker	13	Son	—	Virginia
25	Arthur Parker	12	Son	—	Virginia
26	Rebecca Jones	50	Head	—	Maryland
27	Clarence Jones	12	Son	—	Maryland
28	Bernard Jones	14	Son	—	Maryland
29	Elizabeth Glenn	30	Head	—	Maryland
30	Francis Glenn	9	Son	—	Maryland
31	Gloria Glenn	7	Daughter	—	Maryland
32	Paul Glenn	5	Son	—	Maryland
33	Charles Glenn	3	Son	—	Maryland
34	Jesse Massenburg	31	Head	Porter	North Carolina
35	Mary Massenburg	24	Wife	—	Maryland
36	Delores Massenburg	2	Daughter	—	Maryland
37	Mary White	37	Lodger	Maid	Maryland
38	Helen Gardner	23	Sister	Maid	Maryland
39	Minerva Gardner	3	Daughter	—	Maryland
40	Dora Banks	31	Head	Maid	Virginia

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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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