Mildred Cook — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Bronx-County, New York

Our Model Tree links this Mildred Cook across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed), with identified parents George & Anna — first a daughter (b.~1915), then head of a 3-person household.

Age 25 b. ~1915 Female Daughter Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Bronx-County, New York
Surname	Cook
Given Name	Mildred
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	25
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
Additional Details
Hours Worked	0
Highest Grade	H 3
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	New York City
Est. Birth Year	~1915

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.

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

Name	Relation to head	Relative to Mildred	Age	Birth yr
Edward Cook	Head	—	28	~1912
Mildred Cook	Daughter	—	25	~1915
Elissa Cook	Daughter	—	1	~1939

Census Appearances

1920

Bronx, New …

Daughter, age 3

Bronx, New York · implied b. ~1917 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Mildred U
Relationship to Head	daughter
Sex	F
Color / Race	White
Age	3
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Bronx, New …

Daughter, age 14

Bronx, New York · implied b. ~1916 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Mildred
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	14
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Bronx-County, New …

Daughter, age 25

Bronx-County, New York · implied b. ~1915 — 3 household members

Surname	Cook
Given Name	Mildred
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	25
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
Hours Worked	0
Highest Grade	H 3
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Model Tree available

Our Model Tree links Mildred Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Cook (~0.92 confidence) and mother Anna Cook (~0.55 confidence) and father Edward Cook (~0.60 confidence). The pedigree spans 2 generations with 3 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.69

Father

George Cook

b. ~1888

Source father

● Household · direct · ~0.92

Mother

Anna Cook

b. ~1889

Source father>mother

● Household · direct · ~0.55

Father

Edward Cook

b. ~1912

Source father

● Household · direct · ~0.6

This person

Anchor record

Mildred Cook

Daughter · 1940 · age 25 · b. ~1915 · New York

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Sibling

Elissa Cook

Sibling · 1940 · age 1

Source co-child of head (derived)

● Co-child · derived · ~0.88

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

Original Census Page

1940 US Federal Census — Bronx-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02463-00648)

Line	Name	Age	Relation	Occupation	Birthplace
1	Frederic Siegel	5	Son	—	New York
2	Leon Milstein	48	Head	Foreman	Russ. Poland
3	Jeanette Milstein	46	Wife	—	New York
4	Ruth Milstein	22	Daughter	Factory Worker	New York
5	Lucia Milstein	12	Daughter	—	New York
6	William Kelsky	67	Father in law	Attendant	Russ. Poland
7	Goldie Fitelman	68	Head	—	Russia
8	Lena Mosen	56	Lodger	Operator	Poland
9	Nathan Newman	29	Head	Salesman	New York
10	Naomi Newman	29	Wife	—	Canada
11	Frieda Newman	62	Mother	—	Austria
12	Tillie Cohen	25	Sister in law	Bookkeeper	Canada
13	Harry L. Lazarus	39	Head	Salesman	Canada
14	Esther Lazarus	35	Wife	—	Poland
15	Anna Lazarus	16	Daughter	—	Canada
16	Burton Lazarus	9	Son	—	New York
17	Stuart Lazarus	2	Son	—	New York
18	Louis Martini	51	Head	Tailor	Hungary
19	Frances Martini	51	Wife	—	Hungary
20	Edward Cook	28	Head	Cutter	New York
21	Mildred Cook THIS PERSON	25	Daughter	—	New York
22	Elissa Cook	1	Daughter	—	New York
23	Hyman Gleit	66	Head	—	Austria
24	Raymond Gleit	31	Son	Butcher	Austria
25	Sam Gleit	29	Son	Grocer	Austria
26	Irving Gleit	27	Son	Grocer	Austria
27	Jake Ehrman	52	Head	Operator	Russ. Poland
28	Rose Ehrman	48	Wife	—	Poland
29	Benjamin Landesman	23	Head	Shipping Clerk	New York
30	Sylvia Landesman	22	Wife	—	New York
31	Kele Friedman	50	Head	—	Hungary
32	Joseph R. Friedman	23	Son	Shipping Clerk	New York
33	Pauline G. Friedman	22	Daughter	Receptionist	New York
34	Rudolph Blackstein	45	Head	Chauffeur	Russia
35	Betty Blackstein	40	Wife	—	Russia
36	Lena Blackstein	71	Mother in law	—	Russia
37	Sidney Herman	39	Head	Barber	Russ. Poland
38	Yara Herman	36	Wife	—	Russ. Poland
39	Esther Herman	11	Daughter	—	New York
40	Sophia Rude	63	Head	—	Germany

Search for Mildred Cook

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Pedigree Summary

Mildred + 1 sibling

Gen 1 · 2 parents ~0.76

Gen 2 · 1 grandparents ~0.55

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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