Shirley Davis — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Multnomah-County, Oregon

Our Model Tree links this Shirley Davis across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Frank & Vivian — first a daughter (b.~1918), then head of a 3-person household.

Age 22 b. ~1918 Female Daughter Born: Oregon Single

1940 Census Record Details

Census Year	1940
Location	Multnomah-County, Oregon
Surname	Davis
Given Name	Shirley Helen
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Oregon
1935 Residence (City)	Portland City
1935 Residence (County)	Multnomah
Additional Details
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon
Township / Ward	Portland City
Est. Birth Year	~1918

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 Shirley	Age	Birth yr
Vivian Davis	Spouse	—	30	~1910
Shirley Davis	Daughter	—	22	~1918
Frank Davis	Head	—	45	~1895

Census Appearances

1920

Multnomah, Oregon

Daughter, age 2

Multnomah, Oregon · implied b. ~1918 — 49 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davis
Given Name	Stanley
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	2
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	Oregon
Mother's Birthplace	Wisconsin
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1930

Multnomah, Oregon

Daughter, age 12

Multnomah, Oregon · implied b. ~1918 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Davis
Given Name	Shirley
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Oregon
Father's Birthplace	Oregon
Mother's Birthplace	Wisconsin
Can Read/Write	Yes
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1940

Multnomah-County, Oregon

Daughter, age 22

Multnomah-County, Oregon · implied b. ~1918 — 3 household members

Surname	Davis
Given Name	Shirley Helen
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Oregon
1935 Residence (City)	Portland City
1935 Residence (County)	Multnomah
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

Model Tree

Model Tree available

Our Model Tree links Shirley Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Davis (~0.92 confidence) and mother Vivian Davis (~0.60 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.76

Father

Frank Davis

b. ~1895

Source father

● Household · direct · ~0.92

Mother

Vivian Davis

b. ~1910

Source mother

● Household · direct · ~0.6

This person

Anchor record

Shirley Davis

Daughter · 1940 · age 22 · b. ~1918 · Oregon

★ You are viewing this record

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

Original Census Page

1940 US Federal Census — Multnomah-County, Oregon Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03393-00425)

Line	Name	Age	Relation	Occupation	Birthplace
1	Martha Lucy Boyden	0	Daughter	—	Oregon
2	Philomine Christie	41	Head	Office Clerk	Oregon
3	James John Christie	20	Son	Truck Driver	Oregon
4	Barbara Lorraine Enigmile	19	Head	Stenographer	Oregon
5	Leslie Baurie Enigmile	13	Brother	—	Oregon
6	Ida Mae Mansell	71	Boarder	Housekeeper	Illinois
7	John Head Collinsford	54	Head	Machinist	England
8	Winifred Ellen Collinsford	47	Wife	—	England
9	Richard Henry Collinsford	15	Son	—	Oregon
10	Raymond William Brown	47	Head	—	Wisconsin
11	Alta Neanie Brown	52	Wife	—	Oregon
12	Alvin Bruner	47	Head	City Fireman	Washington
13	Lois M. Bruner	37	Wife	—	Michigan
14	Virginia Kay Bruner	5	Daughter	—	Oregon
15	Justine A. Porm	19	Sister in law	—	Colorado
16	Frank H. Davis	45	Head	—	Oregon
17	Vivian Louise Davis	30	Wife	—	Oregon
18	Shirley Helen Davis THIS PERSON	22	Daughter	—	Oregon
19	James Drexel Moore	40	Head	Clerk	Nebraska
20	Bessie Jones Moore	38	Wife	—	Colorado
21	Marianne Moore	12	Daughter	—	Oregon
22	Leona Margaret Moore	9	Daughter	—	Oregon
23	William Hamilton Cook	40	Head	Maintenance	Oregon
24	Rosemary Cook	35	Wife	—	Minnesota
25	William Hamilton Jr Cook	12	Son	—	Ohio
26	Patricia Hermine Cook	5	Daughter	—	Illinois
27	Frederick Wilson	58	Head	Salesman	England
28	Mary A. Wilson	58	Wife	—	Vermont
29	Frederick Knapp Wilson	22	Son	—	Washington
30	James Henry Morgan	34	Head	Sergeant	Pennsylvania
31	Inez Marie Morgan	28	Wife	—	Oregon
32	James Henry Jr Morgan	2	Son	—	Oregon
33	Ora Jane Crowley	64	Mother in law	Waitress	Oregon
34	Joseph Th. Nickerson	37	Head	Mail Carrier	Minnesota
35	Agnes M. Nickerson	34	Wife	—	Minnesota
36	John Patrick O'Reilly	82	Head	—	England
37	Anna Mary O'Reilly	68	Wife	—	Germany
38	Alexander John Bombalski	45	Head	Laborer	Oregon
39	Dothula Pauline Bombalski	36	Wife	—	Iowa
40	Leona Mae Bombalski	10	Daughter	—	Washington

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Pedigree Summary

Shirley

Gen 1 · 2 parents ~0.76

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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