Mary Richardson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cumberland-County, Maine

Our Model Tree links this Mary Richardson across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 3-person household.

Age 59 b. ~1881 Female Spouse Born: Maine Married

1940 Census Record Details

Census Year	1940
Location	Cumberland-County, Maine
Surname	Richardson
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	Portland city
1935 Residence (County)	Cumberland
Additional Details
Highest Grade	No 8
1935 Residence	Same House
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine
Township / Ward	Portland City
Est. Birth Year	~1881

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 Mary	Age	Birth yr
Albion Richardson	Head	—	61	~1879
Elmer Richardson	Son	—	33	~1907
Mary Richardson	Spouse	—	59	~1881

Census Appearances

1920

Cumberland, Maine

Spouse, age 39

Cumberland, Maine · implied b. ~1881 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Richardson
Given Name	Mary A
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Maine
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1930

Cumberland, Maine

Spouse, age 50

Cumberland, Maine · implied b. ~1880 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Richardson
Given Name	Mary A
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Maine
Father's Birthplace	Maine
Mother's Birthplace	Maine
Can Read/Write	Yes
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1940

Cumberland-County, Maine

Spouse, age 59

Cumberland-County, Maine · implied b. ~1881 — 3 household members

Surname	Richardson
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	Portland city
1935 Residence (County)	Cumberland
Highest Grade	No 8
1935 Residence	Same House
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

Model Tree

Linked across censuses

Our Model Tree links Mary Richardson 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 Richardson

Spouse · 1940 · age 59 · b. ~1881 · Maine

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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 — Cumberland-County, Maine Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-01476-00991)

Line	Name	Age	Relation	Occupation	Birthplace
1	Percy E. Whitney	36	Son-in-law	Credit Investigator	Vermont
2	Arlene V. Whitney	34	Daughter	Foreman Of Office Girls	Maine
3	Wendeline P. Portham \| Wortham	11	Granddaughter	—	Maine
4	Charlie H. Scott	59	Head	Lumber Handler	Maine
5	Elizabeth F. Scott	60	Wife	Sales Clerk	Maine
6	Donald F. Carr	26	Head	Driver Salesman	Maine
7	Hortense E. Carr	24	Wife	Typist	Maine
8	Irene L. Jenkins	45	Head	Fitter And Alterer	Maine
9	Samuel E. Pease	46	Lodger	Meter Reader	Maine
10	Bert L. Moore	34	Head	Stationary Fireman	Maine
11	Lora M. Moore	28	Wife	Meat Cutter	Maine
13	Arthur E. Ek	38	Head	Manufacturing Machinist	Maine
14	Frances P. Ek	33	Wife	—	Canada English
15	Elizabeth F. Ek	8	Daughter	—	Maine
16	Richard D. Ek	7	Son	—	Maine
17	Robert A. Ek	3	Son	—	Maine
18	Malcolm L. Macdonald	30	Head	Driver Salesman	Maine
19	Katheryn G. Macdonald	28	Wife	—	Maine
20	Malcolm L. Jr. Macdonald	5	Son	—	Maine
21	Patricia J. Macdonald	3	Daughter	—	Maine
22	William W. Wing	57	Head	Stationary Fireman	Maine
23	Margaret I. Wing	57	Wife	—	Canada English
24	George R. Wing	18	Son	Grocery Clerk	Maine
25	Walter J. L. Seavey	47	Head	Foreman Of Laborers	Maine
26	Linda A. Seavey	46	Wife	—	Maine
27	Geneva O. Seavey	23	Daughter	Labeler	Maine
28	Marilyn L. Seavey	15	Daughter	—	Maine
29	Emma F. Fitts	71	Head	—	Maine
30	Harold S. Fox	44	Head	Civil Engineer	Massachusetts
31	Velma M. Fox	40	Wife	—	Vermont
32	Ellen C. Fox	5	Daughter	—	Missouri
34	Albion S. Richardson	61	Head	Carpenter	Maine
35	Mary A. Richardson THIS PERSON	59	Wife	—	Maine
36	Elmer L. Richardson	33	Son	Field Man In Charge Of Oil Property	Maine
37	Alice R. Mayberry	63	Head	Loan Service Clerk	Maine
38	Patrick D. Sullivan	42	Head	Insurance Salesman & Collector	Canada English
39	Edith J. Sullivan	44	Wife	—	England
40	Rachel Sullivan	16	Daughter	—	England

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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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