Mary Lunn — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Philadelphia, Pennsylvania

Our Model Tree links this Mary Lunn across the 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 5-person household.

Age 7 b. ~1923 Female Daughter Born: Penna Single

1930 Census Record Details

Census Year	1930
Location	Philadelphia, Pennsylvania
Surname	Lunn
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	7
Marital Status	Single
Birthplace	Penna
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Additional Details
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	penna
Township / Ward	Philadelphia City
Est. Birth Year	~1923

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 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Eleanor Lunn	Daughter	—	13	~1917
Mary Lunn	Daughter	—	7	~1923
Ellen Lunn	Spouse	—	49	~1881
Dennis Lunn	Head	—	50	~1880
Dennis Lunn	Son	—	11	~1919

Census Appearances

1930

Philadelphia, Pennsylvania

Daughter, age 7

Philadelphia, Pennsylvania · implied b. ~1923 — 5 household members

Surname	Lunn
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	7
Marital Status	Single
Birthplace	Penna
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	penna

1940

Philadelphia-County, Pennsylvania

Daughter, age 17

Philadelphia-County, Pennsylvania · implied b. ~1923 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lanz
Given Name	Marion
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Penna
1935 Residence (City)	Phila
1935 Residence (County)	Phila
Occupation	New Worker
Class of Worker	GW
Hours Worked	40
Income (1939)	0
Highest Grade	Hs 3
1935 Residence	Same House
Birth State	Pennsylvania
Birth Country	United States
Birthplace (normalized)	penna

Model Tree

Linked across censuses

Our Model Tree links Mary Lunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Lunn

Daughter · 1930 · age 7 · b. ~1923 · Pennsylvania

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Sibling

Eleanor Lunn

Sibling · 1930 · age 13

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Dennis Lunn

Sibling · 1930 · age 11

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

1930 US Federal Census — Philadelphia, Pennsylvania Open full size

Page Contents

40 people indexed on this census page (ia:1930:fifteenthcensus00reel2130rs:0159)

Line	Name	Age	Relation	Occupation	Birthplace
1	Thos. Mccoffrey	71	Head	Business	Ireland
2	Elizabeth Mccoffrey	70	Wife	—	U.S.
3	Emma Mccoffrey	44	Daughter	—	U.S.
4	Anne Mccoffrey	42	Daughter	—	U.S.
6	William H. Becker	44	Head	Dealer	Penna
7	Esther J. Becker	42	Wife	—	Penna
8	Ella P. Becker	16	Daughter	—	Penna
9	Winfield A. Becker	14	Son	—	Penna
16	Dennis Lunn	50	Head	Contractor	Irish Free State
17	Ellen W. Lunn	49	Wife	—	Irish Free State
18	Eleanor Lunn	13	Daughter	—	Penna
19	Dennis Jr. Lunn	11	Son	—	Penna
20	Mary Lunn THIS PERSON	7	Daughter	—	Penna
21	Anna Schumukel	70	Head	—	Penna
22	George P. Schumukel	46	Son	Gov. Agent	Penna
23	Blanche Schumukel	46	Daughter-in-law	Bookkeeper	Ohio
24	Elizabeth L. Schumukel	24	Grandchild	Model Mkr	Penna
25	Philip H. Snyder	81	Brother	Retired	Penna
26	Chas. Armstrong	None	Head	Builder	U.S.
30	Florence Green	67	Head	—	Virginia
31	Ruth Green	34	Daughter	—	Virginia
32	Esther Green	20	Niece	—	Virginia
33	Christopher Stoltzner	45	O	Realtor	Penna
34	Marie Stoltzner	42	Wife	—	Penna
35	Edward Stoltzner	41	Brother	Salesman	Penna
36	Conrad J. Stoltzner	38	Brother	Salesman	Penna
37	Edwin L. Bulm	None	Head	Insurance Broker	U.S.
38	Regina Bulm	None	Wife	—	U.S.
39	Regina Bulm	None	Daughter	—	U.S.
40	? Bulm	None	Daughter	—	U.S.
41	Harry C. Fretton	44	Head	Auditor	Penna
42	Margaret Fretton	46	Wife	—	New York
43	Baron P. Fretton	65	Father	Registrar	Penna
44	Hannah Mcnulty	40	Boarder	Saleslady	New York
45	Amelia F. Crawford	67	Head	—	Penna
46	Herbert C. Crawford	38	Son	Assn	Penna
47	Paul A. Mcneil	34	Boarder	Actor	No. Dakota
48	Fannie White	42	Maid	Servant	Penna
49	George J. Mcnally	58	Head	Retired	Penna
50	Catherine E. Mcnally	48	Wife	—	New Jersey

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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