William Irwin — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Hamilton, Indiana

Our Model Tree links this William Irwin across the 1920 and 1930 US Censuses in Hamilton, Indiana (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 5-person household.

Age 12 b. ~1918 Male Son Born: Indiana Single

1930 Census Record Details

Census Year	1930
Location	Hamilton, Indiana
Surname	Irwin
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Additional Details
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Washington Township
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.

5 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to William	Age	Birth yr
Mary Irwin	Daughter	—	7	~1923
George Irwin	Head	—	38	~1892
William Irwin	Son	—	12	~1918
Opal Irwin	Other	—	32	~1898
Virginia Irwin	Daughter	—	10	~1920

Census Appearances

1920

Hamilton, Indiana

Son, age 2

Hamilton, Indiana · implied b. ~1918 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Irwin
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	2
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Hamilton, Indiana

Son, age 12

Hamilton, Indiana · implied b. ~1918 — 5 household members

Surname	Irwin
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links William Irwin across 2 US Census years (1920 and 1930) in Hamilton, Indiana, using XGBoost record linkage.

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This person

Anchor record

William Irwin

Son · 1930 · age 12 · b. ~1918 · Indiana

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Sibling

Mary Irwin

Sibling · 1930 · age 7

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Virginia Irwin

Sibling · 1930 · age 10

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 — Hamilton, Indiana Open full size

Page Contents

50 people indexed on this census page (ia:1930:indianacensus00reel590:1088)

Line	Name	Age	Relation	Occupation	Birthplace
1	Alex Lutzenberger	74	Head	—	Indiana
2	Mary A Lutzenberger	72	Wife-H	—	Indiana
3	Mary E Mcshane	57	Head	—	Indiana
4	Patrick Mcshane	60	Brother	Laborer	Indiana
5	Dan Mcshane	56	Brother	—	Indiana
6	Henry M Fosnight	46	Head	Laborer	Indiana
7	Gertrude Fosnight	29	Wife-H	—	Indiana
8	Henry A Fosnight	18	Son	—	Indiana
9	George E Ring	66	Head	—	Indiana
10	Almeda C Ring	54	Wife-H	—	Indiana
11	Alvin Bredlove	67	Head	Farmer	Indiana
12	Louise Bredlove	69	Wife-H	—	Indiana
13	Miley Brouhard	49	Head	Janitor	Indiana
14	Sarah Brouhard	44	Wife-H	—	Indiana
15	Russell Brouhard	39	Son	Teacher	Indiana
16	George C Irwin	38	Head	Blacksmith	Indiana
17	Opal B Irwin	32	Wife-H	—	Indiana
18	William Irwin THIS PERSON	12	Son	—	Indiana
19	Virginia Irwin	10	Daughter	—	Indiana
20	Mary Jean Irwin	7	Daughter	—	Indiana
21	Joseph O Mills	40	Head	Carpenter	Indiana
22	Laura M Mills	50	Wife-H	—	Indiana
23	Garrett Clare A Mills	15	Niece	—	Indiana
24	John C Jackson	48	Head	Merchant	Indiana
25	Jane Jackson	46	Wife-H	—	Indiana
26	Anna A Coridan	63	Head	Operator	Indiana
27	Wiley Nichols	20	Nephew	—	Indiana
28	Mary Nichols	17	Niece	—	Indiana
29	Hazel Nichols	17	Niece	—	Indiana
30	Earl Showalter	43	Head	Foreman	Indiana
31	Mary Showalter	42	Wife-H	—	Virginia
32	Helen Showalter	15	Daughter	—	Indiana
33	Joseph Showalter	14	Son	—	Indiana
34	Warren Showalter	11	Son	—	Indiana
35	Evelyn Showalter	9	Daughter	—	Indiana
36	Sarah Catherine Showalter	8	Daughter	—	Indiana
37	Alex Freder	28	Head	Laborer	Indiana
38	Edith Freder	21	Wife-H	—	Indiana
39	Ray Olaf Freder	2	Son	—	Indiana
40	Robert S Ramsey	35	Head	Merchant	Indiana
41	Mable Ramsey	29	Wife-H	—	Indiana
42	William L Gluck	35	Head	Telegraph Clerk	Indiana
43	Carlina Gluck	21	Wife-H	—	Indiana
44	Rosemary Gluck	3	Daughter	—	Indiana
45	William Jr Gluck	1	Son	—	Indiana
46	William W Holt	61	Head	Farmer	Indiana
47	Elizabeth E Holt	61	Wife-H	—	Indiana
48	Marcus Bauchat	67	Head	Barber	Indiana
49	Emma Bauchat	67	Wife-H	—	Indiana
50	Lee B Sharp	36	Head	Minister	Tennessee

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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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