William Mckay — 1900 US Census Record

Linked across censuses

1900 United States Federal Census · New Castle, Delaware

Our Model Tree links this William Mckay across the 1900 and 1910 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a head (b.~1857), then head of a 7-person household.

Age 43 b. ~1857 Male Head Born: Delaware Married

1900 Census Record Details

Census Year	1900
Location	New Castle, Delaware
Surname	McKay
Given Name	William A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Delaware
Birth Month	Aug
Birth Year	1857
Father's Birthplace	Delaware
Mother's Birthplace	Delaware
Additional Details
Occupation	Pat Leather Finisher
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware
Occupation	Pat Leather Finisher
Township / Ward	New Castle Hundred
Est. Birth Year	~1857

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.

7 people recorded at the same address in the 1900 census.

Name	Relation to head	Relative to William	Age	Birth yr
Annie Mckay	Daughter	—	18	~1882
Mary Mckay	Spouse	—	48	~1852
Alice Mckay	Daughter	—	15	~1885
Hannah Mckay	Daughter	—	8	~1892
John Mckay	Son	—	21	~1879
William Mckay	Head	—	43	~1857
Mary Mckay	Daughter	—	18	~1882

Census Appearances

1900

New Castle, …

Head, age 43

New Castle, Delaware · implied b. ~1857 — 7 household members

Surname	McKay
Given Name	William A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Delaware
Birth Month	Aug
Birth Year	1857
Father's Birthplace	Delaware
Mother's Birthplace	Delaware
Occupation	Pat Leather Finisher
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1910

New Castle, …

Head, age 52

New Castle, Delaware · implied b. ~1858 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McCoy
Given Name	William H
Relationship to Head	head
Sex	M
Color / Race	White
Age	52
Marital Status	Widowed
Birthplace	Delaware
Father's Birthplace	Delaware
Mother's Birthplace	Delaware
Occupation	Farmer
Industry	general farm
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

Model Tree

Linked across censuses

Our Model Tree links William Mckay across 2 US Census years (1900 and 1910) in New Castle, Delaware, using XGBoost record linkage.

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This person

Anchor record

William Mckay

Head · 1900 · age 43 · b. ~1857 · Delaware

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

Original Census Page

1900 US Federal Census — New Castle, Delaware Open full size

Page Contents

50 people indexed on this census page (ia:1900:12thcensusofpopu156unit:0662)

Line	Name	Age	Relation	Occupation	Birthplace
1	William A. Mckay THIS PERSON	42	Head	Pat Leather Finisher	Delaware
2	Mary L. Mckay	48	Wife	—	Delaware
3	John Mckay	20	Son	Pat Leather Finisher	Delaware
4	Mary Mckay	17	Daughter	—	Delaware
5	Annie Mckay	17	Daughter	—	Delaware
6	Alice Mckay	14	Daughter	At School	Delaware
7	Hannah Mckay	8	Daughter	At School	Delaware
8	Giles Lamborn	67	Head	Farmer	Delaware
9	Kate E. Lamborn	58	Wife	—	Pennsylvania
10	John O. Lamborn	33	Son	Cashier P.B.&W.R.R. Office	Delaware
11	Bertha A. Lamborn	31	Daughter	—	Delaware
12	Matilda Lamborn	25	Daughter	—	Delaware
13	Patrick Hefford	18	Servant	Farm Laborer	Pennsylvania
14	Lewis Dutton	45	Head	Trucker	Delaware
15	Martha Dutton	44	Wife	—	New Jersey
16	Ephraim H. Dutton	22	Son	Farm Laborer	Delaware
17	Howard H. Dutton	18	Son	Farm Laborer	Delaware
18	Georgianna Dutton	15	Daughter	—	Delaware
19	Warren H. Dutton	11	Son	At School	Delaware
20	Harvey L. Dutton	9	Son	At School	Delaware
21	Clara B. Dutton	5	Daughter	—	Delaware
22	John F. Gerry	42	Head	Baggage Master P.R.R.	Delaware
23	Mary M. Gerry	42	Wife	—	Pennsylvania
24	Joseph H. Gerry	15	Son	Machine Apprentice	Delaware
25	James Gerry	14	Son	At School	Delaware
26	Charles A. Gerry	12	Son	At School	Delaware
27	Anna B. Gerry	4	Daughter	—	Delaware
28	John F. Gerry	0	Son	—	Delaware
29	James Blair	23	Servant	Farm Laborer	Virginia
30	Samuel L. Burris	27	Head	Trucker	Delaware
31	Hattie E. Burris	26	Wife	—	Maryland
32	Thomas J. Harding	40	Boarder	Laborer Rolling Mill	Maryland
33	Olive Harding	30	Boarder	—	Maryland
34	William S. Harding	10	Boarder	At School	Maryland
35	Edna Harding	7	Boarder	—	Delaware
36	Edith Harding	4	Boarder	—	Delaware
37	George Grant	18	Servant	Farm Laborer	Maryland
38	Dennis J. Maguire	39	Head	Machinist	Delaware
39	Maggie Maguire	36	Wife	—	Ireland
40	Frank Maguire	8	Son	At School	Delaware
41	Sarah Simon	53	Head	—	Pennsylvania
42	Ida Simon	27	Daughter	—	Pennsylvania
43	Emmett Simon	24	Son	Farm Laborer	Delaware
44	Sadie Simon	25	Daughter	—	Delaware
45	Elwood Simon	18	Son	—	Delaware
46	Joseph Biggen	59	Servant	Farm Laborer	Wisconsin
47	Susan Lealy	55	Head	Trucker	Ireland
48	Harry J. Lealy	32	Son	Farm Laborer	Delaware
49	Annie Lealy	24	Daughter	—	Delaware
50	Daniel Lealy	20	Son	Farm Laborer	Delaware

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1900 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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