Who was William Sizer?

William Sizer (1746–1826) was born in Middletown, Middlesex, Connecticut, USA and died in Chester, Hampden, Massachusetts, USA. 3 researchers on YourRoots have this ancestor in their family trees.

How many people are researching William?

Right now, 3 researchers on YourRoots have William in their trees. The ancestor migration map traces 4 generations of this lineage.

What records do they have for William?

Records vary by researcher and can include census, vital, parish, cemetery, and family sources.

How do I compare family trees?

Use Compare Tree on an available researcher profile to compare overlapping people and records.

William Sizer 1746–1826

Public Tree Person

What is a Public Tree Person?

A Public Tree Person is an ancestor documented independently by multiple YourRoots tree owners. When several researchers' family histories converge on the same person, we publish a shared page that combines what they've documented.

Why this is a Public Tree Person

Full name consistent across 3 independent trees

Birth year and location consistent across 3 trees

Death year and location consistent across 3 trees

Compare a Public Tree Person with your own tree using Compare Tree.

B Reliability

Reliability Score: B

Medium — based on the source tree

Grade scale

A 3 criteria (Strong)
B 2 criteria (Medium)
C 1 criteria (Basic)

Verification checklist

Record available
Descendant's record available
Star tree owner

3 researchers on YourRoots have William Sizer in their family trees — each with their own records and documentation. Trace the migration path across 4 generations. If this ancestor is in your tree too, you can compare what you've found and fill in the gaps together.

Last updated: September 17, 2026 · Reliability: B — verified across 3 independent trees

Born 12 Nov 1746 · Middletown, Middlesex, Connecticut, USA

Died 01 Dec 1826 · Chester, Hampden, Massachusetts, USA

Father

Mother Sarah Tryon (1704–1774)

Spouse

Children , , , , , , , , , , , , Silas Sizer, , ,

Records

1820 United States Federal Census American Genealogical-Biographical Index (AGBI) Connecticut, U.S., Town Birth Records, … Connecticut, U.S., Town Marriage Records, … Geneanet Community Trees Index Massachusetts, U.S., Town and Vital … U.S., Find a Grave® Index, … U.S., Revolutionary War Pension and … U.S., Revolutionary War Pensioners, 1801-1815, … U.S., Revolutionary War Rolls, 1775-1783 U.S., Sons of the American … Netherlands, GenealogieOnline Trees Index North America, Family Histories Massachusetts, U.S., Compiled Birth, Marriage, … Massachusetts, Death Records Massachusetts, U.S., Death Records Connecticut, Church Record Abstracts Early Connecticut Marriages U.S., the Pension Roll of … Massachusetts, Find a Grave Index Massachusetts, U.S., Mason Membership Cards Sizer genealogy

Researchers connected through William Sizer 1746–1826

and 2 more tree owners connected with William Sizer 1746–1826

Immediate Family

Parents

Sarah Tryon

1704–1774

Spouse(s)

Children

Silas Sizer

Biography

The story of William Sizer began in 1746 in Middletown, Middlesex, Connecticut, USA. William Sizer married abigail wilcox, and had children including abigail sizer, ameria sizer, clarissa sizer, daughter sizer, fletcher sizer, francis sizer, hiram sizer, horace sizer, john sizer, lucy sizer, rachel sizer, sarah sizer, silas sizer, titus sizer, virgil sizer, william sizer. William Sizer passed away in 1826 in Chester, Hampden, Massachusetts, USA.

Sources

1

Census 1820 United States Federal Census
2

Record American Genealogical-Biographical Index (AGBI)
3

Birth Records Connecticut, U.S., Town Birth Records, pre-1870 (Barbour Collection)
4

Marriage Records Connecticut, U.S., Town Marriage Records, pre-1870 (Barbour Collection)
5

Record Geneanet Community Trees Index
6

Vital Records Massachusetts, U.S., Town and Vital Records, 1620-1988
7

Burial Records U.S., Find a Grave® Index, 1600s-Current
8

Military U.S., Revolutionary War Pension and Bounty-Land Warrant Application Files, 1800-1900
9

Military U.S., Revolutionary War Pensioners, 1801-1815, 1818-1872
10

Military U.S., Revolutionary War Rolls, 1775-1783
11

Record U.S., Sons of the American Revolution Membership Applications, 1889-1970
12

Record Netherlands, GenealogieOnline Trees Index
13

Record North America, Family Histories
14

Birth Records Massachusetts, U.S., Compiled Birth, Marriage, and Death Records
15

Death Records Massachusetts, Death Records
16

Death Records Massachusetts, U.S., Death Records
17

Church Records Connecticut, Church Record Abstracts
18

Marriage Records Early Connecticut Marriages
19

Military U.S., the Pension Roll of 1835
20

Burial Records Massachusetts, Find a Grave Index
21

Record Massachusetts, U.S., Mason Membership Cards
22

Record Sizer genealogy

Life Timeline

1746

Birth of William Sizer in Middletown, Middlesex, Connecticut, USA

Birth

1826

Death of William Sizer in Chester, Hampden, Massachusetts, USA

Death

Oldest Ancestor Line from William Sizer

This ancestor line traces from Hartford, Hartford County, Connecticut, USA (1652) to Middletown, Middlesex, Connecticut, United States (1746) across 4 generations.

Direct Lineage

generations

Frequently Asked Questions

: William Sizer (1746–1826) was born in Middletown, Middlesex, Connecticut, USA and died in Chester, Hampden, Massachusetts, USA. 3 researchers on YourRoots have this ancestor in their family trees, each with their own records. This page combines what they've independently documented and assigns a Reliability Score (B) based on cross-tree validation.
: Right now, 3 researchers on YourRoots have William in their trees. They're working independently, so connecting with them is a good way to cross-check your records and find things you might have missed. You can also explore the ancestor migration map that traces 4 generations of this lineage geographically.
: It varies by researcher — some have census records, others have marriage certificates, parish registers, or family Bible entries. Scroll up to see exactly what each person has cited.
: Use the "Compare Tree" button on any researcher's profile above. You can compare your tree side by side with theirs, see where your records overlap or differ, and collaborate to fill gaps.

Related Records

Sarah Tryon

1704–1774 · Mother

William Sizer's Ancestors

Pedigree chart — 3 generations on record

Self

William Sizer PTP

1746–1826

Middletown, Middlesex, Connecticut, USA