As a young man, William removed to Tisbury, Dukes County, Massachusetts (on Martha’s Vineyard), where he was married on March 28, 1852 to Anna W. Heald, daughter of John and Hannah Heald. A notice of the marriage was printed in the Vineyard Gazette on April 2, 1852. According to the announcement, William and Anna were both “of Tisbury” and the marriage took place at Holmes Hole.

A record of the marriage is also found in the Vital Records of Tisbury (Marriages in Tisbury, Dukes Co., Massachusetts, 1850 - 1853, p. 12). According to the record, “William M. Egerton” (single, age 25, mariner, b. Hudson, New York, resident of Tisbury, parents: Walter [sic] and Elisa Egerton) and “Ann W. Heald” (single, age 25 [sic], seamstress, b. Madison, Maine, resident of Tisbury, parents: John and Hannah Heald) were married on March 28, 1852 at Tisbury by “Geo. W. Stearns, Methodist Clergyman”.

William and Anna (Heald) Edgerton had a son, William O., born April 10, 1856 at Tisbury. The 1900 and 1910 Federal Censuses (see below) reports that Anna had had another child, who probably died young. No evidence of this child’s identity has been found.

The household of William M. Edgerton was recorded in the 1860 Federal Census of Tisbury, Dukes County, Massachusetts (dwelling #332; family #353; enum. June 27), with the following enumeration:

William M. Edgerton	35	b. CT
Ann W.	29	b. ME
William	4	b. MA

William M. Edgerton’s name was included on the “Enrollment of citizens of the town of Tisbury, between the ages of 18 and 45 years, pursuant to an order of the President of the United States, dated August 4, 1862”, as published in the Vineyard Gazette (September 12, 1862 issue), the entry being: “William M. Edgerton, at sea”.

The family of William Edgerton was recorded in the 1870 Federal Census of Chicago (Ward 17), Cook County, Illinois (pg. 200; dwelling #298; family #365; enum. June 9, 1870), with the following enumeration:

William Edgerton	43	b. NY	Seaman $300 personal estate
Anna	40	b. ME	keeping house
William	14	b. MA	attends school

William’s household at this time also included the family of James and Harriet Golden and several other individuals.

William M. Edgerton died at Chicago, Cook County, Illinois on December 26, 1879, aged 52 years. A copy of his death certificate (#8182) was filed with the Cook County, Illinois Bureau of Vital Statistics.

Mrs. Anna W. (Heald) Edgerton was recorded in the 1900 Federal Census of West Town (Chicago, Ward 13), Cook County, Illinois (pg. 210; dwelling #4; family #5; enum. June 1, 1900) residing in the household of her son, William O. Edgerton. She was enumerated as “Anna W. [Edgerton], mother, b. Nov. 1830, Maine, aged 69, widow, two children (one living), father b. Massachusetts, mother b. Maine”.

The household of Mrs. “Anna W. Egerton” was recorded in the 1910 Federal Census of Chicago City (Ward 14), Cook County, Illinois (pg. 59; dwelling #135; family #200; ernum. April 21, 1910), with the following enumeration:

Name	Rel.	Age	Birthplace	Marital	Parents’ birthplace
				Status	Father	Mother
----------------------------	--------	--------	-----------	----------	----------	----------
Anna W. Egerton	head	79	ME	Wd	MA	ME
William E.	son	54	MA	S	NY	ME

According to the above census record, Anna was the mother of two children, one of whom was still living. The family was residing at 2434 West Superior Street.