Harvey Trimble May was a son of Blair May and Sarah "Sally" Adams May and a grandson of Caleb May and Margaretta Patrick May.

Trimble married Lydia Conley on September 8, 1853, in Floyd County, Kentucky. They were married by Wallis Bailey, a United Baptist Minister, at the home of Thomas Conley.

Harvey Trimble May was also an ordained United Baptist Minister.

He was buried in Bonanza, on Abbott Creek, Floyd County, Kentucky.

1850 United States Federal Census

Name: Harry May
[Harvy May]
Age: 14
Estimated Birth Year: abt 1836
Birth Place: Kentucky
Gender: Male
Home in 1850 (City,County,State): My District, Floyd, Kentucky
Family Number: 641
Household Members:
Name Age
Blair May 42
Sarah May 35
William May 16
Harry May 14
Henry H May 12
Robert W May 10
Samuel May 8
Dial May 6
Stephen L May 4
Rebecca May 0

1860 United States Federal Census

Name: Harry T May
[Harvey May]
[Harry Trimble May]
Age in 1860: 24
Birth Year: abt 1836
Birthplace: Kentucky
Home in 1860: Floyd, Kentucky
Gender: Male
Post Office: Prestonsburg
Household Members:
Name Age
Harry T May 24
Lydia May 24
Thomas B May 6
Samuel W May 4
Mahala C May 2
Dicy E May 1

Stephen D Mace 32
Sarah A Mace 24
Thomas W Mace 3/12
Wm C Bracken 26

1870 United States Federal Census

Name: Trimable May
[Harvey Trimble May]
[Trimble]
Birth Year: abt 1836
Age in 1870: 34
Birthplace: Kentucky
Home in 1870: Precinct 1, Magoffin, Kentucky
Race: White
Gender: Male
Household Members:
Name Age
Trimable May 34
Liddy May 34
Thomas B May 15
Samuil W May 14
Mahala C May 12
Dicy E May 11
Amda C May 9
Sarah E May 8
Samantha J May 5
Elzy W May 4
Nancy R May 3
Liddy E May 2
Husanna May 3/12

1880 United States Federal Census

Name: Harvy May
Home in 1880: Prestonburg, Abbott and Hager Shoal, Floyd, Kentucky
Age: 46
Estimated Birth Year: abt 1834
Birthplace: Kentucky
Relation to Head of Household: Self (Head)
Spouse's Name: Lidda May
Father's birthplace: Kentucky
Mother's birthplace: Kentucky
Occupation: Farmer
Marital Status: Married
Race: White
Gender: Male
Household Members:
Name Age
Harvy May 46
Lidda May 44
Sarah E May 17
Jane May 16
Elzy May 14
Nancy May 12
Nevada May 11
Emya May 9 (Emza)
Kalip May 2 (Caleb Sherman)