Countdown To Automation

Manned lighthouses as of:
1987 July: 18 (9 in Maine) of 500 active
1987 Oct: 16
1987 Nov: 13 of 445 active
1988 Jan: 14
1988 May: 12 (8 Maine, 2 other New England, 2 others)
1988 Sep: 11
1989 Oct: 6
(Based on counts given in various newspaper articles)

Last 25 US Light Stations To Be Automated

LIGHTHOUSE LOCATION
STATE
AUTOMATED
LAST HEAD KEEPER
NOTES
25
   
 
24
   
 
23?
Great Duck Island  
ME
1986
BM1? Donald Parker
 
22?
Wood Island  
ME
1986
BM1? Warren Rowell
 
21?
Montauk Point Long Island
NY
Feb 1987
BMC W. Gene Hughes
Fresnel lens removed
20?
New London Ledge Long Island Sound
CT
1 May 1987
BM1 Pete Polotnianka
 
19
Cape Neddick Nubble Point
ME
13 Jul 1987
BM1? Russell Ahlgren
 
18
Dry Tortugas (Loggerhead Key) Florida Keys
FL
July 1987
Fresnel lens removed
17
Browns Head Fox Islands
ME
Aug 1987
BM1? Charles Lawson
 
16
   
 
15
   
 
14
   
 
13?
Ambrose Channel Raritan Bay, New York Harbor
NJ
16 Mar 1988
BM1 Russell Dudemaine
 
12
West Quoddy Head  
ME
30 Jun 1988
BM1 Malcolm Rouse
 
11?
Doubling Point Arrowsic Island, Kennebec River
ME
1988
 
10?
Burnt Island  
ME
fall 1988
BM1? Henry Sieg
 
9?
Fort Point  
ME
Oct 1988
BM1 Larry Baum
 
8
   
ME
 
7?
Owls Head Penobscot Bay
ME
1989
BM1 Malcolm Rouse
 
6?
Portland Head Cape Elizabeth, Casco Bay
ME
7 Aug 1989
BM1? Davis Simpson Jr.
 
5
Egmont Key Tampa Bay
FL
1 Oct 1989
 
4
Coney Island  
NY
Dec 1989
Frank Schubert
Last civilian lighthouse keeper in the US. Schubert remained as caretaker until his death in 2003.
3
Block Island Southeast  
RI
July 7, 1990
Light deactivated
2
Goat Island Cape Porpoise near Kennebunkport
ME
fall 1990
BM1? Bradley Culp
 
1
Boston (Little Brewster Island) Boston Harbor
MA
16 Apr 1998
BM1 Scott Stanton
Boston maintains a permanent caretaker due to an act of Congress. USCG enlisted personnel remained on the island until 2003 when a member of the CG Auxiliary (Sally Snowman) became caretaker.

Lighthouses That Were Automated, But Continued To Have Personnel Assigned Until A Later Date

LIGHTHOUSE LOCATION
STATE
AUTOMATED
UNMANNED
LAST ENLISTED KEEPER
Jupiter Inlet Florida East Coast
FL
1966
July 1987
BM1 Mitchel W. Oakland
Hillsboro Inlet Florida East Coast
FL
1 Nov 1973
1997
BM3? Larry Jesse
Boston Boston Harbor
MA
16 Apr 1998
2003
BM1 Pedro Gonzales

Sources - Newspaper Articles:
"Lighthouse Shift Marks End Of Era." Hartford Courant. 2 May 1987.
"Last of the Lighthouse Keepers: Egmont Key Crew Mans A Final Outpost." Orlando Sentinel. 12 Jul 1987.
"Kind of Sad." Orlando Sentinel. 14 Jul 1987.
"Keepers Of Ambrose Light: The Crew Of The Last Manned Lighthouse In New Jersey Will Soon Be Replaced By Computers." Philadelphia Inquirer. 3 Nov 1987.
"Bid To Automate Lighthouse Raises Seaside Town's Ire." Philadelphia Inquirer. 24 Jan 1988.
"Lighthouse Keeper On His Way Out" Boston Globe. 1 May 1988.
"Down East." Orlando Sentinel. 30 Jun 1988.
"After 164 Years, A Lonely Beacon Loses Its Human Touch." Rochester Democrat & Chronicle. 20 Mar 1988.
"A Colder Light: Computers Drive Last Lighthouse Keepers and Families From Their Salty Old Homes." Chicago Tribuine. 18 Sep 1988.
"Tampa Bay Beacon To Keep Manpower." South Florida Sun Sentinel. 29 Oct 1989.
"Keeper of the Flame Shines On." Staten Island Advance. 24 Nov 1989

Sources - Other:
LighthouseFriends.com
Wikipedia