PAGE 1
000 A000000 04/30/2011
000 C000000 0000759866
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 John Hancock Income Securities Trust
001 B000000 811-4186
001 C000000 6176634497
002 A000000 601 Congress Street
002 B000000 Boston
002 C000000 MA
002 D010000 02210
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
008 A000001 JOHN HANCOCK ADVISERS, LLC
008 B000001 A
008 C000001 801-8124
008 D010001 BOSTON
008 D020001 MA
008 D030001 02210
008 D040001 2805
008 A000002 John Hancock Asset Management
008 B000002 S
008 C000002 801-42023
008 D010002 Boston
008 D020002 MA
008 D030002 02199
010 A000001 JOHN HANCOCK ADVISERS, LLC
010 B000001 801-8124
010 C010001 BOSTON
010 C020001 MA
010 C030001 02210
010 C040001 2805
012 A000001 MELLON INVESTOR SERVICES
012 B000001 84-5579
012 C010001 JERSEY CITY
012 C020001 NJ
012 C030001 07310
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02110
PAGE 2
013 B040001 9682
014 A000001 SIGNATOR INVESTORS, INC.
014 B000001 8-13995
014 A000002 JOHN HANCOCK FUNDS, LLC
014 B000002 8-43582
015 A000001 STATE STREET BANK AND TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02105
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 236
019 C000000 JOHNHANCOC
020 A000001 Morgan Stanley
020 C000001 0
021 000000 0
022 A000001 BARCLAY'S BANK PLC
022 B000001 05-0346412
022 C000001 160872
022 D000001 15437
022 A000002 CREDIT SUISSE SECURITIES (USA) LLC
022 C000002 36093
022 D000002 4624
022 A000003 JP MORGAN CHASE
022 B000003 13-3224016
022 C000003 22897
022 D000003 17220
022 A000004 BANK OF AMERICA CORP
022 B000004 94-1687665
022 C000004 22870
022 D000004 10379
022 A000005 CITIGROUP, INC.
022 B000005 52-1568099
022 C000005 16960
022 D000005 14552
022 A000006 FEDERAL RESERVE BANK OF BOSTON
022 C000006 19117
022 D000006 0
022 A000007 UBS Securities LLC
022 B000007 13-3340045
022 C000007 3353
022 D000007 10730
022 A000008 Deutsche Bank Securities
022 C000008 8334
022 D000008 3443
022 A000009 STATE STREET BANK AND TRUST
022 B000009 04-1867445
022 C000009 11144
022 D000009 0
PAGE 3
022 A000010 MORGAN STANLEY & CO., INC
022 B000010 13-2655998
022 C000010 5369
022 D000010 2570
023 C000000 334674
023 D000000 95378
024 000000 Y
025 A000001 BARCLAY'S BANK PLC
025 B000001 05-0346412
025 C000001 D
025 D000001 2192
025 A000002 CREDIT SUISSE SECURITIES (USA) LLC
025 B000002 13-5659485
025 C000002 D
025 D000002 1570
025 A000003 JP MORGAN CHASE
025 B000003 13-3224016
025 C000003 D
025 D000003 4373
025 A000004 Bank of America Corp.
025 B000004 54-2058405
025 C000004 D
025 D000004 4811
025 A000005 CITIGROUP, INC.
025 B000005 52-1568099
025 C000005 D
025 D000005 2720
025 A000006 CITIGROUP, INC.
025 B000006 52-1568099
025 C000006 E
025 D000006 108
025 A000007 STATE STREET BANK AND TRUST COMPANY
025 B000007 04-1867445
025 C000007 D
025 D000007 1840
025 A000008 MORGAN STANLEY & CO., INC
025 B000008 13-2655998
025 C000008 D
025 D000008 2183
026 A000000 Y
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
028 A010000 0
028 A020000 0
PAGE 4
028 A030000 0
028 A040000 0
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
035 000000 0
036 B000000 0
038 000000 0
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
PAGE 5
048 A010000 150000
048 A020000 0.650
048 B010000 50000
048 B020000 0.375
048 C010000 100000
048 C020000 0.350
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 300000
048 K020000 0.300
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 Y
056 000000 Y
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
PAGE 6
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.2
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 26.1
062 O000000 0.0
062 P000000 54.0
062 Q000000 15.3
062 R000000 4.4
063 A000000 0
063 B000000 8.1
064 A000000 N
064 B000000 Y
065 000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 Y
PAGE 7
070 L020000 Y
070 M010000 Y
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 Y
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000 111582
071 B000000 109328
071 C000000 250404
071 D000000 44
072 A000000 6
072 B000000 7506
072 C000000 219
072 D000000 0
072 E000000 0
072 F000000 672
072 G000000 11
072 H000000 0
072 I000000 40
072 J000000 13
072 K000000 0
072 L000000 38
072 M000000 27
072 N000000 11
072 O000000 0
072 P000000 485
072 Q000000 0
072 R000000 20
072 S000000 20
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 15
072 X000000 1352
072 Y000000 0
072 Z000000 6373
072AA000000 683
072BB000000 0
072CC010000 2825
072CC020000 0
072DD010000 6586
072DD020000 0
072EE000000 0
073 A010000 0.5692
PAGE 8
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 8172
074 B000000 537
074 C000000 0
074 D000000 243729
074 E000000 6333
074 F000000 4796
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 170
074 K000000 0
074 L000000 3008
074 M000000 58
074 N000000 266803
074 O000000 5694
074 P000000 22
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 85991
074 S000000 0
074 T000000 175096
074 U010000 11596
074 U020000 0
074 V010000 15.10
074 V020000 0.00
074 W000000 0.0000
074 X000000 2603
074 Y000000 71
075 A000000 0
075 B000000 170540
076 000000 14.57
077 A000000 Y
077 C000000 Y
077 D000000 Y
077 Q010000 N
077 Q020000 N
077 Q030000 N
078 000000 N
080 C000000 0
081 B000000 0
082 B000000 0
083 B000000 0
084 B000000 0
086 A010000 0
086 A020000 0
086 B010000 0
PAGE 9
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
087 A010000 John Hancock Income Securities Trust
087 A020000 410123103
087 A030000 JHS
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE SALVATORE SCHIAVONE
TITLE TREASURER