Rank
Surname
Incidence
Frequency
1Perera965,6661:22
2Fernando583,8431:36
3de Silva335,2641:62
4Bandara254,7191:82
5Kumara225,9941:92
6Dissanayake193,3961:108
7Mohamed173,3701:120
8Gamage167,5961:124
9Liyanage161,2371:129
10Jayasinghe159,3361:131
11Ranasinghe156,4861:133
12Herath138,0671:151
13Weerasinghe136,6051:152
14Peiris129,8811:160
15Rathnayake115,3361:180
16Wickramasinghe108,6851:191
17Wijesinghe106,2001:196
18Hettiarachchi98,0871:212
19Nanayakkara87,4891:238
20Ahamed83,5421:249
21Rajapaksha79,7411:261
22Mendis79,1571:263
23Pathirana78,7911:264
24Ekanayake78,2061:266
25Gunasekara77,7681:268
26Dias75,7941:275
27Sampath75,3561:276
28Amarasinghe72,7981:286
29Ratnayake66,9501:311
30Chathuranga65,7811:316
31Senanayake61,6881:337
32Samarasinghe60,8111:342
33Lakmal60,2261:346
34Munasinghe59,0571:352
35Rodrigo58,0341:359
36Seneviratne57,8141:360
37Rathnayaka55,9141:372
38Edirisinghe54,3791:383
39Jayawardena54,2331:384
40Fonseka53,7941:387
41Sanjeewa52,7711:394
42Gunawardana52,1861:399
43Prasad51,5281:404
44Gunawardena50,8711:409
45Karunaratne50,2861:414
46Jayaweera48,7511:427
47Jayasekara48,6051:428
48Ranaweera47,5091:438
49Jayawardana45,7541:455
50Jayasuriya45,3891:458
51Madusanka45,1701:461
52Alwis45,0231:462
53Rajapakse44,8771:464
54Karunarathna44,1461:471
55Dissanayaka43,9271:474
56Jayakody43,2691:481
57Samarakoon41,5881:500
58Kariyawasam41,4421:502
59Cooray39,5421:526
60Karunarathne39,3221:529
61Kumari39,1761:531
62Abeysinghe38,6651:538
63Rupasinghe36,9841:563
64Sandaruwan36,6181:568
65Weerakoon36,3261:573
66Jayalath35,5951:585
67Gunasekera34,7911:598
68de Alwis34,1331:610
69Madushanka33,4021:623
70Jayasundara33,3291:624
71Tennakoon33,2561:626
72Vithanage32,9641:631
73Weerasekara32,9641:631
74Subasinghe32,1601:647
75Kumarasinghe31,4291:662
76Hewage31,0631:670
77Gunarathna30,1131:691
78Gunaratne30,1131:691
79Prasanna30,0401:693
80Samaraweera29,8941:696
81Athukorala29,6011:703
82Maduranga29,6011:703
83Wijeratne29,3091:710
84Wijekoon29,0901:715
85Gunathilaka28,9441:719
86Hussain28,5781:728
87Pushpakumara28,4321:732
88Priyadarshana28,3591:734
89Samaranayake28,1401:739
90Jayathilaka27,9201:745
91Lanka27,9201:745
92Siriwardana26,8971:774
93Gunathilake26,5321:784
94Dassanayake26,4591:786
95Senevirathne26,3121:791
96Pradeep25,8741:804
97Mohammed25,5821:813
Rank
Surname
Incidence
Frequency
1Mohammed25,5821:813
2Yapa25,5081:816
3Priyankara24,9971:832
4Wijesekara24,8511:837
5Desilva24,7781:840
6Indika24,7041:842
7Attanayake24,4851:850
8Farook24,4851:850
9Ranathunga24,4851:850
10Basnayake24,2661:858
11Senaratne23,9001:871
12Withanage22,6581:918
13Abdul22,5851:921
14Madushan22,3661:930
15Nishantha21,8541:952
16Mohideen21,7811:955
17Chamara21,6351:962
18Wijerathne21,6351:962
19Sri21,5621:965
20Kannangara21,4881:968
21Siriwardena21,4151:972
22Adikari21,3421:975
23Jayarathna21,2691:978
24Kodithuwakku21,1961:982
25Nuwan21,1961:982
26Sameera20,9771:992
27Senevirathna20,9771:992
28Dilrukshi20,9041:995
29Priyantha20,6841:1,006
30Wanniarachchi20,6111:1,010
31Wijerathna20,5381:1,013
32Jayathilake20,3921:1,020
33Rajakaruna20,3921:1,020
34Udayanga20,3921:1,020
35Gunarathne20,3191:1,024
36Lakmali20,1001:1,035
37Ranatunga20,1001:1,035
38Abeykoon20,0271:1,039
39Karunanayake19,9541:1,043
40Jayasooriya19,7341:1,054
41Tharanga19,7341:1,054
42Abeywickrama19,6611:1,058
43Guruge19,5881:1,062
44Senarath19,5881:1,062
45Wijesundara19,5881:1,062
46Jayasekera19,5151:1,066
47Balasuriya19,4421:1,070
48Hassan19,3691:1,074
49Samarawickrama19,3691:1,074
50Weerakkody19,2231:1,082
51Chandrasiri19,0771:1,091
52Marasinghe18,9301:1,099
53Dilshan18,7111:1,112
54Kuruppu18,6381:1,116
55Priyadarshani18,6381:1,116
56Atapattu18,2731:1,139
57Madushani18,2731:1,139
58Wijesuriya18,2731:1,139
59Kaluarachchi18,1261:1,148
60Weerasooriya18,1261:1,148
61Wijesooriya18,0531:1,153
62Balasooriya17,9071:1,162
63Kodikara17,9071:1,162
64Roshan17,7611:1,172
65de Zoysa17,7611:1,172
66Jayaratne17,6881:1,176
67Alahakoon17,5421:1,186
68Tissera17,4691:1,191
69Amarasekara17,3951:1,196
70Darshana17,3221:1,201
71Senarathna17,3221:1,201
72Kulathunga17,2491:1,206
73Thilakarathna17,2491:1,206
74Gayan17,1761:1,211
75Rajapakshe17,1031:1,217
76Dharmasena17,0301:1,222
77Sandamali16,9571:1,227
78Raj16,8111:1,238
79Jayawickrama16,7381:1,243
80Gunawardhana16,6651:1,249
81Ekanayaka16,3721:1,271
82Suranga16,3721:1,271
83Prabath16,2261:1,282
84Suraweera16,2261:1,282
85Ismail16,1531:1,288
86Jayarathne16,0801:1,294
87Cader15,9341:1,306
88de Mel15,9341:1,306
89Chandrasekara15,8611:1,312
90Senarathne15,8611:1,312
91Ranawaka15,7871:1,318
92Chaminda15,7141:1,324
93Nissanka15,7141:1,324
94Thilakarathne15,5681:1,337
95Hameed15,4221:1,349
96Anuradha15,3491:1,356
97Bandaranayake15,2761:1,362