- Twa #111,426
- Twaddell #49,365
- Twaddle #34,707
- Twait #64,054
- Twal #152,628
- Twamley #89,753
- Twardoski #124,548
- Twardowski #26,391
- Twardus #137,327
- Twardy #55,255
- Twardzik #62,189
- Twarog #63,218
- Twarowski #106,570
- Tway #58,735
- Tweddell #117,480
- Tweddle #88,020
- Twede #119,508
- Twedell #82,317
- Twedt #21,535
- Tweed #11,456
- Tweedale #116,829
- Tweeddale #157,234
- Tweedel #138,304
- Tweedell #81,181
- Tweedie #21,912
- Tweedle #55,841
- Tweedt #91,221
- Tweedy #9,258
- Tweel #150,452
- Tweet #37,229
- Tweeten #68,122
- Tweeton #148,347
- Tweh #157,234
- Twehues #128,249
- Tweit #134,712
- Twele #152,628
- Twellman #91,981
- Twente #112,568
- Twenter #62,189
- Twerski #122,314
- Twersky #28,883
- Twete #157,234
- Tweten #37,341
- Twibell #85,049
- Twichell #46,037
- Twiddy #39,164
- Twidwell #55,741
- Twietmeyer #98,099
- Twiford #31,329
- Twigg #10,015
- Twigger #104,602
- Twiggs #19,782
- Twilla #117,480
- Twilley #17,775
- Twillie #82,613
- Twilligear #131,379
- Twilling #143,149
- Twinam #111,988
- Twine #23,333
- Twiner #81,458
- Twing #70,645
- Twining #20,057
- Twinn #108,199
- Twisdale #52,383
- Twiss #17,290
- Twisselman #140,157
- Twist #21,288
- Twitchell #11,319
- Twite #47,791
- Twito #98,099
- Twitty #10,809
- Twobulls #61,585
- Twocrow #91,221
- Twoeagle #133,048
- Twogood #72,771
- Twohearts #130,610
- Twohey #108,734
- Twohig #26,727
- Twohill #131,379
- Twohy #88,020
- Twombley #93,125
- Twombly #16,100
- Twomey #9,949
- Tworek #35,622
- Twork #90,495
- Twu #150,452
- Twum #95,115
- Twumasi #83,541
- Twyford #43,077
- Twyman #10,531
- Twymon #72,105
- Twyne #123,796