A List of Some Mortal Sins
1) Missing Mass on Sunday or on a Holy Day.
2) Coming late to Mass on a Sunday or Holy Day-after the
priest has removed the veil from the chalice.
3) Doing unnecessary physical work on Sunday or on a Holy
Day of Obligation (about 2-1/2 to 3 hours or more).
4) Eating meat on a forbidden day, when you know it is a
forbidden day.
5) Not fasting on a fast day.
6) Getting drunk.
7) Adultery.
8) Fornication.
9) Self-abuse (masturbation).
10) Impure looks and touches.
11) Impure thoughts or desires.
12) Impure kisses.
13) Impure dancing.
14) Impure talk.
15) Watching sexually immoral movies or videos.
16) Reading sexually immoral books and literature.
17) Looking at immodest or immoral pictures.
18) Unnatural sins of sex.
19) Birth control.
20) Refusing intercourse to your husband (or wife).
21) Gambling away the family money.
22) Stealing something expensive, or a large sum of money
(more than the daily wage of the person you steal from).
23) Giving bad example to your children in serious matters.
24) Murder or seriously harming another.
25) Killing an unborn baby (abortion).
26) Sterilization.
27) Serious anger.
28) Hatred.
29) Driving while seriously intoxicated.
30) Helping another commit a mortal sin.
31) Telling serious lies about another.
32) Revealing serious wrongdoing by someone without good
reason.
33) Telling a lie after swearing to tell the truth.
34) Not supporting your family.
35) Seriously neglecting your children.
36) Wishing someone serious harm.
37) Breaking a serious contract.
38) Cursing someone.
39) Guiding your life by horoscopes, fortune telling or
superstition.
40) Using a ouija board.
41) Trying to contact spirits.
42) Insulting God or His holy religion.
43) Reading non-Catholic Bibles or books about religion.
44) Denying anything taught by the Catholic Church.
45) Taking part in false (non-Catholic) religious services.