Birthday Letter (Format & Sample Letter)

A birthday letter as the name specifies is the letter written on the occasion of someone’s birthday. This person could be a sibling, relative, friend, or colleague, etc. When writing for a colleague the letter would be formal in tone. However, when writing to a close family member or friend, the length may vary. You can add memories and stories in the letter as well.

Writing the letter might be a little tough for someone who is not very fond of writing and hence, using a sample letter would make things easier to understand.

Phrases for Writing a Birthday Letter

When you are attaching a birthday card, it would already represent the sweet gesture on your behalf. However, there are some phrases that you can use in the birthday letter such as:
  • Wishing birthday from the core of my heart. May you always smile.
  • Happy Birthday my sweet daughter/sister/friend (Name).
  • Happy Birthday! May you live a long and happy life.
  • Accept my wishes on this special occasion. May you see many more birthdays. Happy 27th Birthday!
  • Happy Birthday to my favorite person in the world!
  • Love and warm wishes on this special. Wishing you health, happiness, and joy! Very happy birthday to you.
  • Enjoy the Day! Celebrate and have fun. Happy Birthday!
  • You deserve to be happy and enjoy this special day. Happy 30th Birthday! May you live life to the fullest.

Tips for Writing a Birthday Letter

Given below are some tips, which can be useful in writing a birthday letter:
  • Write the letter in a manner that touches the heart of the reader. Use nice words and avoid being formal with close family members. However, if you are writing a letter to a colleague or a friend, you can choose a formal tone.
  • A birthday letter in handwriting would give it a personal touch as compared to a birthday letter that is typed.
  • Try to make it memorable.
  • Add a touch of personal tone in the letter.
  • Add some humor in the letter. It would make the letter interesting.
  • Show how excited you are for the event.

Birthday Letter Format








Subject- Sample Birthday Letter

Dear [Insert Name here],

I, [Name], your [relation] is writing this letter to wish you a happy birthday. I am sorry for not being able to wish you in person. I remember how you wait for this special day the entire year. I hope you are celebrating this occasion with your mom, dad, and close friends. I wish you all the happiness in the world. I am sending you a small gift. It is with your mom. She will give it to you in front of the family members. I miss you a lot. Looking forward to meeting you soon.

Yours Truly,


Sample Birthday Letter/Email


Apartment Name

Street Address



Subject- Sample birthday letter

Dear Ashley,

Many many happy returns of the day. I wish you a very happy birthday and sending you a special gift as well. I know how much hard work you put in for this special day. You must have arranged a huge birthday party. I am sure you have invited all the college friends and family members. I’m glad that you are having a good time. I wish I was there to celebrate with you. I miss you a lot.

Yours Truly,



Types of Birthday Letters

Given below are some types of birthday letters:

Birthday Letter to a Friend

A birthday letter to a friend as the name specifies is addressed to a friend. It can include the following information:

  • This letter can be informal in tone.
  • You can share a short and sweet message.
  • You can also add a memorable story in the letter.

Birthday Letter to sister/brother

This letter as the name specifies is addressed to your brother or sister. It can include the following:

  • The tone of the letter would be informal.
  • You can add a personal touch by adding childhood memories.
  • You can add many sweet wishes and messages in the letter.

Birthday Letter to mom/dad

This letter is addressed to mother or father. It can be short and sweet or it could be full of memories.

  • You can add memorable childhood moments in the letter.
  • You can discuss favorite food you miss the most.
  • You can mention your favorite time with mom or dad.

Birthday Letter to girlfriend/boyfriend

This letter is addressed to a boyfriend or girlfriend and can include the following:

  • You can send special wishes
  • You can share a special memory
  • You can say how much you miss the person

Birthday invitation letter

A birthday invitation letter is to invite someone to a birthday party. This birthday party could be yours or of a family member.

  • The tone of the letter is a little formal.
  • You should mention the venue and date.
  • You should mention how valuable the presence of invitee would be.