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First Birthday Outfits for Boys

First Birthday Outfits for Boys

The first birthday is a major milestone for your not-so-little baby boy. No doubt you’ll want his special day to be memorable. Whether you are planning a big party with parents and tots from your mom and baby play group or are having a small gathering with family only, first birthday outfits boys are a cute idea to help mark this occasion. He will look adorable wearing his little outfit and the birthday pictures will be fabulous.

There are some complete outfits that are really nice for a birthday. If you’d rather just buy a shirt and dress your little man in his own pants then there are some really cute onesies and t-shirts available.

The majority of 1st birthday outfits for boys are available in the 12 – 18 month size which is usually perfect for a growing one-year old. But, if your child is nearing the top growth percentile and takes a larger size then a few of these options are available in larger sizes.

Cute First Birthday Outfits for Boys

Mud Pie 1st Birthday Outfit for Boys – Puppy and Truck

What little boy doesn’t love puppies? The Mud Pie shortall outfit is simply adorable for your little boy’s first birthday. The outfit is 100% cotton and has covered buttons at the shoulders and snaps at the bottom. The front appliques feature a puppy with a party hat sitting by a little red wagon that contains the number 1 with a birthday candle. Available in 12 – 18 months sizing. Note: The outfit does run a little small, please see the height and weight measurements.

3 Piece First Birthday Outfit for Your Baby Boy

Such a smart little outfit for your birthday boy. This three-piece set includes a white short-sleeve button up shirt with collar, a pair of funky blue and green plaid faux linen madras shorts with built-in suspenders and a blue tie with a number 1 applique on the front. The tie is detachable so this outfit can be used for many more special occasions beyond the first birthday. Available in 12 – 18 month sizing.

1st Birthday Onesies and T-Shirts for Boys


Birthday Cake White and Blue Onesie for BoysBirthday Cake White and Blue Onesie for Boys

Monkey First Birthday Boys BodysuitMonkey First Birthday Boys Bodysuit

Nothing says ‘birthday’ like a slice of cake. The Luvable Friends birthday bodysuit is white with blue trim and short sleeves. There is a slice of cake with one lit candle and “Birthday Boy” in multi-colored writing. Available in 9 – 12 month, 18 month and 24 month sizes.

Another really cute birthday boy bodysuit is the Monkey Fun onesie by RuggedButts. The blue bodysuit has orange accents at the shoulders and a playful monkey applique on the front. The monkey is wearing an orange bow-tie and is sitting beside the number “1”. On the back the words ‘Birthday Boy” are written across the bum. Made from 100% cotton and available in 12 – 18 month sizing.

Mud Pie Boys Dino First Birthday Shirt

How cute is this shirt? Made from 100% cotton with 3/4 length sleeves this birthday shirt has a chenille applique dinosaur breathing fire and about to devour a cute little cupcake with a 1 on it. There are snaps at the neck for easy on and off. Available in 18 months sizing but the shirt does fit small so should be a good fit for your almost 1-year-old.

Kidtopia Boys Birthday Shirt with BalloonsCarter’s 1st Birthday T-Shirt for Boys

The Kidtopia birthday t-shirt is a whimsical option for your little man’s big day. The letters are in an assortment of fun colors and the ‘y’ has a balloon attached to it, the ‘o’ is wearing a party hat and there is a single lit candle for the letter ‘i’. The t-shirt is 100% cotton. Available in 12 – 18 month and 18 – 24 month sizing.

Simple but sweet. The birthday shirt from Carter’s is navy blue with ‘Birthday Boy’ embroidered on the front. Carter’s makes excellent quality clothing and this shirt will be no exception. Available in 9 month and 12 month sizes.

Funny Skull Birthday Shirt for Boys

Super cute t-shirt alert! This has to be one of my favorite birthday shirts for boys. The front of the shirt has a skull and crossbones with the caption ‘Warning! It’s my birthday!*’ and the back says ‘*I can do anything I want!’. Pretty much sums up the birthday boy’s big day. This navy t-shirt is 100% cotton and has a tagless neck for added comfort. Available in 2T, 3T and 4T sizing. The sizes do run a little small so you may need to order a size up for an older child. Size 2T should be a good fit for a first birthday with a little room to grow.

Happy Birthday!

Birthday Cupcakes, Public Domain Image from Pixabay

Updated: September 08, 2015

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